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For the Inventor, By the Inventor

Hamburg, Germany

Pfannenberg Gmbh

USPTO Granted Patents = 20

% Expired Patents = 10.0


Trademarks = 3

Forward Citations = 107

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8 inventors (with patents filed for the assignee):

goldMedal Andreas Pfannenberg (15 out of 16 patents)

silverMedal Russell Fuller (3 out of 3 patents)

bronzeMedal Peter Starp (2 out of 2 patents)

4.  William S Baron (1 out of 11 patents)

5.  Tobias Reutter (1 out of 1 patent)

6.  Wolfgang Lodweg (1 out of 1 patent)

7.  Burkhard Suthoff (1 out of 1 patent)

8.  Mauro Montini (1 out of 1 patent)

9.  Christopher Marlow (0 patent)

10.  Nils Peter Halm (0 patent)

11.  Volker Matthies (0 patent)

12.  Christian Helbig (0 patent)

13.  Peter Sorowka (0 patent)

14.  Tobias Merl (0 patent)

15.  Oliver Kunc (0 patent)


20 patents:

1. 12096602 - Cooling system in electronics cabinet comprising thermally coupled cooling circuits (2024-09-17),
2. 11913730 - Heat exchanger arrangement and method for producing a heat exchanger arrangement (2024-02-27),
3. D998000 - Chiller for battery cooling (2023-09-05),
4. 11147188 - Heat exchanger for cooling an electronic enclosure (2021-10-12),
5. 10173161 - Filter fan for insertion in an opening in a wall of a casing of waste heat producing components (2019-01-08),
6. 9889397 - Air passage device (2018-02-13),
7. 9883609 - Filter fan with a quick fixing device (2018-01-30),
8. 9677571 - Device for the passage of air (2017-06-13),
9. 9454892 - Device to monitor a sound generator, in particular an alarm sound generator, and a corresponding sound generator, and a related method (2016-09-27),
10. 9243656 - Signaling device for emitting an acoustic and/or visual signal (2016-01-26),
11. 9039500 - Air passage device (2015-05-26),
12. 9019116 - Signaling device comprising an audio signaling unit and comprising a light signaling unit (2015-04-28),
13. 8951322 - Filter fan (2015-02-10),
14. 8941508 - Signaling device for emitting an acoustic and/or visual signal (2015-01-27),
15. 8727842 - Filter fan with a quick fastening device (2014-05-20),
Company Overview
Pfannenberg GmbH, headquartered in Hamburg, Germany, specializes in thermal management and signaling technology. The company develops innovative solutions for cooling and temperature control, primarily serving industrial applications. Pfannenberg is recognized for its expertise in designing products that enhance operational efficiency and safety in various sectors, including manufacturing and automation. With a commitment to quality and sustainability, Pfannenberg continues to advance its technologies to meet the evolving needs of its global clientele.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

20 Patents

#52 in Hamburg

#2,219 in Germany

#31,295 in the World

Hamburg, DE
Hamburg, Germany

Pfannenberg Gmbh

Forward Citations = 107

8 inventors:

goldMedal Andreas Pfannenberg (15 out of 16 patents)

silverMedal Russell Fuller (3 out of 3 patents)

bronzeMedal Peter Starp (2 out of 2 patents)

4.  William S Baron (1 out of 11 patents)

5.  Tobias Reutter (1 out of 1 patent)

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

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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