Bruce Edmund Freeman

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Mountain House, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Vacuum pump protection against deposition byproduct buildup
- Patent number 12,087,561
- Issue date Sep 10, 2024
- Lam Research Corporation
- John Stephen Drewery
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Vacuum pump protection against deposition byproduct buildup
- Patent number 11,710,623
- Issue date Jul 25, 2023
- Lam Research Corporation
- John Stephen Drewery
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Vacuum pump protection against deposition byproduct buildup
- Patent number 11,031,215
- Issue date Jun 8, 2021
- Lam Research Corporation
- John Stephen Drewery
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
VACUUM PUMP PROTECTION AGAINST DEPOSITION BYPRODUCT BUILDUP
- Publication number 20230317437
- Publication date Oct 5, 2023
- LAM RESEARCH CORPORATION
- John Stephen Drewery
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
VACUUM PUMP PROTECTION AGAINST DEPOSITION BYPRODUCT BUILDUP
- Publication number 20210257195
- Publication date Aug 19, 2021
- LAM RESEARCH CORPORATION
- John Stephen DREWERY
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
VACUUM PUMP PROTECTION AGAINST DEPOSITION BYPRODUCT BUILDUP
- Publication number 20200105509
- Publication date Apr 2, 2020
- LAM RESEARCH CORPORATION
- John Stephen Drewery
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...