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For the Inventor, By the Inventor

Baden-Baden, Germany

Eaton Fluid Power Gmbh


USPTO Granted Patents = 14

% Expired Patents = 57.1


Forward Citations = 79

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18 inventors (with patents filed for the assignee):

goldMedal Andreas Richard Hilgert (6 out of 9 patents)

silverMedal Markus Angelo Ullrich (3 out of 3 patents)

bronzeMedal Ralph Peter Merkel (3 out of 3 patents)

4.  Michael Zimpfer (3 out of 3 patents)

5.  Holger Ullrich (3 out of 7 patents)

6.  Thomas Zenon Zakrzewski (2 out of 2 patents)

7.  Axel Schneider (2 out of 3 patents)

8.  Harald Twardawski (2 out of 3 patents)

9.  Michael Markus Huck (2 out of 3 patents)

10.  Bert Leisenheimer (2 out of 2 patents)

11.  Thomas Luft (2 out of 6 patents)

12.  Eric Scherer (1 out of 3 patents)

13.  Bernd Halbrock (1 out of 8 patents)

14.  Matthias Koch (1 out of 1 patent)

15.  Daniel Buchmuller (1 out of 1 patent)


14 patents:

1. 8770630 - Hose connecting method and connector arrangement (2014-07-08),
2. 8727386 - Torsion-proof hose connection (2014-05-20),
3. 8230573 - Hose connecting method and connector arrangement (2012-07-31),
4. 8157296 - High-tensile plug-in connector (2012-04-17),
5. 7905520 - Hose connecting device (2011-03-15),
6. 7661444 - Corrugated pipe hose assembly and connection method (2010-02-16),
7. 7617841 - Pressure-dependent check valve and hydraulic system equipped therewith (2009-11-17),
8. 7328920 - Flexible corrugated hose assembly and connecting process (2008-02-12),
9. 7219494 - Hydraulic system comprising pressure-controlled damping means (2007-05-22),
10. 7025387 - Locking plug-in connection device (2006-04-11),
11. 7017949 - Flexible corrugated hose fitting (2006-03-28),
12. 7017610 - Damper for hydraulic systems (2006-03-28),
13. 6883601 - Air conditioner with internal heat exchanger and heat exchanger tube therefor (2005-04-26),
14. 6637219 - Cooling device with a controlled coolant phase upstream of the compressor (2003-10-28),
Company Overview
Eaton Fluid Power GmbH, located in Baden-Baden, Germany, specializes in the development and manufacturing of hydraulic and pneumatic systems. The company focuses on delivering innovative solutions that enhance the efficiency and performance of machinery across various industries, including manufacturing, construction, and transportation. With a commitment to advancing fluid power technologies, Eaton plays a significant role in optimizing energy use and improving operational reliability in fluid systems globally.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

14 Patents

#1 in Baden-Baden

#2,908 in Germany

#42,249 in the World

Baden-Baden, DE
Baden-Baden, Germany

Eaton Fluid Power Gmbh

Forward Citations = 79

18 inventors:

goldMedal Andreas Richard Hilgert (6 out of 9 patents)

silverMedal Markus Angelo Ullrich (3 out of 3 patents)

bronzeMedal Ralph Peter Merkel (3 out of 3 patents)

4.  Michael Zimpfer (3 out of 3 patents)

5.  Holger Ullrich (3 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Eaton Fluid Power Gmbh. Retrieved from https://idiyas.com/company/eaton-fluid-power

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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