John Alan Schroeder

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Leesburg, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Power inverter with optical isolation
- Patent number 6,972,972
- Issue date Dec 6, 2005
- Airak, Inc.
- Paul G. Duncan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Fiber optic sensor system and method for measuring the pressure of...
- Patent number 6,838,660
- Issue date Jan 4, 2005
- Airak, Inc.
- Paul Grems Duncan
- G01 - MEASURING TESTING
Information Patent Grant
Sensor for optically measuring magnetic fields
- Patent number 6,756,781
- Issue date Jun 29, 2004
- Airak, Inc.
- Paul Grems Duncan
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Optical current sensor with flux concentrator and method of attachm...
- Publication number 20050237051
- Publication date Oct 27, 2005
- Airak, Inc.
- Paul Grems Duncan
- G01 - MEASURING TESTING
Information Patent Application
Power inverter with optical isolation
- Publication number 20040024937
- Publication date Feb 5, 2004
- Airak, Inc.
- Paul G. Duncan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Sensor for optically measuring magnetic fields
- Publication number 20030146748
- Publication date Aug 7, 2003
- Airak, Inc.
- Paul Grems Duncan
- G01 - MEASURING TESTING
Information Patent Application
Fiber optic sensor system and method for measuring the pressure of...
- Publication number 20030001082
- Publication date Jan 2, 2003
- Paul Grems Duncan
- G01 - MEASURING TESTING