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Lake Bluff, IL, United States of America

Liquid Controls Corporation

USPTO Granted Patents = 13

Trademarks = 32

Forward Citations = 58

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18 inventors (with patents filed for the assignee):

James R Ruesch (3 out of 3 patents)

Bryan P Haynes (3 out of 3 patents)

William J Kolb, Iii (3 out of 3 patents)

4. Don Crowder (1 out of 2 patents)

5. Grant Davisson (1 out of 1 patent)

6. Jeremy Patten (1 out of 1 patent)

7. Vince Herr (1 out of 1 patent)

8. James S Nerstrom (1 out of 10 patents)

9. Thomas T Tschanz (1 out of 2 patents)

10. Arthur J Degner (1 out of 1 patent)

11. Wallace F Mitchell (1 out of 11 patents)

12. Howard E Siebold (1 out of 1 patent)

13. Karl O Laurel (1 out of 1 patent)

14. Howard E Rittenhouse (1 out of 1 patent)

15. Peter J Contoyanis (1 out of 1 patent)

13 patents: Sort by Forward Citations

1. 11788872 - Method and system for determination of liquid volumes (2023-10-17),

2. 10697453 - Liquid fuel delivery comprising a pump to deliver liquid fuel from a storage source to a delivery location and a controller mitigating power to operate the pump on the basis of a predetermined liquid threshold at the pump inlet (2020-06-30),

3. 8100023 - Rotary positive displacement flowmeter (2012-01-24),

4. 7765978 - Differential pressure sensor for fuel delivery systems (2010-08-03),

5. 7000628 - Electronic air separation system (2006-02-21),

6. 6535830 - Scaled quadrature pulse signal generator (2003-03-18),

7. 5808196 - Blocking rotor and housing for flow meter (1998-09-15),

8. 5513529 - Housing assembly for flow meter (1996-05-07),

9. 4258589 - Planetary adjuster (1981-03-31),

10. 4134175 - Non-rotating bushing (1979-01-16),

11. 4109525 - Maximum strength/weight fluid metering device (1978-08-29),

12. 4104511 - Safety interlock system for preset counters (1978-08-01),

13. 3973582 - Flexible band device (1976-08-10),

Liquid Controls Corporation is a leading provider of precision liquid measurement solutions for industries such as fuel distribution, aviation, and chemical processing. With over 60 years of experience, our products are known for their accuracy, reliability, and durability. We offer a wide range of meters, pumps, and accessories to help customers optimize their liquid handling operations.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

13 Patents

#4 in Lake Bluff, IL

#1,146 in Illinois

#23,099 in US

#43,615 in the World

Lake Bluff, IL, United States of America

Liquid Controls Corporation

Forward Citations = 58

18 inventors:

James R Ruesch (3 out of 3 patents)

Bryan P Haynes (3 out of 3 patents)

William J Kolb, Iii (3 out of 3 patents)

4. Don Crowder (1 out of 2 patents)

5. Grant Davisson (1 out of 1 patent)

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