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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 = '191') ORDER BY date ASC, patent, type

Total of 73 patents found where: Class is '191';

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T / S Patent Date Description Patentee Category Assigned To
 1884
U 295,073 March 11, 1884 Telegraph Wire Supporter
Split insulator that fits around conductor and connected to adjacent split insulator with tie-wire
STONE, Ross C.
Miscellaneous  
 1885
U 320,631 June 23, 1885 Insulator for Tracks
Third rail insulator with rubber under the rail and below the insulator. The rail is bolted to the insulator.
DAFT, Leo
Third Rail  
U 320,632 June 23, 1885 Electric Conductor
Third rail insulator with rubber under the rail and below the insulator. The rail is bolted to the insulator.
DAFT, Leo
Third Rail  
U 320,633 June 23, 1885 Electric Conductor
Third rail insulator flared down away from the pin.
DAFT, Leo
Third Rail  
 1886
U 348,792 September 7, 1886 Electric Tramway System
Wooden insulators for third rail and other various designs for electric tramway
SMITH, Michael Holroyd
Wood/third Rail  
 1889
U 402,836 May 7, 1889 Insulator and Holder for Electric Railways
Third rail insulator clamps the rail upsidedown.
JENNINGS, Byron
Third Rail  
 1890
U 433,409 July 29, 1890 Electric Railway
Electric railway with third rail insulated with glass insulators.
KEITHLEY, Herbert R.
Third Rail  
 1891
U 448,703 March 24, 1891 Support for Electric Line Wires
Hanger insulator for trolley conductor
WIRT, Herbert C.
Hanger  
U 452,523 May 19, 1891 Electric Insulator
Cone of wood with metal shield for trolley wire hanger
JENNINGS, Byron
Wood 1/2 to James Brusie
U 455,107 June 30, 1891 Insulator
Third rail insulator with cup to hold hygroscopic chemical and means to heat insulator to drive off moisture
MUNSIE, James F.
Third Rail  
U 463,824 November 24, 1891 Trolley Wire Hanger
Trolley wire hanger with insulator with threads on inside and outside to screw into bell
BIRDSALL, Edward T.
SERRELL, Lemuel William
Hanger  
 1893
U 503,039 August 8, 1893 Conductor Support and Insulator
miscellaneous wire support for underground trolley wire & insulator with hole in crown
ESSICK, William B.
Miscellaneous  
 1896
U 556,971 March 24, 1896 Insulated Support for Contact Rails
Third rail insulator with top and side brackets (see reissue 11,613 on 6-22-1897)
HANSON, Augustus
CHAPMAN, James R.
Third Rail  
U 563,482 July 7, 1896 Insulating Support for Rails or Electric Railways
Third rail pin type insulator
HALEY, Patrick
Third Rail  
U 570,034 October 27, 1896 Insulator
Third rail insulator
MARTIN, Charles B.
HEWLETT, Edward M.
Third Rail General Electric Co.
U 574,101 December 29, 1896 Insulator
Third rail insulator
MARTIN, Charles B.
Third Rail General Electric Co.
 1897
U 579,725 March 30, 1897 Insulator and Holder for Electric Railways
Trolley hanger insulator suspended from a cable. It is composed of an inverted insulator cup and a metal cover.
KEITHLY, Willie C.
Trolley Hanger  
U 584,476 June 15, 1897 Insulator
Third rail insulator with a metal base to prevent movement of the insulator and rail.
LIBBY, Sam H.
Third Rail General Electric Co.
U 584,477 June 15, 1897 Insulator
Pair of third rail insulators set on both sides of the rail fitting in the contour of the sides of the rail.
LIBBY, Sam H.
Third Rail General Electric Co.
R 11,613 June 22, 1897 Insulator Support for Contact Rails
Third rail insulator with top and side brackets (reissue of 556,971)
HANSON, Augustus
CHAPMAN, James R.
Third Rail General Electric Co.
U 595,089 December 7, 1897 Third Rail Insulator
Third rail insulator with metal protective covering.
ANDERSON, Albert
Third Rail 1/2 to Johan M. Anderson
 1898
U 606,830 July 5, 1898 Insulator
Third rail insulator mounted on a wooden block with metal cap on top to support the rail
WILLARD, Ben
Third Rail General Electric Co.
 1899
U 619,974 February 21, 1899 Rail Insulator
Third rail insulator with metal cap that secures the rail to the insulator.
MARTIN, Charles B.
Third Rail  
U Specimen known 628,667 July 11, 1899 Insulated Rail Support
Third rail type (see stoneware specimen in 1989 CJ)
KING, Charles K.
MEAD, George A.
