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 >= '1940-00-00' AND date < '1941-00-00') ORDER BY date ASC, patent, type

Total of 27 patents found where: Year is 1940

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
 1940
U 2,191,143 February 20, 1940 Glass Handling Apparatus
Machine to pick up block halves while in plastic state		 HIATT, Earl
MACKEN, John J.
 OI Owens-Illinois Glass Co.
U Specimen known 2,191,152 February 20, 1940 Electrical Insulator
CD 240.2 with metal saddle embedded in crown for RFI (see 2,089,791)		 HAMMEL, Victor F.
 Insulator  
U 2,191,171 February 20, 1940 Insulator
Wireholder with lag screw		 LEE, Leffman H.
GUTHRIE, James M.
 Wireholder Line Material Co.
U Specimen known 2,194,189 March 19, 1940 Pole Line Insulator
CD 142, CD 142.4 - tin & iron for iridized coating to reduce water adherence		 WHEELER, Herbert H.
MCGINNIS, Orris
THORDARSON, William
 Insulator Western Union Telegraph Co.
U Specimen known 2,195,986 April 2, 1940 Transmission Line Transposition
Transposition block (flat) for short wave radio antenna made of Faradite		 GODDARD, DeWitt Rugg
 Transposition Radio Corporation of America
U 2,196,109 April 2, 1940 Hollow Glass Building Block
Blocks with wire glass		 EASTUS, Harold L.
 OI Owens-Illinois Glass Co.
U 2,198,450 April 23, 1940 Light Transmitting Structure
Skylight construction using glass blocks		 CHERTKOF, Jack O.
 OU  
U 2,198,578 April 30, 1940 Double Glazing
Double pane window glass with aluminum seal		 HAZELTON, Benjamin F.
ZIMMERMAN, Willard P.
HOLMES, Minot K.
 OI Owens-Illinois Glass Co.
U 2,198,734 April 30, 1940 Insulator
Suspension disk with crown more tempered than skirt for strength		 LITTLETON, Jesse T.
 Suspension Corning Glass Works
U 2,198,839 April 30, 1940 Conductor Support
Little bracket with insulator crown to hold low voltage wire attached to a wood pole (see 2,022,386)		 PITTMAN, Ralph R.
WALSH, Carroll H.
 Miscellaneous  
U 2,199,356 April 30, 1940 Glassware Forming Apparatus
Glass block press		 BROWN, Alvin E.
 OI Owens-Illinois Glass Co.
U 2,201,049 May 14, 1940 Glass Fabrication Process and Mold
Glass bushing making process		 MOORE, Roy W.
 Manufacturing General Electric Co.
U 2,202,538 May 28, 1940 Line Conductor Reinforcement and Tie
Tie wire or line reinforcement made of a stiff drawn wire preformed helix to fit around the diameter of the line wire without bending		 SELQUIST, Rolf
 Tie Wire Copperweld Steel Co.
U 2,207,342 July 9, 1940 Glass Building Block Manufacture
Tool to align glass block halves		 EASTUS, Harold L.
 OI Owens-Illinois Glass Co.
U 2,209,006 July 23, 1940 Coating Apparatus
Machine to dip insulators in glaze.		 SMITH, William A.
 Manufacturing The Ohio Brass Co.
D 121,705 July 30, 1940 Design for an Electric Fence Insulator
Fence knob		 SMITH, Ralph R.
 Knob  
U 2,210,583 August 6, 1940 Mold
Glass block mold		 HENRY, Kenneth M.
 OI Owens-Illinois Glass Co.
D 122,269 September 3, 1940 Design for a Hollow Glass Building Block
Design for glass block		 KENDALL, Roy C.
 OI Owens-Illinois Glass Co.
U 2,213,425 September 3, 1940 Insulator Fastener
Knob and bracket pin		 YOUNG, Harry M.
 Knob Western Wire Products Co.
U 2,215,152 September 17, 1940 Insulator
Rubber insert		 HOSFIELD, Glenn E.
 Rubber  
U 2,215,984 September 24, 1940 Apparatus for Producing Hollow Glass Articles
Glass suction press for CD 128		 SOUBIER, Leonard D.
 Press Owens-Illinois Glass Co.
U 2,218,004 October 15, 1940 Porcelain Insulator Screw Bracket
Wireholder with lag screw		 LEMONT, Clarence J.
 Wireholder Line Material Co.
U Specimen known 2,218,497 October 15, 1940 Electrical Insulator
Rubber pin type insulator (see 2,304,483)		 SMITH, Donald H.
WHEELER, Herbert H.
 Rubber Western Union Telegraph Co.
U 2,219,727 October 29, 1940 Insulator Structure
Wireholder with multiple grooves and lag screw		 STEWART, Lory B.
 Wireholder 1/3 to Karl Thielscher
U 2,222,810 November 26, 1940 Clamp for Connecting an Insulator to a Post
Electric fence with bracket to attach an easily adjustable insulator to a T-post		 DAILY, Floyd H.
 Fence  
U 2,224,361 December 10, 1940 Insulator
Wireholder with lag screw		 SEELYE, Howard P.
 Wireholder  
U 2,224,853 December 17, 1940 Method of Manufacturing Ceramic of Vitreous Ware
Manufacturing method to improve quality of porcelain during firing		 AUSTIN, Arthur O.
 Manufacturing The Ohio Brass Co.

Total of 0.02 seconds