Welding Engineers Ltd.

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New York, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for controlling extrusion back pressure
- Patent number 4,465,451
- Issue date Aug 14, 1984
- Welding Engineers, Inc.
- Thomas E. Adderley
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Apparatus and method for controlling extrusion back pressure utiliz...
- Patent number 4,451,414
- Issue date May 29, 1984
- Welding Engineers, Inc.
- Paul H. Rossiter
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Apparatus and method for extracting fluid from an extruded material
- Patent number 4,446,094
- Issue date May 1, 1984
- Welding Engineers, Inc.
- Paul H. Rossiter
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Pressure restricting means for a liquid outlet of an extruder
- Patent number 4,110,843
- Issue date Aug 29, 1978
- Welding Engineers, Inc.
- Richard H. Skidmore
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
72166230 - KLEEN-SCREEN
- Serial number 72166230
- Registration number 780764
- Filing date Apr 5, 1963
- WELDING ENGINEERS, INC.
- 7 - Machines and machine tools