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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN name ON name.patent = patent.patent AND name.type = patent.type WHERE (residence = 'Pittsburg, PA') ORDER BY date ASC, patent, type

Total of 108 patents found where: Residence is 'Pittsburg, PA';

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T / S Patent Date Description Patentee Category Assigned To
 1848
U 5,889 October 31, 1848 Insulating Support for Telegraph Wires
Block (glass) with zigzag slit held by hooded bracket
LIVINGSTON, Laureston R.
ROGGEN, John J.
ADAMS, Calvin
Block  
 1849
U 6,779 October 9, 1849 Supporter for Telegraph Wires
Hook encased in metal shell (also House-top insulator?)
LIVINGSTON, L. R.
ROGGEN, J. J.
ADAMS, Calvin
KENDALL, Amos
VAIL, Alfred
Hook  
 1860
U 28,397 May 22, 1860 Improvement in Making Sheet Metal Caps & c.
Method of making screw caps
NEWTON, Orrin
HU  
 1864
U 42,143 March 29, 1864 Glass Pressing Machine
Glass press using steam piston to apply pressure
MCKEE, Frederick
BALLINGER, Charles
Press McKee and Brothers
 1867
U Specimen known 70,727 November 12, 1867 Improvement in Insulators for Lightning Rods
Lightning rod insulator (glass) with sheet metal strip under shingles
LOCKHART, Thomas J.
LOCKE, Josiah
Lightning Rod Insulator  
 1870
U 107,075 September 6, 1870 Improvement in Telegraph Insulators
Threaded screw top (external) for mounting in hole in crossarm or pole
MCKEE, Samuel
Thread  
 1871
U 111,052 January 17, 1871 Improvement in Lightning Rods
Lightning rod made of stiffened copper wire and threaded joint on the ends to attach a point
FRICKE, Joseph R.
Lightning Rod  
U 112,137 February 28, 1871 Improvement in Lightning Rods
Lightning rod made from wrapping multiple layers to build up desired diameter cable
FRICKE, Joseph R.
Lightning Rod  
 1875
U 167,608 September 14, 1875 Improvement in the Manufacture of Glassware
Lamp foot made by pushing up bottom
GILL, James C.
Lamp John Adams & Co.
D 8,663 September 28, 1875 Design for Glassware
Design for Liberty Bell (Signers Platter) design
GILL, James C.
Platter  
 1876
D 8,942 February 1, 1876 Design for Glass Dishes
Bird shaped glass pickle dish
PROEGER, Julius
HI Robert Hemingray
U 178,504 June 13, 1876 Improvement in the Manufacture of Glassware
Mold for glass wall pocket
BECK, Washington
HU  
 1879
U 215,516 May 20, 1879 Improvement in Devices for Attaching Plungers to Glass Presses
Means of attaching a plunger to a glass press using a chuck. (This is known as the ""Gill Chuck"" and may have been used in insulator production, it is not known if Gill was employed by Hemingray at the time of this patent.)
GILL, James G.
Plunger  
 1882
U 264,379 September 12, 1882 Mode of Making Glass Screw Caps
Mode of making glass screw caps for jars. Patent was used by the Cadiz Glass Co.
WALLACE, William M.
Jars 1/2 to Charles M. Rhodes
 1883
U 270,162 January 2, 1883 Mold for Forming Glass Screw Caps
Mold for making glass screw caps for jars. Patent was used by the Cadiz Glass Co.
WALLACE, William M.
Jars Charles M. Rhodes
 1884
U 301,329 July 1, 1884 Plunger for Pressing Glass
Insulator press with a plunger made of plaster of Paris
BECK, Washington
Press  
U 301,946 July 15, 1884 Jug Top
Syrup jug top
WRIGHT, Homer
HU  
 1885
U 311,115 January 20, 1885 Lightning Conductor
Lightning rod system using flexible braided wire rod and ridgid tips
FRICKE, Joseph R.
Lightning Rod  
 1887
U 373,407 November 15, 1887 Interlocking Coupling for Lightning Rods
Coupling for lightning rods the interlocks with slots and projections on each end of the rod sections
KRESS, George R.
