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Trademarks = 3

Forward Citations = 75

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10 inventors (with patents filed for the assignee):

Michael W Cato (2 out of 3 patents)

Edward Kulha (2 out of 2 patents)

Blake R Wharton (2 out of 4 patents)

4. Cathy L Cowan (2 out of 2 patents)

5. Jagadisan Krishnamurthy (2 out of 2 patents)

6. William H Chapman, Jr (1 out of 1 patent)

7. Scott B Bassett (1 out of 1 patent)

8. Stephen Y Lau (1 out of 1 patent)

9. Lau Y Hong (1 out of 1 patent)

10. Martin F Jeffries, Jr (1 out of 1 patent)

9 patents: Sort by Forward Citations

1. 5902551 - Process gas docking station with point-of-use filter for receiving (1999-05-11),

2. 5558688 - Block filter-purifier (1996-09-24),

3. D345113 - Remote interface console for monitoring gas delivery systems (1994-03-15),

4. D345112 - Portable interface console for monitoring of gas delivery systems (1994-03-15),

5. 5152313 - Safety apparatus for disconnects and/or valves (1992-10-06),

6. 5139747 - Gas filter-purifier (1992-08-18),

7. 4971110 - Face seal shut-off valve (1990-11-20),

8. 4899585 - Liquid level detector and method for a vapor deposition container (1990-02-13),

9. 4782226 - Optoelectronic chemical reaction detector (1988-11-01),

Semi-gas Systems, Inc. is a leading supplier of gas delivery systems for a variety of industries including semiconductor, pharmaceutical, and research. With over 30 years of experience, we specialize in providing high-quality gas handling equipment and services to meet our customers' needs. Our products range from gas cabinets and panels to gas detectors and regulators, all designed to offer safe and reliable gas delivery solutions.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

9 Patents

#520 in San Jose, CA

#7,483 in California

#31,581 in US

San Jose, CA, United States of America

Semi-gas Systems, Inc.