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Pierburg Ag

USPTO Granted Patents = 32

Trademarks = 2

Forward Citations = 336

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57 inventors (with patents filed for the assignee):

Rainer Peters (4 out of 8 patents)

Klaus Muckelmann (4 out of 6 patents)

Gunter Van De Venne (4 out of 6 patents)

4. Michael Bonse (4 out of 6 patents)

5. Ronald Rathke (3 out of 9 patents)

6. Bernhard Radermacher (3 out of 7 patents)

7. Thomas Wienecke (2 out of 8 patents)

8. Wolfgang Zacher (2 out of 8 patents)

9. Heinrich Dismon (2 out of 13 patents)

10. Günter Liedtke (2 out of 2 patents)

11. Henning Garcke (2 out of 2 patents)

12. Christopher Garthe (2 out of 2 patents)

13. Franz Dellen (1 out of 3 patents)

14. Jens Teubel (1 out of 3 patents)

15. Thomas Schroder (1 out of 4 patents)

32 patents: Sort by Forward Citations

1. 6552466 - Wet-running direct-current motor having fluted brush contact faces (2003-04-22),

2. 6494090 - Air-mass sensor (2002-12-17),

3. 6443135 - Assembly of a valve unit, a combustion air intake and an exhaust gas recirculation unit for an internal combustion engine (2002-09-03),

4. 6390060 - Throttle valve for an internal combustion engine (2002-05-21),

5. 6386030 - Balanced bridge temperature regulator for an air-mass flow meter (2002-05-14),

6. 6374610 - Secondary air fan for an internal combustion engine (2002-04-23),

7. 6367440 - Air-intake tube system for internal combustion engines (2002-04-09),

8. 6321781 - Apparatus for monitoring the valve stroke of an electromagnetically actuated valve (2001-11-27),

9. 6296458 - Electric fuel pump (2001-10-02),

10. 6293769 - Canned pump with dry rotor compartment (2001-09-25),

11. 6282944 - Apparatus and process for the analysis of exhaust gas components (2001-09-04),

12. 6272923 - Determining fill level of engine cooling system (2001-08-14),

13. 6265866 - Measuring device for determining the position of a control element with temperature related measurement errors correction (2001-07-24),

14. 6213446 - Exhaust gas recirculation valve having means to free a stuck valve member (2001-04-10),

15. 6203286 - Electric fuel pump which is self-filling at low fuel levels in a fuel tank (2001-03-20),

Pierburg AG is a leading automotive component supplier based in Germany. The company specializes in the development and production of innovative components for automotive systems such as air management, emissions control, and solenoid valves. With over 100 years of experience, Pierburg AG has established itself as a reliable partner for automotive manufacturers worldwide, providing high-quality solutions that meet the industry's stringent standards. The company's expertise and advanced technologies contribute to improving the performance, efficiency, and sustainability of vehicles.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

32 Patents

#7 in Neuss

#1,556 in Germany

#20,092 in the World

Pierburg Ag

Forward Citations = 336

57 inventors:

Rainer Peters (4 out of 8 patents)

Klaus Muckelmann (4 out of 6 patents)

Gunter Van De Venne (4 out of 6 patents)

4. Michael Bonse (4 out of 6 patents)

5. Ronald Rathke (3 out of 9 patents)

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