Lightning Rod Coupling  
 1890
U 421,819 February 18, 1890 Insulator
Blocks (2) to hold wire and pole system
DAVY, John W.
Block  
 1891
U 452,796 May 26, 1891 Hollow Braided Lightning Rod
Flexible lightning rod made of hollow plaited cable
KRESS, George R.
Lightning Rod  
 1893
U 492,512 February 28, 1893 Lightning Rod Ball
Hollow glass ball with metal tube inserted that is flanged on each end to secure it in the ball
HUM, Edward K.
Lightning Rod Ornament  
 1894
U 517,634 April 3, 1894 Pin for Insulators
Pin for use with oil cup, CD 244 (see 524,659)
WINSLOW, George H.
Insulator  
U Specimen known 524,659 August 14, 1894 Insulator
Oil cup with means to support the cup from the insulator (see 517,634)
WINSLOW, George H.
Oil  
 1895
U 541,459 June 25, 1895 Combined Insulator and Fuse Holder
Glass insulator which holds a fuse protected from the weather.
SCOTT, Charles F.
DAVIS, Harry P.
Fuse Holder Westinghouse Electric & Mfg. Co.
 1896
U 556,984 March 24, 1896 Lightning Rod Ball
Method of silvering the interior of the ball and protecting the silver with a coating
HUM, Edward K.
Lightning Rod Ornament  
 1897
U 595,543 December 14, 1897 Tubular Tripod Brace for Lightning Rods
Lightning rod tripod support with tubular legs and male connection for conductor between the legs
KRESS, George R.
Lightning Rod D. W. Dearing
 1899
D Specimen known 30,637 April 25, 1899 Design for an Insulator
CD 249, CD 282, CD 283, CD 303.5 ""Provo"" insulator
CONVERSE, Vernon G.
Pin-type Hemingray Glass Co.
 1901
U Specimen known 682,831 September 17, 1901 Adjustable Insulator
Knobs with various fluted sides grouped to hold wire
MURDOCK, Henry D.
Knob  
 1902
U Specimen known 701,847 June 10, 1902 Insulator
CD 317.8, CD 313 & CD 313.1 stacking glass sections
CONVERSE, Vernon G.
Insulator Hemingray ????
U Specimen known 701,848 June 10, 1902 Insulator
Stacking glass sections with sections fused or cemented together
CONVERSE, Vernon G.
Stack Hemingray ????
 1903
U Specimen known 735,212 August 4, 1903 Insulator
CD 317.7, insulator with glass sleeve (CD 314)
CONVERSE, Vernon G.
Insulator  
U 742,601 October 27, 1903 Glass Finishing Apparatus
Press for making glassware
CROSKEY, John H.
Press  
U 742,602 October 27, 1903 Method of Finishing Glassware
Press for making glassware
CROSKEY, John H.
Press  
 1905
U 794,435 July 11, 1905 Thermal Cut-Out
Fuse holder (Westinghouse -- see photo)
VARNEY, Theodore
Fuse Holder Westinghouse Elec. & Mfg. Co.
 1906
U 817,835 April 17, 1906 Apparatus for Manufacturing Glass Articles
Press for making glassware
CROSKEY, John H.
Press Duquesne Glass Co.
U 817,836 April 17, 1906 Apparatus for Manufacturing Glass Articles
Press for making glassware
CROSKEY, John H.
Press Duquesne Glass Co.
U 820,477 May 15, 1906 Apparatus for Manufacturing Glass Articles
Press for making glassware
CROSKEY, John H.
Press Duquesne Glass Co.
U 820,478 May 15, 1906 Apparatus for Manufacturing Glass Articles
Press for making glassware
CROSKEY, John H.
Press Duquesne Glass Co.
U 820,479 May 15, 1906 Apparatus for Manufacturing Glass Articles
Press for making glassware
CROSKEY, John H.
Press Duquesne Glass Co.
 1907
U 840,994 January 8, 1907 Apparatus for Manufacturing Glass Articles
Press for making glassware
CROSKEY, John H.
