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Pierburg Ag

USPTO Granted Patents = 32

% Expired Patents = 3.1

Trademarks = 2

Forward Citations = 339

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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 11 patents)

6. Bernhard Radermacher (3 out of 7 patents)

7. Thomas Wienecke (2 out of 8 patents)

8. Wolfgang Zacher (2 out of 9 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)

Core Competencies:

Direct-Current Motor

Air-Mass Sensor

Throttle Valve

Exhaust Gas Recirculation

Electric Fuel Pump

Air-Intake Tube

Coolant Pump

Flame Ionization Detector

Fuel Supply System

Vibration Reduction

Valve Stroke Monitoring

Temperature Regulation

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),

Company Overview

Pierburg AG, headquartered in Neuss, Germany, specializes in the development and manufacturing of advanced automotive components and systems. The company focuses on innovative solutions for air management, exhaust gas recirculation, and fuel supply systems, catering to the evolving needs of the automotive industry. With a strong emphasis on research and technology, Pierburg is committed to enhancing vehicle efficiency and reducing emissions, contributing to sustainable mobility in the global market.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

32 Patents

#7 in Neuss

#1,524 in Germany

#20,660 in the World

Pierburg Ag

Forward Citations = 339

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 11 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Pierburg Ag. Retrieved from https://idiyas.com/company/pierburg-ag

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]

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