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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN category ON category.patent = patent.patent AND category.type = patent.type WHERE (category.class = '174') AND (category.subclass = '205') ORDER BY specimen ASC, date, patent, type

Total of 48 patents found where: Class is '174'; Subclass is '205';

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T / S Patent Date Description Patentee Category Assigned To
 1874
U 154,258 August 18, 1874 Improvement in Telegraph Insulators
Slotted insulator to hold wire
LE BARON, Charles L.
Slotted  
 1878
U 201,544 March 19, 1878 Improvement in Insulators for Telegraph Wires
Threads of segmented internal threads to match segmented pin
MATTHEWMAN, Joseph
Thread  
 1882
U 268,075 November 28, 1882 Noise Deadening Insulator
Rubber plug or thimble inserted in pinhole
BROWN, Gouverneur M.
Rubber  
 1884
U 297,699 April 29, 1884 Pin for Electric Insulators
Pin with thimble of soft metal mounted on end of metal pin
KLEIN, John M.
Pin  
 1892
U 472,529 April 12, 1892 Insulator Support
Pin (metal) with wooden cob for glass insulators
DOREN, Dennis
Pin  
 1895
U 548,669 October 29, 1895 Insulator Pin
Pin with threaded wooden cone and steel bolt
STEPHEN, Charles Wm.
Pin  
 1896
U 566,468 August 25, 1896 Insulator Support
Pin with flange contacting inner petticoat for support
OLIVER, James B.
Pin The Oliver Iron & Steel Co.
 1902
U 701,063 May 27, 1902 Insulator Pin
Pin
LOCKE, Fred M.
Pin  
U 710,297 September 30, 1902 Insulator
Pin with split wooden cob around curved metal bracket
PEIRCE, Ralph S.
Pin  
 1907
U 855,261 May 28, 1907 Insulator Pin
Pin made of Electrose with flanges
STEINBERGER, Louis
Pin  
 1908
U 875,902 January 7, 1908 Means for Insulating the Supports of Electric Conduits
Use of multiple caps made of paper, felt, etc. over the threads of a pin in order to make the insulator fit tight on the pin and provide additional insulation
EGNER, Carl Emil
Pin  
U 878,870 February 11, 1908 Insulator Support
Pin with metal shank and bolt
CREAGHEAD, Thomas J.
Pin  
U 894,201 July 28, 1908 Insulator
Pin with a threaded wooden block making up one-half of the thimble and metal projection on the other side contacting the threads to keep the wooden half pressed against the pinhole
HALLETT, Thomas E.
Pin  
U 906,003 December 8, 1908 Insulator Pin
Pin (metal) with split threads for cushion material and wedge end in crossarm
ETTE, Charles G.
Pin Ette Investment Co.
 1909
U 910,799 January 26, 1909 Insulator Pin
Pin (metal) split & bent on each end to hold thimble on pin & pin in crossarm
EDMISTON, Samuel J.
Pin  
 1911
U 998,073 July 18, 1911 Electric Insulator
Pin, metal split, hollow threads and cushion material in the split
CHAFFIN, George W.
Pin  
U 1,000,389 August 15, 1911 Insulator Bracket
Steel bracket that fits around the crossarm
ETTE, Charles G.
Bracket Ette Investment Co.
 1915
U 1,147,065 July 20, 1915 Insulator Clamp and Bracket
Steel bracket and pin combination that fits around the crossarm
ZIEG, Joseph
Bracket  
 1916
U 1,184,963 May 30, 1916 Insulator Pin
Pin, metal with circular groove to receive threaded wooden pin
KENNEDY, Matthew G.
Pin  
 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 1,219,862 March 20, 1917 Separable Insulator Thimble Structure
Thimble designed to be removable with external & internal threads
PEIRCE, JR., Charles L.
Thimble Hubbard & Co.
 1918
U 1,286,207 December 3, 1918 Insulator Bracket
Bracket with special threaded thimble that will resist turning
BENEDICT, Paul M.
Bracket Barnes & Kobert Mfg. Co.
 1924
U 1,489,689 April 8, 1924 Insulator
Suspension with ribbed pin and cap for better adhesion of cement
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,489,809 April 8, 1924 Insulator
Suspension with ribbed sheet metal in pin and cap for better adhesion of cement
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,490,080 April 15, 1924 Insulator
Suspension with ribbed pin and cap & notched cap for better adhesion of cement
