For the Inventor, By the Inventor

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San Leandro, CA, United States of America

Physics International Company

USPTO Granted Patents = 17

Forward Citations = 369

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21 inventors (with patents filed for the assignee):

Cormac G O'Neill (6 out of 12 patents)

Charles S Godfrey (4 out of 4 patents)

Parker C Smiley (3 out of 4 patents)

4. Robert William Blomenkamp (2 out of 2 patents)

5. E T Moore, Jr (2 out of 2 patents)

6. Ian D Smith (2 out of 2 patents)

7. Charles H Stallings (1 out of 2 patents)

8. Douglas M Mumma (1 out of 1 patent)

9. John D Watson (1 out of 30 patents)

10. John M Creedon (1 out of 1 patent)

11. Sidney D Putnam (1 out of 2 patents)

12. Charles E Foster (1 out of 1 patent)

13. Laszlo J Demeter (1 out of 1 patent)

14. Kurt E Nielsen (1 out of 1 patent)

15. Heikki I Helava (1 out of 1 patent)

17 patents: Sort by Forward Citations

1. 4663567 - Generation of stable linear plasmas (1987-05-05),

2. 4494043 - Imploding plasma device (1985-01-15),

3. 4397285 - Closed loop diesel engine control (1983-08-09),

4. 4359660 - Series diode X-ray source (1982-11-16),

5. 4318023 - Sagittally amplified piezoelectric actuator (1982-03-02),

6. 4271989 - Micro-metering system (1981-06-09),

7. 4231287 - Spring diaphragm (1980-11-04),

8. 4219755 - Electromotive actuator (1980-08-26),

9. 4141675 - Gas-actuated fuel pump wherein the pump piston is driven by a spring (1979-02-27),

10. 4098560 - Fuel injection pumps for internal combustion engines (1978-07-04),

11. 4091870 - Method for generating horizontal fractures in a wellbore (1978-05-30),

12. 4080549 - Plasma reflex discharge device (1978-03-21),

13. 4049056 - Oil and gas well stimulation (1977-09-20),

14. 4039030 - Oil and gas well stimulation (1977-08-02),

15. 4019147 - Band pass filter for impulse operation (1977-04-19),

Physics International Company is a leading provider of innovative physics education equipment and laboratory supplies to educational institutions worldwide. With a focus on quality and customer satisfaction, we offer a wide range of products including physics kits, laboratory apparatus, and teaching aids. Our mission is to inspire students and educators to explore the fascinating world of physics through hands-on experiments and interactive learning tools.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

17 Patents

#9 in San Leandro, CA

#4,369 in California

#18,300 in US

#34,819 in the World

San Leandro, CA, United States of America

Physics International Company

Forward Citations = 369

21 inventors:

Cormac G O'Neill (6 out of 12 patents)

Charles S Godfrey (4 out of 4 patents)

Parker C Smiley (3 out of 4 patents)

4. Robert William Blomenkamp (2 out of 2 patents)

5. E T Moore, Jr (2 out of 2 patents)

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