Lawrence F. Angelo

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Conroe, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of applying a high pressure closure
- Patent number 7,472,721
- Issue date Jan 6, 2009
- Robbins & Myers Energy Systems, L.P.
- Billy W. White
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
High pressure closure
- Patent number 7,243,685
- Issue date Jul 17, 2007
- Robbins & Myers Energy Systems, L.P.
- Billy W. White
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Stuffing box with improved packing rings and method
- Patent number 5,845,909
- Issue date Dec 8, 1998
- Flow Control Equipment, Inc.
- Lawrence F. Angelo
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Oilfield stuffing box with polished rod alignment
- Patent number 5,711,533
- Issue date Jan 27, 1998
- J. M. Huber Corporation
- Lawrence F. Angelo
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Stuffing box with improved packing rings and method
- Patent number 5,622,371
- Issue date Apr 22, 1997
- Lawrence F. Angelo
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
High pressure closure
- Publication number 20080000907
- Publication date Jan 3, 2008
- Billy W. White
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
High pressure closure
- Publication number 20050247711
- Publication date Nov 10, 2005
- Billy W. White
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...