Third Rail  
 1900
U 644,646 March 6, 1900 Insulator for Use on Electric Railways
Third rail insulator
THOMAS, James
THOMAS, William R.
Third Rail  
U 648,057 April 24, 1900 Third Rail Insulator
Third rail insulator designed to allow insulator to rise and fall with movement of the rail.
RICE, JR, Edwin W.
Third Rail General Electric Co.
U Specimen known 664,470 December 25, 1900 Construction for Third Rail Electric Railways
Third rail insulator, support, and fastening device. Insulator was made by the Reconstructed Granite Co. as shown in their advertisement in EWE dated April 15, 1905.
COURTENAY, William
Third Rail  
 1901
U 675,615 June 4, 1901 Insulator
Third rail insulator with iron mounting bracket and cap to support the rail
ANDERSEN, Johan M.
ANDERSEN, Albert
Third Rail  
 1902
U 693,603 February 18, 1902 Third Rail Insulator for Electric Railways
Square third rail insulator with metal foot and metal cap that fit in a square hole in top and bottom of the insulator.
HOBBS, Charles M.
Third Rail 1/2 to Harold P. Brown
U 717,389 December 30, 1902 Third Rail Insulator
Third rail insulator mounted on pedestal with metal cap to secure the rail.
GONZENBACH, Ernest
Third Rail  
 1903
U 723,062 March 17, 1903 Third Rail Insulator
Third rail insulator with ears that move in to secure the rail.
STEWART, JR., Samuel B.
Third Rail General Electric Co.
 1904
U 761,553 May 31, 1904 Third Rail Support
Third rail insulator made of Electrose
STEINBERGER, Louis
Third Rail  
U 762,297 June 14, 1904 Third Rail Insulator
Third rail insulator with enameled top and bottom plate
FRITZE, Henry L.
Third Rail  
U 763,434 June 28, 1904 Insulating Support for Electric Third Rails
Third rail insulator with metal bracket that fits in grooves on the upper sides of the insulator.
SLATER, Frederick R.
Third Rail 1/2 to Robert W. Lyle
U 764,384 July 5, 1904 Insulating Support for Electric Third Rails
Third rail insulator that screws into metal support ahd has a threaded hole in top to receive the metal rail support.
SLATER, Frederick R.
Third Rail Bleecker S. Barnard
U 770,960 September 27, 1904 Third Rail Insulator
Third rail insulator with metal cap to hold the rail and a metal clip to secure the insulator to the metal support.
DUNBAR, Robert V.
Third Rail  
U 771,334 October 4, 1904 Third Rail Insulator
U-shaped third rail insulator metal caps fitting over each part to support rails.
STEWART, JR., Samuel B.
Third Rail General Electric Co.
U 775,592 November 22, 1904 Insulating Support for Electric Third Rails
Third rail with two bolts to secure it to the support and a metal cap to secure the rail.
BARARD, Walter Hubbard
Third Rail  
 1905
U 779,402 January 10, 1905 Glass Base for Furniture
Glass insulator for furniture legs
ABRAMS, Mary I.
Piano  
U 780,316 January 17, 1905 Third Rail Insulator
Cylindrical third rail insulator with inner core of cement to secure the metal cap and metal support to the insulator.
WINSOR, Paul
Third Rail  
U 781,661 February 7, 1905 Stringer Support for Electric Third Rails
Method of mounting stringers for third rails made of a beam of wood on standard telegraph and telephone glass insulators
KINSMAN, Frank E.
Third Rail  
U 786,472 April 4, 1905 Insulator for the Conductors of Electric Railways
Third rail insulator (England; Ohio Brass) (Brown p. 75)
WARD, Frank D.
FURNISS, Harry C.
Third Rail 1/3 to Henry Bradford
U 790,957 May 30, 1905 Insulating Support for Third Rails
Support for third rail with insulating material between the support and the rail.
FARNHAM, Wilson
Third Rail  
U 796,501 August 8, 1905 Conductor Rail Holder for Electric Railways
Third rail insulator and metal clips and rail holder
COURTENAY, George L.
Third Rail  
U 802,498 October 24, 1905 Retaining Clip for Third Rail Insulators
Retaining clip for third rail insulators to secure the rail.
COURTENAY, William
Third Rail  
U 808,222 December 26, 1905 Third Rail Insulator
Third rail insulator that fits in metal support and cemented metal cap to secure the rail.
STEWART, JR., Samuel B.
Third Rail General Electric Co.
 1906
U 829,416 August 28, 1906 Third Rail Insulator
Third rail insulator with 2-part metal cap to secure the rail.
MCGILL, John J.
