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For the Inventor, By the Inventor

Rietheim-Weilheim, Germany

Marquardt Gmbh


USPTO Granted Patents = 122

% Expired Patents = 9.8


Trademarks = 5

Forward Citations = 1,115

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201 inventors (with patents filed for the assignee):

goldMedal Alois Schaeffeler (10 out of 10 patents)

silverMedal Karl Mueller (7 out of 8 patents)

bronzeMedal Alfons Steidle (7 out of 8 patents)

4.  Peter Broghammer (7 out of 7 patents)

5.  Ekkehard Sachs (7 out of 7 patents)

6.  August Geiger (6 out of 6 patents)

7.  Heinrich Müller (6 out of 9 patents)

8.  Klaus Fiederer (5 out of 6 patents)

9.  Heinrich Mueller (5 out of 5 patents)

10.  Ralf Sauer (5 out of 5 patents)

11.  Stephen McMahon (4 out of 8 patents)

12.  Rainer Kizele (4 out of 5 patents)

13.  Dietmar Weisser (4 out of 7 patents)

14.  Gerhard Niklewski (4 out of 4 patents)

15.  Axel Rastemborski (4 out of 4 patents)


Core Competencies:
Control Unit
Locking System
Electric Switch
Communication Systems
Adjusting Device
Actuator
Motor Vehicle
Dispensing Control
Position Sensor
Steering Wheel
Ignition Lock
Energy Supply Circuit

122 patents:

1. 12725474 - Wireless key for unlocking a vehicle and/or for enabling a function of the vehicle (2026-09-01),
2. 12348172 - Control unit for controlling a motor (2025-07-01),
3. 12297667 - Electronic vehicle latch with separately attached control unit (2025-05-13),
4. 12286033 - Seat monitoring system and method for position determination (2025-04-29),
5. 12254150 - Operator control and/or display device (2025-03-18),
6. 12139102 - Apparatus and method for determining access intention recognition for use in a vehicle with a handleless door (2024-11-12),
7. 12123795 - Crank transmission with a crankshaft for connection to at least one foot-operated or hand-operated crank (2024-10-22),
8. 12008165 - Operating element, having an operating surface and a vibration actuator for producing a locally defined vibration at the operating surface (2024-06-11),
9. 11859417 - Locking device for car doors (2024-01-02),
10. 11846125 - Locking device for car doors (2023-12-19),
11. 11804738 - Equipment systems including communication systems, communication systems, components of communication systems, and methods of operating such systems and components (2023-10-31),
12. 11479208 - Locking system, in particular for a motor vehicle (2022-10-25),
13. 11397108 - Multi-function controller and method of using same (2022-07-26),
14. 11368056 - Equipment systems including communication systems, communication systems, components of communication systems, and methods of operating such systems and components (2022-06-21),
15. 10999700 - Communication elements, communication systems, time-of-use tracking elements, methods of communicating, and methods of controlling communication of information regarding assets (2021-05-04),
Company Overview
Marquardt GmbH is a prominent player in the motor vehicle technology sector, headquartered in Rietheim-Weilheim, Germany. The company specializes in the development and manufacturing of advanced control units, locking systems, electric switches, and communication systems, catering to the evolving needs of the automotive industry. With a focus on innovation, Marquardt also excels in creating adjusting devices and actuators, enhancing vehicle functionality and user experience. Their commitment to quality and technological advancement positions them as a key contributor to modern automotive solutions.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Marquardt Gmbh USPTO Patent Assignee Logo
122 Patents

#1 in Rietheim-Weilheim

#491 in Germany

#6,571 in the World

Rietheim-Weilheim, DE
Rietheim-Weilheim, Germany

Marquardt Gmbh

Forward Citations = 1,115

201 inventors:

goldMedal Alois Schaeffeler (10 out of 10 patents)

silverMedal Karl Mueller (7 out of 8 patents)

bronzeMedal Alfons Steidle (7 out of 8 patents)

4.  Peter Broghammer (7 out of 7 patents)

5.  Ekkehard Sachs (7 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Marquardt Gmbh. Retrieved from https://idiyas.com/company/marquardt

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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