% Expired Patents = 42.9

Forward Citations = 103

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4 inventors (with patents filed for the assignee):

William J Quest (7 out of 13 patents)

James E Ferris (3 out of 14 patents)

Darrell W Patton (2 out of 3 patents)

4. Kerry W Whitaker (2 out of 9 patents)

7 patents: Sort by Forward Citations

1. 7565830 - System, methods, and compositions for detecting and inhibiting leaks in engine oil systems (2009-07-28),

2. 7565829 - System, methods, and compositions for detecting and inhibiting leaks in steering systems (2009-07-28),

3. 7124598 - Pressure testing and refrigerant recharging conduit assembly for automobiles (2006-10-24),

4. 7107781 - Pressure testing and refrigerant recharging hose assembly for automobiles (2006-09-19),

5. 6796340 - Method and dispenser for pressurized containers used with automobile air conditioning systems (2004-09-28),

6. 6722141 - Apparatus and methods for placing an additive fluid into a refrigerant circuit (2004-04-20),

7. 6609385 - Refrigerant charging/pressure testing hose assembly (2003-08-26),

Company Overview

E.F. Products, Inc. is a leading manufacturer of high-quality cleaning and janitorial products. With over 20 years of experience in the industry, we are dedicated to providing our customers with innovative solutions to meet their cleaning needs. Our products range from disinfectants and sanitizers to floor cleaners and degreasers, all designed to ensure a clean and safe environment. We take pride in our commitment to excellence and customer satisfaction.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

7 Patents

#284 in Dallas, TX

#2,553 in Texas

#39,907 in US

Dallas, TX, United States of America

E.f. Products, Inc.

Forward Citations = 103

4 inventors:

William J Quest (7 out of 13 patents)

James E Ferris (3 out of 14 patents)

Darrell W Patton (2 out of 3 patents)

4. Kerry W Whitaker (2 out of 9 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: E.f. Products, Inc.. Retrieved from https://idiyas.com/company/e-f-products

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]