Paul A. Yohner

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for a disc-stem connection
- Patent number 5,125,624
- Issue date Jun 30, 1992
- Keystone International Holdings Corp.
- Paul A. Yohner
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Apparatus for inserting valve seats in valve bodies
- Patent number 4,953,276
- Issue date Sep 4, 1990
- Keystone International Holdings Corp.
- Daniel P. Kusmer
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Valve assembly
- Patent number 4,828,221
- Issue date May 9, 1989
- Keystone International, Inc.
- William B. Scobie
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Butterfly valve construction having a composite seat
- Patent number 4,685,611
- Issue date Aug 11, 1987
- Keystone International, Inc.
- William B. Scobie
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Rotatable shaft assembly
- Patent number 4,541,612
- Issue date Sep 17, 1985
- Keystone International, Inc.
- Paul A. Yohner
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...