JOHN SCHROEDER

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Orange, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Rotary fluid-sealing structure using speed-reduction stages
- Patent number 7,464,750
- Issue date Dec 16, 2008
- Bal Seal Engineering Co., Inc.
- Rodney Schapel
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Self-contained anti-blowout seal for fluids or gases
- Patent number 6,641,141
- Issue date Nov 4, 2003
- Bal Seal Engineering
- John W. Schroeder
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Rotary cartridge seals with retainer
- Patent number 6,050,572
- Issue date Apr 18, 2000
- Bal Seal Engineering Company, Inc.
- Peter J. Balsells
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
PRESSURE GRADIENT ROTARY SEALING SYSTEM WITH EXTERNAL PISTON
- Publication number 20080067754
- Publication date Mar 20, 2008
- John Schroeder
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
ROTARY FLUID-SEALING STRUCTURE USING SPEED-REDUCTION STAGES
- Publication number 20070158112
- Publication date Jul 12, 2007
- Rodney Schapel
- E21 - EARTH DRILLING MINING
Information Patent Application
PRESSURE GRADIENT ROTARY SEALING SYSTEM
- Publication number 20070080501
- Publication date Apr 12, 2007
- Bal Seal Engineering Co., Inc.
- JOHN SCHROEDER
- E21 - EARTH DRILLING MINING
Information Patent Application
Self-contained anti-blowout seal for fluids or gases
- Publication number 20020163136
- Publication date Nov 7, 2002
- John W. Schroeder
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Media isolation seal system
- Publication number 20020153664
- Publication date Oct 24, 2002
- John W. Schroeder
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...