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 (date >= '1947-00-00' AND date < '1948-00-00') ORDER BY date ASC, patent, type

Total of 6 patents found where: Year is 1947

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
 1947
U 2,415,462 February 11, 1947 Ceramic Molding Press
Vacuum molding of clay articles such as insulators. This may be the patent used by Locke to make their ""vacuum dry pressing"" porcelain insulators.		 CHERRY, George L.
VEALE, Charles C.
 Press Western Electric Co.
U 2,418,713 April 8, 1947 Thermally Toughened Insulator
CD 228.5: tempering the surface of glass insulators for added strength		 HOLMES, Minot K.
PLUMMER, Jesse H.
 Insulator Owens-Illinois Glass Co.
U 2,421,286 May 27, 1947 Insulator Tie for Line Conductors
Preformed hard drawn wire helix to act as line wire reinforcement and tie wire		 PYLE, Ralph D.
 Tie Wire Copperweld Steel Co.
U 2,422,537 June 17, 1947 Machine for Coating Insulators
Machine for applying RFI coating to insulators (see 2,333,557)		 FISCHER, Eugene H.
 Manufacturing Westinghouse Electric Corp.
U 2,425,270 August 5, 1947 Method and Apparatus for Forming Blanks for Post and Pedestal Insulators
Manufacturing method to produce blanks for post and pedestal insulators		 SKIPPER, Edward M.
 Manufacturing Locke Insulator Corp.
U 2,426,466 August 26, 1947 Insulator for Electrical Wire Conductors
Cleat with V-groove to hold line wire between the two halves		 MINARIK, Rudolph A.
 Cleat 1/2 to Ralph E. Meech

Total of 0.00 seconds