John J. Astor

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Bradford, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for draining a fluid from a pressure vessel and method of...
- Patent number 6,375,229
- Issue date Apr 23, 2002
- Dresser Rand Company
- John J. Astor
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Forming a nonuniform groove in an annular bore wall
- Patent number 5,779,406
- Issue date Jul 14, 1998
- Dresser Industries, Inc.
- John Joseph Astor
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for fastening parts together and resulting structure
- Patent number 5,749,670
- Issue date May 12, 1998
- Dresser-Rand Company
- John J. Astor
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...