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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 = 'D13') ORDER BY date ASC, patent, type

Total of 65 patents found where: Class is 'D13';

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T / S Patent Date Description Patentee Category Assigned To
 1865
U Specimen known 48,906 July 25, 1865 Improvement in Insulators for Telegraph Wires
Threads formed internally for screw pin (see reissue 3,847 on 2-22-1870)
CAUVET, Louis A.
Thread  
 1877
D Specimen known 9,858 March 20, 1877 Design for Telegraph Insulator
Telegraph insulator
BROOKFIELD, James M.
Pin-type  
D 9,956 May 8, 1877 Design for Telegraph Insulators
Telegraph insulator
BROOKFIELD, James M.
Pin-type  
 1879
D Specimen known 10,981 January 14, 1879 Design for Telegraph Insulator
CD 102 ""pony"" telegraph insulator
BROOKFIELD, James M.
Pin-type  
 1884
D Specimen known 14,674 February 12, 1884 Design for an Insulator
CD 145 beehive design
OAKMAN, Samuel
Pin-type  
 1893
D Specimen known 22,684 August 8, 1893 Design for an Insulator
CD 268.5 top-groove pin type (Dec. 1974 Cross Arm p. 34)
GRAY, Lawrence B.
Pin-type  
D 22,876 November 7, 1893 Design for an Insulator
Square flat insulator with large center hole and small hole in each corner
WRIGHT, Augustus
Misc  
 1896
D 26,323 November 24, 1896 Design for an Insulator
High tension insulator
LOCKE, Fred M.
Pin-type  
 1897
D 27,756 October 19, 1897 Design for a Line Wire Insulator
Self-tying pin type
GRAHAM, Sarah A.
Pin-type  
 1898
D 28,355 March 8, 1898 Design for an Insulator
Insulator (composition?) with round end on pin
MCCARTHY, Louis
Misc  
D 28,356 March 8, 1898 Design for an Insulator
Insulator (composition?) similar to lightning rod ball
MCCARTHY, Louis
Misc  
D 28,743 May 31, 1898 Design for an Insulator Plate
Truncated triangular glass plate with three wiring knobs for arc lights
MCDONALD, William B.
Misc  
D 28,981 July 5, 1898 Design for a Cap for Insulators
Third rail insulator metal cap
WILLARD, Ben
Third Rail General Electric Co.
D 29,741 November 29, 1898 Design for a Third Rail Insulator
Third rail insulator
HEWLETT, Edward M.
Third Rail General Electric Co.
D 29,782 December 6, 1898 Design for an Insulator
Miscellaneous insulator
MORGAN, Jacque L.
Misc  
 1899
D 30,564 April 18, 1899 Design for an Insulator
Miscellaneous insulator
MORGAN, Jacque L.
Misc  
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.
D Specimen known 31,798 November 7, 1899 Design for an Insulator
CD 143 with diagonal spiral ridges
WITHYCOMBE, Frederick H.
Pin-type 11/20 to Clement Henry McLeod
D Specimen known 31,799 November 7, 1899 Design for an Insulator
CD 143 with vertical ridges
WITHYCOMBE, Frederick H.
Pin-type 11/20 to Clement Henry McLeod
D 31,861 November 21, 1899 Design for a Ring Insulator
Ring wire holder (see ID 5165)
COPELAND, Herschel P.
Misc  
 1900
D Specimen known 32,741 May 29, 1900 Design for an Insulator
Eave drain & spout
LOCKE, Fred M.
Pin-type  
 1901
D Specimen known 34,211 March 12, 1901 Design for an Insulating Support for Electric Conductors
U-966 (see 689,218)
STILLWELL, Lewis B.
Pin-type  
D 34,450 April 30, 1901 Design for an Insulator
Top skirt for U-675
LOCKE, Fred M.
Pin-type  
U Specimen known 678,042 July 9, 1901 Rack Insulator
Cleat - rack type
SARGENT, Howard R.
Cleat General Electric Co.
D 35,462 December 17, 1901 Design for an Insulator for Electric Wires
Self-tying pin type
KING, Theodore F.
Pin-type  
 1902
U Specimen known 700,463 May 20, 1902 Insulator for Electric Circuits
CD 301, CD 321 & U-938 (Strengthening ribs skirt to petticoat)
WALTHER, William J.
Insulator  
 1907
U 869,163 October 22, 1907 Insulator
Cleat for corners
DEVINE, William J.
Cleat  
 1908
U 876,939 January 21, 1908 Insulator
Cylinder, solid ribbed, to support wire
BUCK, Harold W.
Cylinder  
 1913
D 44,117 May 27, 1913 Design for a Wiring Cleat
Wiring cleat
WATERMAN, Charles H.
Cleat  
D Specimen known 44,118 May 27, 1913 Design for an Insulator
Strain
WHITE, Thomas C.
Strain  
 1914
D Specimen known 45,172 January 20, 1914 Design for an Insulator
Strain
WHITE, Thomas C.
Strain  
D Specimen known 46,014 June 30, 1914 Design for an Insulator
Strain
AUSTIN, Arthur O.
Strain  
D 46,243 August 11, 1914 Design for an Insulator
Strain
BUNDY, Clifton L.
Strain  
