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For the Inventor, By the Inventor

Tucson, AZ, United States of America

General Plasma Inc.

Calculating rank
USPTO Granted Patents = 12

% Expired Patents = 33.3


Forward Citations = 57

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6 inventors (with patents filed for the assignee):

goldMedal John Eric Madocks (12 out of 25 patents)

silverMedal Phong Ngo (3 out of 3 patents)

bronzeMedal Patrick Lawrence Morse (3 out of 10 patents)

4.  Klaus Hartig (1 out of 57 patents)

5.  Mark A George (1 out of 1 patent)

6.  Steve E Smith (1 out of 1 patent)


12 patents:

1. 11092245 - Chamber valve (2021-08-17),
2. 10989343 - Push-to-connect and pull-to-disconnect quick coupling (2021-04-27),
3. 10811236 - Magnetic anode for sputter magnetron cathode (2020-10-20),
4. 10273570 - Rotary magnetron magnet bar and apparatus containing the same for high target utilization (2019-04-30),
5. 10134557 - Linear anode layer slit ion source (2018-11-20),
6. 9388490 - Rotary magnetron magnet bar and apparatus containing the same for high target utilization (2016-07-12),
7. 9136086 - Closed drift magnetic field ion source apparatus containing self-cleaning anode and a process for substrate modification therewith (2015-09-15),
8. 9103018 - Sputtering target temperature control utilizing layers having predetermined emissivity coefficients (2015-08-11),
9. 8535490 - Rotatable magnetron sputtering with axially movable target electrode tube (2013-09-17),
10. 8304744 - Closed drift ion source (2012-11-06),
11. 7993496 - Cylindrical target with oscillating magnet for magnetron sputtering (2011-08-09),
12. 7932678 - Magnetic mirror plasma source and method using same (2011-04-26),
Company Overview
General Plasma Inc. is a technology company based in Tucson, Arizona, specializing in advanced plasma technologies. The organization focuses on developing innovative solutions for various applications, including materials processing, surface modification, and environmental technologies. With a strong emphasis on research and development, General Plasma aims to enhance industrial processes through the use of plasma systems, contributing to efficiency and sustainability in multiple sectors.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

12 Patents

#56 in Tucson, AZ

#316 in Arizona

#25,578 in US

#48,209 in the World

Tucson, AZ (US)
Tucson, AZ, United States of America

General Plasma Inc.

Forward Citations = 57

6 inventors:

goldMedal John Eric Madocks (12 out of 25 patents)

silverMedal Phong Ngo (3 out of 3 patents)

bronzeMedal Patrick Lawrence Morse (3 out of 10 patents)

4.  Klaus Hartig (1 out of 57 patents)

5.  Mark A George (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: General Plasma Inc.. Retrieved from https://idiyas.com/company/general-plasma

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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