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
 1925
U 1,543,313 June 23, 1925 Insulator
Suspension metal pin and cementing technique
AUSTIN, Arthur O.
Suspension The Ohio Brass Co.
U 1,562,836 November 24, 1925 Pin for Insulators
Pin with 3 or 4 soft-metal ribs that form threads to screw into the insulator
KYLE, William D.
Pin Line Material Co.
 1926
U 1,583,462 May 4, 1926 Supporting Pin for Insulators
Pin bracket that fits around and bolts to crossarm
HENDEE, Lem E.
Pin Line Material Co.
U 1,586,642 June 1, 1926 Insulator Pin
Steel pin and bracket combination stamped out of sheet metal and bolted around the crossarm
ARNDT, John P.
Pin  
 1928
U 1,670,429 May 22, 1928 Pin for Insulators
Steel pin and bracket combination stamped out of sheet metal and bolted around the crossarm
ARNDT, John Philip
Pin  
U 1,682,590 August 28, 1928 Insulator Pin and Process of Manufacturing the Same
Method of making a pin with a threaded lead head
AUSTIN, Arthur O.
Pin The Ohio Brass Co.
 1929
U 1,712,860 May 14, 1929 Transposition Pin
Pin (metal) through crossarm for transposition
WEIMAR, Robert
Pin  
 1931
U 1,797,238 March 24, 1931 Insulator Mounting Pin
Pin with threaded lead head for screwing into an insulator
LEMONT, Clarence J.
Pin Line Material Co.
 1932
U 1,877,630 September 13, 1932 High Tension Insulator
Multipart cementing technique using a resilient layer or shaped sleeve
SCHEID, Johann Friedrich
Multipart Hermsdorf-Schomburg-Isolatoren G. M. B. H.
U 1,880,766 October 4, 1932 Support for Insulators
Steel pin with waterproof fiber threads and cone cover
BURKE, Edmund
Pin Brown Company
 1933
U 1,894,340 January 17, 1933 Insulator Pin
Pin with soft metal threads
AUSTIN, Arthur O.
Pin The Ohio Brass Co.
U 1,912,007 May 30, 1933 Insulator Pin
Steel pin and externally threaded steel cone support securely mounted to the crossarm
PLIMPTON, Bentley A.
HAWLEY, Kent A.
Pin Locke Insulator Corp.
 1937
U 2,082,220 June 1, 1937 Insulator Supporting Pin
Pin with soft metal thimble threaded only at the bottom and ridge at the top to engage the threads
SEXTON, Frederick P.
Pin  
U 2,096,613 October 19, 1937 Multithread Pin Insulator Assembly
Pin with threaded malleable thimble that screws onto the steel pin allowing each adjustment of insulator with conductor
HILL, Gregory C.
Pin Locke Insulator Corp.
 1942
U 2,297,600 September 29, 1942 Insulator Support
Steel pin for carrier circuits with threads coated with rubber
WILLIAMS, Richard H.
Pin The B. F. Goodrich Co.
 1948
U 2,443,436 June 15, 1948 Insulator
Suspension with moisture resistant cushion at bottom of cap and pin
TAYLOR, John J.
Suspension The Ohio Brass Co.
 1952
U 2,592,698 April 15, 1952 Insulator Supporting Pin and Cob
Steel pin with threaded cob made of cellulose acetate butyrate molded into threads (see reissue 23,885 on 10-5-1954)
HUBBARD, David C.
Pin A. B. Chance Co.
 1954
R 23,885 October 5, 1954 Insulator Supporting Pin and Cob
Steel pin with threaded cob made of cellulose acetate butyrate molded into threads (reissue of 2,592,698)
HUBBARD, David C.
Pin A. B. Chance Co.
 1869
U Specimen known 96,198 October 26, 1869 Improvement in Insulator for Telegraph Wires
Rubber sleeve over pin for threadless insulator
BUSH, Charles A.
Rubber 2/3 to Henry Ostrum, Clifford Bush
 1889
U Specimen known 402,752 May 7, 1889 Insulator
CD 289.9 (CD 1182), under crossarm type with triple petticoat
LOCKE, Fred M.
LAPP, John
Insulator  
 1890
U Specimen known 436,120 September 9, 1890 Insulator Bracket
Bracket of metal with split threads
CHUBBUCK, H. Eugene
Bracket  
 1893
U Specimen known 493,434 March 14, 1893 Insulator Pin
Pin base - hollow cast iron with wood threaded cob (dates metal base)
LOCKE, Fred M.
Pin 1/2 to G. Paddock & W. Page
 1909
U Specimen known 928,010 July 13, 1909 Cross Arm Fitting and Insulator Support
Steel bracket that fits and clamps around the crossarm, specimens manufactured by St. Louis Malleable Casting Co., St. Louis, MO
WAY, Sylvester B.
Bracket  

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