Trademarks = 6

Forward Citations = 179

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13 inventors (with patents filed for the assignee):

Richard Charles Maxson (3 out of 16 patents)

Stephen A Uban (2 out of 9 patents)

Thomas W Evans (2 out of 3 patents)

4. Robert G Norell (2 out of 6 patents)

5. Philippe O Lavernhe (1 out of 3 patents)

6. Raphaël Reig (1 out of 2 patents)

7. David Bruxelle (1 out of 2 patents)

8. Reig Raphaël (1 out of 1 patent)

9. Thomas A Anderson (1 out of 1 patent)

10. Richard G Kalar (1 out of 1 patent)

11. Walter R Wagner (1 out of 10 patents)

12. Reinhold S Markfelt (1 out of 1 patent)

13. Raymond A Daly (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 6851560 - Drain element comprising a liner consisting of hollow rods for collecting in particular hydrocarbons (2005-02-08),

2. 6785964 - Method for making a mechanical screen cylinder (2004-09-07),

3. 5156738 - Apparatus for uniformly distributing gas and/or liquid in an underdrain (1992-10-20),

4. 5118419 - Slotted scallop-shaped underdrain screened lateral elements (1992-06-02),

5. 5015383 - Slotted screen scallops for high loading pressures and method of making (1991-05-14),

6. 5006228 - Mounting system for increasing the wear life of a vibrating screen panel (1991-04-09),

7. 4819722 - Metal well screen assembly with plastic end fitting and method of (1989-04-11),

Company Overview

Johnson Filtration Systems is a leading manufacturer of filtration products for industrial and residential applications. With over 20 years of experience, we specialize in providing high-quality filters for air, water, and oil purification. Our innovative solutions are designed to meet the highest standards of performance and reliability. Visit our website to learn more about our extensive product range and capabilities.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

7 Patents

#1 in Availles en Chatellerault

#2,221 in France

Availles en Chatellerault, France

Johnson Filtration Systems

Forward Citations = 179

13 inventors:

Richard Charles Maxson (3 out of 16 patents)

Stephen A Uban (2 out of 9 patents)

Thomas W Evans (2 out of 3 patents)

4. Robert G Norell (2 out of 6 patents)

5. Philippe O Lavernhe (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Johnson Filtration Systems. Retrieved from https://idiyas.com/company/johnson-filtration-systems

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]