D Specimen known 46,451 September 22, 1914 Design for an Insulator
Strain
SCHAAKE, William
Strain Westinghouse Electric & Mfg. Co.
 1915
D 46,862 January 19, 1915 Design for an Insulator
Miscellaneous insulator
CLAPPER, Ralph A.
Misc  
U Specimen known 1,127,776 February 9, 1915 Insulator
Reversible nail-knob
KETTRON, Charles W.
Knob Illinois Electric Porcelain Co.
D 47,208 April 13, 1915 Design for an Insulator
Suspension insulator
AUSTIN, Arthur O.
Suspension  
D 48,174 November 23, 1915 Design for an Insulator Body for Trolley Wire Hangers
Knob with mounting hole and square opening at top
FOX, Alexander Lee
Knob  
U 1,163,114 December 7, 1915 Insulator
Cleat
STAHL, Loren
Cleat  
 1916
D 49,204 June 20, 1916 Design for an Insulator Body
Square insulator with larger square flange on top and threaded opening in top for bolt
CLINE, Jerome G.
Misc  
D Specimen known 49,365 July 11, 1916 Design for a Strain Insulator
Strain
MULLER, Henry N.
Strain  
D 49,538 August 22, 1916 Design for an Insulator
Multipart insulator style (Canadian Porcelain Co. president)
GODDARD, Walter T.
Pin-type  
 1918
D Specimen known 52,139 July 2, 1918 Design for a Strain Insulator
Strain
KENDIG, Julian H.
Strain  
 1919
D 52,991 February 11, 1919 Design for an Insulator
Miscellaneous knob
HORTON, John T.
Knob  
D Specimen known 53,522 July 8, 1919 Design for an Insulator
Strain
PIERCE, JR., Charles L.
Strain 1/2 to Hubbard & Co.
 1920
D Specimen known 56,262 September 14, 1920 Design for an Insulator
Strain
AUSTIN, Arthur O.
Strain The Ohio Brass Co.
 1921
D Specimen known 59,947 December 13, 1921 Design for an Insulator
Strain
AUSTIN, Arthur O.
Strain The Ohio Brass Co.
 1923
U 1,441,990 January 9, 1923 Insulator Connector
Connector for the U-bolt links for Hewlett suspension disk
MARVIN, Richard H.
Suspension The R. Thomas & Sons Co.
U 1,458,756 June 12, 1923 Strain Insulator
Strain insulator with improved method of connecting the metal caps
GODDARD, Walter T.
Strain Locke Insulator Corp.
 1924
U 1,491,385 April 22, 1924 Insulator
Wall or roof bushing to bring conductor into the building
FACCILOI, Giuseppe
Miscellaneous General Electric Co.
 1926
D Specimen known 69,381 February 9, 1926 Design for an Insulator
Radio strain
BRACH, Leon S.
Strain L. S. Brach Manufacturing Co.
 1930
U Specimen known 1,755,971 April 22, 1930 Insulator
Neon, knob to support wires for neon sign (""spook"" insulator)
SMALLEY, Robert C.
Neon Claud Neon Lights, Inc.
 1933
U 1,934,308 November 7, 1933 Insulator Support
Bracket mounted horizontally to hold a spool insulator
HOIT, Julian D.
Bracket National Electric Products Corp.
 1938
D Specimen known 108,489 February 15, 1938 Design for an Electric Insulator
Standard Porcelain No. 57
DALTON, Rolland E.
Knob Porcelain Products, Inc.
 1939
D 114,352 April 18, 1939 Design for an Electric Insulator
Suspension insulator
TAYLOR, John L.
Suspension  
D Specimen known 115,530 July 4, 1939 Design for a Porcelain Insulator
Fence knob (Wisconsin Porcelain Co. president)
STOHL, Ludwig A.
Knob Wisconsin Porcelain Co.
D 115,578 July 4, 1939 Design for a Porcelain Insulator
Fence knob (Wisconsin Porcelain Co. president)
STOHL, Ludwig A.
Knob  
 1940
D 121,705 July 30, 1940 Design for an Electric Fence Insulator
Fence knob
SMITH, Ralph R.
Knob  
 1941
U Specimen known 2,228,196 January 7, 1941 Insulator
Wireholder with lag screw
BOCH, Oscar A.
Wireholder  
D Specimen known 126,721 April 22, 1941 Design for a Strain Insulator
Surge fence knob
SCHILLING, Lorell John
Knob Babson Brothers Co.
D Specimen known 126,722 April 22, 1941 Design for a Line Insulator
Surge fence knob
SCHILLING, Lorell John
Knob Babson Brothers Co.
U Specimen known 2,266,400 December 16, 1941 Insulator
CD 216
REED, Frederick F.
Insulator  
 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.
U Specimen known 2,444,938 July 13, 1948 Insulator
Radio antennae insulator with center hole for nail and side slits to hold the antennae wire
MARTIN, JR., Albert D.
Radio  
 1966
U Specimen known 3,268,655 August 23, 1966 High Voltage Cable Spacer Insulator Device
Aerial spacer to hold three high voltage conductors and keep them spaced apart.
HAIGH, William Francis
MCMAHON, Chester
MCMAHON, Eugene Joseph
Spacer Fargo Manufacturing Co.

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