Press Duquesne Glass Co.
U 852,932 May 7, 1907 Charging Mechanism for Glass Molds
Press for making glassware
CROSKEY, John H.
Press Duquesne Glass Co.
 1908
U 881,096 March 3, 1908 Glass Gathering Apparatus
Press for making glassware
CROSKEY, John H.
Press Duquesne Glass Co.
U 896,934 August 25, 1908 Insulator
Strain insulator (assigned to Westinghouse) (see article 12236)
NIKONOW, John P.
Strain  
U 897,669 September 1, 1908 Insulator
Knob - self-tying
SIEGWART, Frank J.
Knob  
U 899,859 September 29, 1908 Aerial Trolley Support
Metal pole arm to support trolley hanger insulators
BRYAN, James
ETHERIDGE, Harry
BALSINGER, Edgar McCormack
Hanger  
U 900,917 October 13, 1908 Insulator
Self-tying miscellaneous
DOBSON, Grant
Self-tying Miscellaneous 1/2 to Richard Ohloff
U 904,969 November 24, 1908 Lightning Rod
Lightning rod with Y-shaped tubular support from the point down to the conductor with slip collar attaching the Y support to the conductor
KRESS, George R.
Lightning Rod  
 1909
U 926,521 June 29, 1909 Method of Protecting Buildings from Lightning
Method of improving lightning protection by keeping the roof cool with air or water
TOTTEN, Robert C.
Lightning Rod System  
 1910
U 946,623 January 18, 1910 Insulator for Electric lines
Metal cap cemented on crown to hold wire in crown or side groove
VARNEY, Theodore
Cap Westinghouse Electric & Mfg. Co.
U Specimen known 948,321 February 8, 1910 Knob Insulator
Knob or spool to support a pair of insulation covered wires
GRACE, Sergius P.
Knob Western Electric Co.
U 974,396 November 1, 1910 Lightning Rod
Lightning conductor composed of a water-retaining fibrous cored covered by a helical winding with a braided wire covering
KRESS, Edward J.
Lightning Rod William M. Leatherman
 1911
U 996,365 June 27, 1911 Apparatus for Forming Hollow Glassware
Bottle blowing machine
RICHARD, Harvey A.
CONWAY, Thomas J.
Bottle  
U 1,006,268 October 17, 1911 Insulator Bracket
Bracket (various styles) using spring for threads (see 856,488 and 856,801)
PEIRCE, JR., Charles L.
Bracket Hubbard & Co.
U 1,007,138 October 31, 1911 Insulator Bracket
Bracket (various styles) using spring for threads (see 856,488 and 856,801)
PEIRCE, JR., Charles L.
Bracket Hubbard & Co.
 1912
U 1,013,250 January 2, 1912 Insulator Pin
Pin for mine insulator comprised of split sheet metal
WILSON, Walter J.
Pin  
U 1,048,587 December 31, 1912 Wire Holder for Insulators
Tie wire clip
REIFFER, Anthony J.
MAYS, David P.
Tie Wire  
 1914
D Specimen known 46,451 September 22, 1914 Design for an Insulator
Strain
SCHAAKE, William
Strain Westinghouse Electric & Mfg. Co.
 1915
U 1,129,520 February 23, 1915 Insulating Body for Electrical Apparatus
Multipart, theory to shape insulator to conform to electrical fields (typical spelling is FORTESCUE, Charles Le G.) (see 1,259,385)
RANDALL, Karl C.
FARNSWORTH, Sidney W.
FORTESCUE, Charles Le Geyt
Multipart Westinghouse Electric & Mfg. Co.
U 1,132,281 March 16, 1915 Reactive Coil
Odd arrangement for a choke coil around Hewlett fish-tail strain insulators.
MOODY, Walter S.
Coil General Electric Co.
U 1,143,983 June 22, 1915 Insulator Support
Pin with metal spring coil of varying diameter for threads
MILLER, Charles E.
Pin  
U 1,147,757 July 27, 1915 Insulator Supporting Structure
Bracket for 3-phase circuit using multipart insulator oriented in shape of >
SEYLER, Carl P.
