Albert W. Libke

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Royalton, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Resilient seated butterfly valve with interchangeable off-center an...
- Patent number 8,161,996
- Issue date Apr 24, 2012
- DeZURIK, Inc.
- James E. Barker
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Plug valve with flow area equal to or greater than the flow area of...
- Patent number 7,770,867
- Issue date Aug 10, 2010
- DeZURIK, Inc.
- Albert W. Libke
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Butterfly valve having cartridge construction with improved bearings
- Patent number 4,225,113
- Issue date Sep 30, 1980
- General Signal Corporation
- Paul J. Barthelemy
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Butterfly valve with improved shaft connection
- Patent number 4,225,114
- Issue date Sep 30, 1980
- General Signal Corporation
- Paul J. Barthelemy
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Butterfly valve with a retaining ring
- Patent number 4,225,112
- Issue date Sep 30, 1980
- General Signal Corporation
- Albert W. Libke
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
PLUG VALVE WITH FLOW AREA EQUAL TO OR GREATER THAN THE FLOW AREA OF...
- Publication number 20100301251
- Publication date Dec 2, 2010
- DeZURIK, Inc.
- Albert W. Libke
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
RESILIENT SEATED BUTTERFLY VALVE WITH INTERCHANGEABLE OFF-CENTER AN...
- Publication number 20090014675
- Publication date Jan 15, 2009
- James E. Barker
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Plug valve with improved flow capacity
- Publication number 20060108557
- Publication date May 25, 2006
- SPX Corporation
- Albert W. Libke
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...