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Brookshire, TX, United States of America

Johnston Pump/general Valve, Inc.

USPTO Granted Patents = 14

Trademarks = 1

Forward Citations = 138

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10 inventors (with patents filed for the assignee):

Gordon M Smith (9 out of 15 patents)

Hans M Van Der Wiel (4 out of 4 patents)

Kenneth R Williams (2 out of 8 patents)

4. Kevin W Lilie (2 out of 3 patents)

5. Peter D Giacobbi (2 out of 2 patents)

6. Michael E Hoenk (1 out of 25 patents)

7. Kerry J Vahala (1 out of 69 patents)

8. Mark Randall McClaran (1 out of 6 patents)

9. Fred G Chase, Sr (1 out of 1 patent)

10. Gerard E Ducharme (1 out of 1 patent)

14 patents: Sort by Forward Citations

1. 5979488 - Bleed system (1999-11-09),

2. 5931192 - External unified integral bleed system for valves (1999-08-03),

3. 5542644 - Plug-valve having a plug assembly with retractible seals that can be (1996-08-06),

4. 5392813 - Integral bleed system for valve (1995-02-28),

5. 5385332 - Flow stabilized, retractable seal, double-block and bleed plug valve (1995-01-31),

6. 5372352 - Apparatus for sealing a fluid carrying device (1994-12-13),

7. 5011115 - Self supporting plug for a double block and bleed plug valve (1991-04-30),

8. 4929041 - Cathodoluminescence system for use in a scanning electron microscope (1990-05-29),

9. 4679764 - Automatic valve actuator and control system (1987-07-14),

10. 4666124 - Valve operator for a plug-type valve (1987-05-19),

11. 4662394 - Tight shut-off valve with flow control element (1987-05-05),

12. 4623119 - Plug valve (1986-11-18),

13. 4617964 - Tight shut-off valve with flow control (1986-10-21),

14. 4491145 - Toggle gate valve (1985-01-01),

Johnston Pump/General Valve, Inc. is a leading provider of industrial pumps and valves. With over 50 years of experience, we offer a wide range of products for various industries including chemical, oil & gas, and water treatment. Our reliable and innovative solutions have earned us a reputation for excellence in the industry. Visit our website to learn more about our products and services.

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

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USPTO Data Jan 1 1976 - Dec 2 2025

14 Patents

#2 in Brookshire, TX

#1,344 in Texas

#21,588 in US

#40,857 in the World

Brookshire, TX, United States of America

Johnston Pump/general Valve, Inc.

Forward Citations = 138

10 inventors:

Gordon M Smith (9 out of 15 patents)

Hans M Van Der Wiel (4 out of 4 patents)

Kenneth R Williams (2 out of 8 patents)

4. Kevin W Lilie (2 out of 3 patents)

5. Peter D Giacobbi (2 out of 2 patents)

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