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The Youngstown Steel Door Company
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Cleveland, OH, US
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Patents Grants
last 30 patents
Information
Patent Grant
Freight car door construction
Patent number
4,751,793
Issue date
Jun 21, 1988
The Youngstown Steel Door Company
Oliver J. Jenkins
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Intermodal railway car
Patent number
4,452,147
Issue date
Jun 5, 1984
The Youngstown Steel Door Company
Karl J. Jwuc
B61 - RAILWAYS
Information
Patent Grant
Sliding gate for a railroad hopper car
Patent number
4,450,773
Issue date
May 29, 1984
The Youngstown Steel Door Co.
William E. Fritz
B61 - RAILWAYS
Information
Patent Grant
Sliding bearing and seal
Patent number
4,429,921
Issue date
Feb 7, 1984
The Youngstown Steel Door Company
William E. Fritz
B61 - RAILWAYS
Information
Patent Grant
Pneumatic hopper discharge outlet
Patent number
4,411,560
Issue date
Oct 25, 1983
The Youngstown Steel Door Company
Ronald J. McComb
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Sliding door starter and closer
Patent number
4,390,196
Issue date
Jun 28, 1983
The Youngstown Steel Door Company
Thorvald Madland
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Door lock
Patent number
4,377,304
Issue date
Mar 22, 1983
Youngstown Steel Door Company
Charles W. Mayfield
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Door repair method and repair section therefor
Patent number
4,353,187
Issue date
Oct 12, 1982
The Youngstown Steel Door Company
Oliver J. Jenkins
B61 - RAILWAYS
Information
Patent Grant
Railway car door driver
Patent number
4,344,366
Issue date
Aug 17, 1982
The Youngstown Steel Door Company
Thorvald Madland
B61 - RAILWAYS
Information
Patent Grant
Railway hopper car gate anti-friction seal
Patent number
4,344,365
Issue date
Aug 17, 1982
The Youngstown Steel Door Company
William E. Fritz
B61 - RAILWAYS
Information
Patent Grant
Hopper discharge outlet and method
Patent number
4,324,188
Issue date
Apr 13, 1982
The Youngstown Steel Door Company
William E. Fritz
B61 - RAILWAYS
Information
Patent Grant
Auxiliary crank end
Patent number
4,319,429
Issue date
Mar 16, 1982
The Youngstown Steel Door Company
Robert F. Seitz
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Power wheel for folding doors
Patent number
4,260,046
Issue date
Apr 7, 1981
The Youngstown Steel Door Company
Robert F. Seitz
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Folding rail car doors
Patent number
4,240,357
Issue date
Dec 23, 1980
The Youngstown Steel Door Company
Thomas E. Phillips
B61 - RAILWAYS
Information
Patent Grant
Depressed center car
Patent number
4,236,459
Issue date
Dec 2, 1980
The Youngstown Steel Door Company
Anthony Teoli
B61 - RAILWAYS
Information
Patent Grant
Railway car door crank actuating mechanism
Patent number
4,220,098
Issue date
Sep 2, 1980
The Youngstown Steel Door Company
Oliver J. Jenkins
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Roller drop door
Patent number
4,211,038
Issue date
Jul 8, 1980
The Youngstown Steel Door Company
Glenn L. Wright
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Power wheel for folding doors
Patent number
4,210,231
Issue date
Jul 1, 1980
The Youngstown Steel Door Company
Robert F. Seitz
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Rail house car door wear skids
Patent number
4,178,857
Issue date
Dec 18, 1979
The Youngstown Steel Door Company
Thorvald Madland
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Door assemblies for closing rail car end opening
Patent number
4,164,189
Issue date
Aug 14, 1979
The Youngstown Steel Door Company
William E. Fritz
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Door driver
Patent number
4,162,591
Issue date
Jul 31, 1979
The Youngstown Steel Door Company
Thorvald Madland
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Method and apparatus for welding workpieces
Patent number
4,121,084
Issue date
Oct 17, 1978
The Youngstown Steel Door Company
Charles W. Wear
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Elevating and shifting railway car sliding door mechanism
Patent number
4,112,540
Issue date
Sep 12, 1978
The Youngstown Steel Door Company
Glenn Lamont Wright
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Railway car door actuating apparatus
Patent number
4,064,810
Issue date
Dec 27, 1977
The Youngstown Steel Door Company
Oliver James Jenkins
B61 - RAILWAYS
Information
Patent Grant
Door assemblies for closing rail car end openings
Patent number
3,938,446
Issue date
Feb 17, 1976
The Youngstown Steel Door Co.
Robert F. Seitz
B61 - RAILWAYS
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Trademark
last 30 trademarks
Information
Trademark
73338320 - BACKPACKER
Serial number
73338320
Registration number
1215723
Filing date
Nov 23, 1981
Youngstown Steel Door Company, The
12 - Vehicles
Information
Trademark
73114023 - YOUNGSTOWN BATHTUB
Serial number
73114023
Registration number
1075474
Filing date
Jan 28, 1977
YOUNGSTOWN STEEL DOOR COMPANY, THE
12 - Vehicles
Information
Trademark
73047731 - TRI-FOLD
Serial number
73047731
Registration number
1036233
Filing date
Mar 26, 1975
YOUNGSTOWN STEEL DOOR CO., THE
19 - Building materials (non-metallic)
Information
Trademark
71238936 - Y
Serial number
71238936
Registration number
228845
Filing date
Oct 20, 1926
YOUNGSTOWN STEEL DOOR COMPANY
6 - Common metals and their alloys