J. Patrick Droppleman

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Pleasant Prairie, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Post valve having an annular valve seat
- Patent number 7,140,591
- Issue date Nov 28, 2006
- Ocenco, Inc.
- J. Patrick Droppleman
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information Patent Grant
Post valve having a one piece valve body
- Patent number 6,997,348
- Issue date Feb 14, 2006
- Ocenco, Inc.
- J. Patrick Droppleman
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information Patent Grant
Hinge pin and hinge pin tool
- Patent number 4,597,137
- Issue date Jul 1, 1986
- Ocenco Incorporated
- J. Patrick Droppleman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Post valve having a one piece valve body
- Publication number 20050001192
- Publication date Jan 6, 2005
- OCENCO, INC.
- J. P. Droppleman
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information Patent Application
Post valve having an annular valve seat
- Publication number 20050001193
- Publication date Jan 6, 2005
- OCENCO, INC.
- J. Patrick Droppleman
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS