For the Inventor, By the Inventor

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Yorba Linda, CA, United States of America

Unit Instruments, Inc.

USPTO Granted Patents = 20

Forward Citations = 557

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15 inventors (with patents filed for the assignee):

Kim Ngoc Vu (13 out of 53 patents)

Eric J Redemann (10 out of 10 patents)

Michael J Doyle (4 out of 4 patents)

4. Randall J Vavra (4 out of 4 patents)

5. Nelson Urdaneta (2 out of 3 patents)

6. David P Sheriff (2 out of 2 patents)

7. Dan B LeMay (2 out of 2 patents)

8. Chiun Wang (1 out of 22 patents)

9. John Michael Lull (1 out of 38 patents)

10. David P Sherriff (1 out of 1 patent)

11. James H Doyle, Sr (1 out of 6 patents)

12. Erik Q Tran (1 out of 1 patent)

13. Lam T Nguyen (1 out of 1 patent)

14. Robert Laragione (1 out of 1 patent)

15. Michael D Upchurch (1 out of 1 patent)

20 patents: Sort by Forward Citations

1. 6539792 - Method and apparatus for balancing resistance (2003-04-01),

2. 6474700 - Gas panel (2002-11-05),

3. 6435215 - Gas panel (2002-08-20),

4. 6425281 - Pressure insensitive gas control system (2002-07-30),

5. 6394138 - Manifold system of removable components for distribution of fluids (2002-05-28),

6. 6374859 - Manifold system for enabling a distribution of fluids (2002-04-23),

7. 6293310 - Gas panel (2001-09-25),

8. 6192938 - Gas panel (2001-02-27),

9. 6189570 - Gas panel (2001-02-20),

10. 6142539 - Gas panel (2000-11-07),

11. 6044701 - Thermal mass flow controller having orthogonal thermal mass flow sensor (2000-04-04),

12. 5992463 - Gas panel (1999-11-30),

13. 5925829 - Method and apparatus for determining a rate of flow of gas by a rate of (1999-07-20),

14. 5803507 - Apparatus for handling process fluid (1998-09-08),

15. 5730181 - Mass flow controller with vertical purifier (1998-03-24),

Unit Instruments, Inc. specializes in designing and manufacturing high-quality fluid flow measurement and control products. With over 30 years of experience, Unit Instruments is a trusted provider of precision gas flow controllers, mass flow meters, and pressure controllers for a wide range of industries including semiconductors, aerospace, and research laboratories.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

20 Patents

#4 in Yorba Linda, CA

#3,800 in California

#15,848 in US

#30,300 in the World

Yorba Linda, CA, United States of America

Unit Instruments, Inc.

Forward Citations = 557

15 inventors:

Kim Ngoc Vu (13 out of 53 patents)

Eric J Redemann (10 out of 10 patents)

Michael J Doyle (4 out of 4 patents)

4. Randall J Vavra (4 out of 4 patents)

5. Nelson Urdaneta (2 out of 3 patents)

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