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Stuttgart, Germany

Knecht Filterwerke Gmbh

USPTO Granted Patents = 15

Trademarks = 2

Forward Citations = 229

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37 inventors (with patents filed for the assignee):

Hans Gebert (4 out of 14 patents)

Rolf Mohle (4 out of 5 patents)

Thomas Brieden (3 out of 10 patents)

4. Elke Bruss (3 out of 3 patents)

5. Markus Layer (2 out of 4 patents)

6. Matthias Bohl (2 out of 2 patents)

7. Dietwart Guntert (2 out of 2 patents)

8. Dietmar Sonntag (2 out of 3 patents)

9. Hans Waibel (1 out of 13 patents)

10. Uwe Mohr (1 out of 2 patents)

11. Jürgen Schrepfer (1 out of 2 patents)

12. Klaus Schweikert (1 out of 2 patents)

13. Lothar Mauz (1 out of 8 patents)

14. Kay Brodesser (1 out of 4 patents)

15. Claude Gebler (1 out of 2 patents)

15 patents: Sort by Forward Citations

1. 6368506 - Ring encasement with clamps for zigzag fold paper (2002-04-09),

2. 6161615 - Plate-type heat exchanger, especially oil/coolant cooler in vehicles (2000-12-18),

3. 616161 - Plate-type heat exchanger, especially oil/coolant cooler in vehicles (2000-12-19),

4. 6089213 - Lubricating oil fill line for an internal combustion engine, involving a (2000-07-18),

5. 5989413 - Fuel filter with an integrated pressure regulating valve (1999-11-23),

6. 5983870 - Adsorption filter for the fuel tank venting system of an internal (1999-11-16),

7. 5956822 - Snap-lock connection for two parts which can rotate in relation to each (1999-09-28),

8. 5814215 - Oil filter including an integral filter support and housing drain valve (1998-09-29),

9. 5698097 - Oil filter including replaceable primary and secondary flow filter (1997-12-16),

10. 5589060 - Filter for liquids, in particular internal-combustion engine lubricant (1996-12-31),

11. 5460147 - Cyclone separator for an internal combustion engine (1995-10-24),

12. 5080790 - Strip-shaped filter material with crimps molded in and filter elements (1992-01-14),

13. 4466817 - Exhaust gas separator (1984-08-21),

14. 4422790 - Connecting means for filter cartridges (1983-12-27),

15. 4287917 - Diaphragm device for damping vibrations in flowing liquids (1981-09-08),

Knecht Filterwerke GmbH is a leading manufacturer of high-quality filtration systems for various industries. With over 75 years of experience, they offer a wide range of filters including oil, fuel, air, and cabin filters. Their products are known for their superior quality and reliability, providing efficient filtration solutions for automotive, industrial, and marine applications.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

15 Patents

#41 in D-7000 Stuttgart

#2,764 in Germany

#38,649 in the World

Stuttgart, Germany

Knecht Filterwerke Gmbh

Forward Citations = 229

37 inventors:

Hans Gebert (4 out of 14 patents)

Rolf Mohle (4 out of 5 patents)

Thomas Brieden (3 out of 10 patents)

4. Elke Bruss (3 out of 3 patents)

5. Markus Layer (2 out of 4 patents)

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