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 LEFT JOIN name ON name.patent = patent.patent AND name.type = patent.type WHERE (residence = 'Parkersburg, WV') ORDER BY date ASC, patent, type

Total of 11 patents found where: Residence is 'Parkersburg, WV';

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
 1918
U 1,257,983 March 5, 1918 Insulator
Self-tying
DE VAUGHN, Clyde T.
Self-tying Miscellaneous  
 1922
U 1,429,369 September 19, 1922 Attaching Device
Knob
PARKER, William M.
Knob J. H. Parker & Son, Inc.
 1928
U 1,672,059 June 5, 1928 Insulator
Multipart cement joint with alternating elastic bands & coated surfaces
COOK, William S.
Multipart  
U Specimen known 1,688,411 October 23, 1928 Electrical Insulator
Crown cable & tie wire groove arced to reduce stress from wire/cable
COOK, William S.
Crown  
 1935
U 1,987,683 January 15, 1935 Insulator
RFI: coat crown with copper glaze to prevent AM radio interference
HUNT, Marsden H.
BARROW, George M.
RFI Westinghouse Electric & Mfg. Co.
U 1,997,688 April 16, 1935 Insulator
RFI: coat crown with copper glaze to prevent radio interference
HUNT, Marsden H.
BARROW, George M.
RFI Westinghouse Electric & Mfg. Co.
U 2,024,831 December 17, 1935 Insulator
Spool type wireholder and lag screw bracket
MEYER, Edwin M.
Wireholder Porcelain Products, Inc.
 1942
U 2,278,330 March 31, 1942 Multipost Line Insulator
Two post insulators joined together with elongated metal bottom cap
MEYER, Edwin M.
Insulator Porcelain Products, Inc.
U 2,286,496 June 16, 1942 Wire Holder
Wireholder with lag screw
MEYER, Edwin M.
Wireholder Porcelain Products, Inc.
 1943
U 2,323,967 July 13, 1943 Thimble Equipped Insulator
Malleable metal thimble cemented in the pinhole with a flange to cover the cement
BARNITZ, Richard W.
Thimble Porcelain Products, Inc.
 1962
U 3,054,704 September 18, 1962 Insulator Assembly Method and Apparatus
Suspension, method of sealing cement to improve strength during curing
RUOFF, George M.
Suspension A. B. Chance Co.

Total of 0.01 seconds