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% Expired Patents = 33.3

EPO Patents = 6

Forward Citations = 57

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6 inventors (with patents filed for the assignee):

John Eric Madocks (12 out of 25 patents)

Phong Ngo (3 out of 3 patents)

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: Sort by Forward Citations

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),

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 based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

12 Patents

#56 in Tucson, AZ

#316 in Arizona

#25,526 in US

#48,090 in the World

Tucson, AZ, United States of America

General Plasma Inc.