Third Rail 1/2 to Frank J. Guernsey
U 830,572 September 11, 1906 Clamp for Electrical Conductors
Clamp to connect the ends of conductors (also Canadian patent 104766, April 16, 1907)
CUTTER, Scott C.
Clamp  
 1907
U 843,739 February 12, 1907 Electric Insulator
Insulator used on trolley arms to support carrier wire that fits inside a metal case in the support crossarm
FEIGERT, Frederick A.
Insulator  
 1908
U 877,804 January 28, 1908 Insulator for Heavy Conductors
Third rail insulator made of Electrose.
STEINBERGER, Louis
Third Rail  
U Specimen known 880,203 February 25, 1908 Insulator
Suspension insulator with petticoat
DUNCAN, John D. E.
Suspension  
U 888,318 May 19, 1908 Third Rail Insulator
Third rail insulator with metal cap to secure the rail.
DELLOYE, Lucien Henri
Third Rail Societe Anonyme des Manufactures Des Glaces et Produits Chimiques de Saint-Gobain
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 908,136 December 29, 1908 Third Rail Insulator
Third rail insulator (Ohio Brass)
RANDOLPH, Leonard M.
Third Rail Essex Co.
U 908,180 December 29, 1908 Third Rail
Third rail insulator system (Ohio Brass)
WILGUS, William J.
SPRAGUE, Frank J.
Third Rail  
 1909
U 917,501 April 6, 1909 Third Rail Insulator
Electrose third rail insulator.
STEINBERGER, Louis
Third Rail  
U 922,951 May 25, 1909 Third Rail Insulator
Conical shaped third rail insulator.
RANDOLPH, Leonard M.
Third Rail Essex Co.
U 928,709 July 20, 1909 Insulator for Third Rails
Third rail insulator made of Electrose
STEINBERGER, Louis
Third Rail  
U 932,523 August 31, 1909 Insulator for Third Rails
Third rail insulator.
WEAVER, Eugene M.
Third Rail  
 1910
U 945,972 January 11, 1910 Catenary Suspension for Trolley Wires and the Like
Catenary arrangement using deadend spools
MEAD, George A.
Catenary  
U 963,830 July 12, 1910 Lightning Rod Construction
Lightning rod Y-shaped tubular support for points
THOMPSON, Thomas
Lightning Rod  
U 964,297 July 12, 1910 Lightning Rod Upright
Lightning attached to conductor with bracket formed out of sheet metal and bolted to rod
MOORE, George J.
Lightning Rod  
 1911
U 1,006,041 October 17, 1911 Insulator
Suspension using multiple parts connected with a cable
ALSBERG, Julius
Suspension  
U 1,010,011 November 28, 1911 Sectional Insulator
Multipart insulator to support high tension conductors in substation
AUSTIN, Arthur O.
Multipart The Ohio Brass Co.
 1912
U 1,019,451 March 5, 1912 Sectional Insulator
The GE breakaway insulator, M-2202 or M-2505, is shown in the catenary design
GILLETTE, John C.
Sectional Insulator General Electric Co.
U 1,034,888 August 6, 1912 Section-Insulator for Overhead Structures
Catenary arrangement using deadend spools
DENNEEN, Francis S.
MEAD, George A.
Catenary The Ohio Brass Co.
 1914
U Specimen known 1,090,234 March 17, 1914 Insulating and Supporting Mechanism
Ohio Brass third rail support insulator designed to be use on narrower ties
ROGERS, Joseph W.
Third Rail 1/2 to Nathan Shute
U 1,111,570 September 22, 1914 Insulator
Third rail insulator with bolt holes on top and bottom side and flange projecting out in the center of the side designed to carry the rail on top
FRIEDLAENDER, Eugene
Third Rail  
 1915
U 1,139,142 May 11, 1915 Locking Clip
Locking clip for an Electrose hanger insulator
STEINBERGER, Louis
Hanger  
 1916
U 1,193,521 August 8, 1916 Wire Hanger
Wire hanger for catenary suspension of trolley wires
CUNNINGHAM, Edward Robert
Wire Hanger  
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.
 1934
U Specimen known 1,984,245 December 11, 1934 Insulator Support for Power Rails
Third rail insulator with interlocking pin and pinhole and side grooves to secure the rail on top
BANKS, William C.
Third Rail  
 1952
U Specimen known 2,609,418 September 2, 1952 Adjustably Mounted Insulator Assembly
Electric fence insulator with hexagon head used with metal mounting bracket (see patent 2,756,958)
BINNS, Jack N.
DUGLE, Thomas E.
ALT, Alvin F.
Electric Fence  

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