Bracket  
U 1,149,282 August 10, 1915 Insulator Supporting Fixture
Bracket (various styles) made by bending pipe
PEIRCE, JR., Charles L.
Bracket  
U 1,152,211 August 31, 1915 Secondary Rack
Secondary rack built away from the pole.
PEIRCE, JR., Charles L.
Secondary Rack  
U 1,157,036 October 19, 1915 Insulator Supporting Fixture
Bracket for holding spool insulator vertically and supported with a rod
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,157,037 October 19, 1915 Insulator Supporting Structure
Bracket stamped from sheet metal and curved upward with spring for threads
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,158,149 October 26, 1915 Insulator Support
Pin, metal with spring for threads (improvement on 856,488)
PEIRCE, JR., Charles L.
Pin  
 1916
U 1,166,928 January 4, 1916 Insulator Supporting Bracket
Bracket mounted on side of pole for one insulator
PEIRCE, JR., Charles L.
Bracket  
U 1,174,607 March 7, 1916 Insulator Supporting Pin
Pin, metal threaded to receive metal bushing cemented in insulator
PEIRCE, JR., Charles L.
Pin  
U 1,175,077 March 14, 1916 Sheet Metal Pole Arm
Crossarm made of sheet metal.
PEIRCE, JR., Charles L.
Crossarm  
U 1,175,078 March 14, 1916 Insulator Supporting Fixture
Bracket, metal pipe to support three insulators at top of pole
PEIRCE, JR., Charles L.
Bracket  
D Specimen known 49,365 July 11, 1916 Design for a Strain Insulator
Strain
MULLER, Henry N.
Strain  
U 1,192,690 July 25, 1916 Insulator Supporting Structure
Pin (metal) for mounting on crossarm in combination with a threaded thimble
SCHAAKE, William
Pin Westinghouse Electric & Mfg. Co.
U 1,193,602 August 8, 1916 Insulator Supporting Fixture
Bracket, composed of sheet metal parts easily assembled
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,195,263 August 22, 1916 Insulator Support
Bracket, sheet metal stamped in U-bracket with attached threads
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,196,272 August 29, 1916 Insulator Pin
Pin, metal with sheet metal support cone and threads
PEIRCE, JR., Charles L.
Pin 1/2 to Hubbard & Co.
U 1,196,273 August 29, 1916 Cross Arm Saddle
Saddle for pin that fits on top of crossarm
PEIRCE, JR., Charles L.
Pin 1/2 to Hubbard & Co.
U 1,197,659 September 12, 1916 Insulator Support
Bracket, sheet metal stamped in U-bracket with attached threads
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,197,660 September 12, 1916 Insulator Support
Bracket, sheet metal stamped in U-bracket with attached threads
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,202,418 October 24, 1916 Insulator Support
Pin, metal with bolting bracket and threaded for cementing type thimble
PEIRCE, JR., Charles L.
Pin 1/2 to Hubbard & Co.
U 1,202,419 October 24, 1916 Insulator Supporting Pin
Pin, metal with bolting bracket and spring for threads
PEIRCE, JR., Charles L.
Pin 1/2 to Hubbard & Co.
U 1,202,885 October 31, 1916 Insulator Pin
Pin, metal with bolting bracket and spring for threads
PEIRCE, JR., Charles L.
Pin 1/2 to Hubbard & Co.
U 1,207,321 December 5, 1916 Insulator Support
Pin, metal to fit loose in sheet metal thimble
PEIRCE, JR., Charles L.
Pin 1/2 to Hubbard & Co.
 1917
U 1,210,685 January 2, 1917 Insulator Support
Bracket, sheet metal U-shaped with attached threaded wood thimble
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,210,686 January 2, 1917 Insulator Support
Bracket, sheet metal U-shaped with yielding split threaded thimble
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,210,687 January 2, 1917 Insulator Suspension Bracket
Bracket, sheet metal U-shaped for long spans attached to a cable
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,212,394 January 16, 1917 Insulator Support
Bracket, sheet metal U-shaped with spring clip to secure insulator
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,212,673 January 16, 1917 Insulator Supporting Bracket
Bracket, sheet metal U-shaped to fit over crossarm and threads made of a spring to secure insulator
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,217,315 February 27, 1917 Insulator
Knob
KENDIG, Julian H.
