John R. Brophy

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Valencia, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Three-grid accelerator system for an ion propulsion engine
- Patent number 5,369,953
- Issue date Dec 6, 1994
- The United States of America as represented by the administrator of the Natio...
- John R. Brophy
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Segmented ion thruster
- Patent number 5,269,131
- Issue date Dec 14, 1993
- The United States of America as represented by the administrator of the Natio...
- John R. Brophy
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
High voltage gas isolator
- Patent number 4,771,212
- Issue date Sep 13, 1988
- The United States of America as represented by the administrator of the Natio...
- John R. Brophy
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...

Patents Applicationslast 30 patents

Information Patent Application
Space-Based Data Centers
- Publication number 20250108938
- Publication date Apr 3, 2025
- California Institute of Technology
- John R. Brophy
- B64 - AIRCRAFT AVIATION COSMONAUTICS