Search the Insulator Patent Reference Library:

Build your search criteria. The patent must match all the values specified.
Select patent types: Utility   Design   Reissue
Patent number:
Date:
Year between: and
Patentee starting with:
City:
State:
Assigned To starting with:
Description containing:
Category:
Class:    Subclass:
Click Search when complete:
SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (category = 'Wood') ORDER BY date ASC, patent, type

Total of 15 patents found where: Category is 'Wood';

View a patent by clicking on the patent number. You can sort by any of the columns by clicking on the column name.

T / S Patent Date Description Patentee Category Assigned To
 1872
U Specimen known 122,961 January 23, 1872 Improvement in Telegraph Insulators
Wooden insulator coated with tar with metal cap		 POND, Chester H.
 Wood  
 1880
U 228,077 May 25, 1880 Telegraphic and Telephonic Insulator
Wooden insulator with paper thimble and covering		 JOBBINS, William F.
 Wood  
 1884
U 306,718 October 21, 1884 Insulator
Wooden block with wire projections for holding wire		 CLARK, Eduard
 Wood  
U 306,719 October 21, 1884 Insulator
Wooden block with wire projections for holding wire		 CLARK, Eduard
 Wood  
 1885
U 328,929 October 27, 1885 Electric Wire Insulator and Supporter
Wooden self-tying cleat		 FAWCETT, William N.
HUNTLEY, George F.
 Wood  
 1886
U 346,475 August 3, 1886 Insulator Block for Electric Conductors
Wooden insulator mounted on wire to prevent wire touching other		 HAWKEN, Thomas
 Wood  
 1888
U 391,512 October 23, 1888 Electric Switch
Wooden switch (Brown p. 21)		 CLEVELAND, William B.
 Wood  
 1890
U 426,203 April 22, 1890 Insulator
Wood tree insulator with line wire running through the center of a rod of wood		 MUNSIE, James F.
 Wood Thomas L. Coles
U 443,174 December 23, 1890 Insulator
Wooden insulator used in a trolley wire hanger		 EMMET, William Le Roy
 Wood  
 1891
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
 1892
U 466,391 January 5, 1892 Insulator
Cylinder of wood used for trolley wire hanger		 ANDREWS, William S.
 Wood The Edison General Electric Co.
U 470,417 March 8, 1892 Insulator for Trolley Wires
Cylinder of wood used for trolley wire hanger		 ANDREWS, William S.
BALL, Henry Price
 Wood The Edison General Electric Co.
 1893
U 507,299 October 24, 1893 Trolley Wire Insulator
Cylinder of wood used for trolley wire hanger		 WILLIAMS, Mowry S.
 Wood 1/2 to Stewart Worden
 1905
U 806,769 December 12, 1905 Adjustable Support for Telegraph Line Wires
Split cylinder of wood insulator for spacing line wires with external spiral grooves for receiving spiral of wire to hold the halves together and attach to insulator on adjacent wires		 BELL, Jasper N.
 Wood  
 1931
U 1,815,598 July 21, 1931 Insulating Member for High Tension Construction
Wooden shaft with metal fittings to insulate guy wires on high voltage transmission poles		 STROUP, Charles L.
 Wood  

Total of 0.02 seconds