Knob  
U 1,217,508 February 27, 1917 Insulator
Strain and suspension with special metal links for superior strength
SCHAAKE, William
Strain/suspension Westinghouse Electric & Mfg. Co.
U 1,219,862 March 20, 1917 Separable Insulator Thimble Structure
Thimble designed to be removable with external & internal threads
PEIRCE, JR., Charles L.
Thimble Hubbard & Co.
U Specimen known 1,232,354 July 3, 1917 Insulator
nail-knob
MAIR, John E.
Knob Brunt Tile & Porcelain Co.
U 1,236,668 August 14, 1917 Insulator Clamping Device
Clamp for crown of large insulator
BROWN, James M.
Clamp Westinghouse Electric & Mfg. Co.
U 1,241,528 October 2, 1917 Insulator
Suspension with shells nested together by means of external threads
LINCOLN, Paul M.
Suspension Westinghouse Electric & Mfg. Co.
U Specimen known 1,249,820 December 11, 1917 Insulator
Composition insulator with side cable clamp
PHARO, Harry A.
SCHAAKE, William
Composition Westinghouse Electric & Mfg. Co.
 1918
U 1,259,385 March 12, 1918 Suspension Insulator
Suspension insulator (see 1,129,520)
FORTESCUE, Charles Le G.
Suspension Westinghouse Electric & Mfg. Co.
U 1,264,396 April 30, 1918 Lightning Arrester
Lightning arrester attached to M-3021
HAYS, Frederick W.
Lightning Arrester/M-3021  
D Specimen known 52,139 July 2, 1918 Design for a Strain Insulator
Strain
KENDIG, Julian H.
Strain  
 1919
U 1,296,587 March 4, 1919 Insulator
Clamp for crown of large insulator to resist strain of curves
SCHAAKE, William
Clamp Westinghouse Electric & Mfg. Co.
D Specimen known 53,522 July 8, 1919 Design for an Insulator
Strain
PIERCE, JR., Charles L.
Strain 1/2 to Hubbard & Co.
 1921
U Specimen known 1,374,998 April 19, 1921 Insulator
Multipart porcelain insulator of Faradoid design (spelling for other patents: GILCHREST, George Irving)
FORTESCUE, Charles Le G.
GILCHREST, George I.
Multipart Westinghouse Electric & Mfg. Co.
 1924
U 1,479,155 January 1, 1924 Insulator Support or Bracket
Bracket for wireholder knobs
PEIRCE, JR., Charles L.
Bracket 1/2 to Hubbard & Co.
U 1,488,474 April 1, 1924 Machine for Molding Insulators
Press and molding machine for porcelain insulators
BURNS, James A.
Press Westinghouse Electric & Mfg. Co.
 1925
U 1,538,428 May 19, 1925 Pole Line Insulator
Self-tying odd insulator screwed into cut-out in top of crossarm
EMMONS, Albert F.
Self-tying Miscellaneous  
 1927
D 72,459 April 12, 1927 Design for a Bottle
Design for Bottle (Big Boy)
TAYLOR, Arch B.
LONG, Cornelia Taylor
SOHN, Archie C.
HU Taylor-Long Co.
U 1,637,374 August 2, 1927 Insulator
Suspension, tubular with ribs and cap on both ends
FORTESCUE, Charles Le G.
Suspension Westinghouse Electric & Mfg. Co.
 1932
U 1,852,093 April 5, 1932 Article of Manufacture and Process of Making It
RFI metallic coating and process of applying it to porcelain insulators
SMEDE, Lloyd
SHAND, Errol B.
RFI Westinghouse Electric & Mfg. Co.
 1936
U 2,032,017 February 25, 1936 Sheet Metal Insulator Support Pin and Method of Making the Same
Steel sheet metal pin easily manufactured
HOCHER, Andrew A.
LASHER, Marshall
Pin Hubbard and Co.

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