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For the Inventor, By the Inventor

Ruelzheim, Germany

Dbk David + Baader Gmbh

Calculating rank
USPTO Granted Patents = 21

% Expired Patents = 71.4


Trademarks = 2

Forward Citations = 164

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33 inventors (with patents filed for the assignee):

goldMedal Thomas Gschwind (6 out of 10 patents)

silverMedal Ian David Hopkin (3 out of 3 patents)

bronzeMedal Thomas Weber (3 out of 3 patents)

4.  William Muirhead (3 out of 3 patents)

5.  Mathias Proner (3 out of 3 patents)

6.  Hans-Peter Bauer (3 out of 3 patents)

7.  Jonathan Robert Jayne (2 out of 3 patents)

8.  Friedrich Von Der Lühe (2 out of 2 patents)

9.  Jürgen Prokop (1 out of 2 patents)

10.  Wolfgang Werling (1 out of 1 patent)

11.  Didier Lehmann (1 out of 1 patent)

12.  Rupert Jäger (1 out of 1 patent)

13.  Pawel Tomasz Turek (1 out of 1 patent)

14.  Ashley Charles Norman (1 out of 1 patent)

15.  Richard Ralph Halstead (1 out of 1 patent)


21 patents:

1. 10875078 - Corrugated fin element (2020-12-29),
2. 10670337 - Apparatus for drying rooms (2020-06-02),
3. 10509424 - Switch device (2019-12-17),
4. 10280555 - Heating device for tumble dryer and tumble dryer (2019-05-07),
5. 9777608 - Blow-by device (2017-10-03),
6. 9167629 - Electric heater (2015-10-20),
7. 9015960 - Drying of water damaged buildings (2015-04-28),
8. 8371040 - Cover for a clothes dryer and assembling method thereof (2013-02-12),
9. 8301020 - Tank withdrawal system with electric and fluidic heating device (2012-10-30),
10. 7940156 - Power resistor module (2011-05-10),
11. 7912360 - Tank system with a main tank and a melting device having a melt tank (2011-03-22),
12. 7865073 - Heating module comprising a heating surface, flow heater, and method for the production thereof (2011-01-04),
13. 7847221 - Heating flange with geometrically stable structure (2010-12-07),
14. 7537740 - Heating device and thermal reactor for the heating and gasification of urea (2009-05-26),
15. 7482557 - Lamella type radiator element having foldable projections and a notch (2009-01-27),
Company Overview
Dbk David + Baader GmbH is a specialized company based in Ruelzheim, Germany, focusing on the development and manufacturing of innovative solutions for industrial applications. The company excels in providing high-quality products in the fields of sensor technology, automation, and control systems. With a commitment to precision engineering, Dbk serves a diverse range of sectors, including automotive, manufacturing, and logistics, ensuring efficiency and reliability in their technological offerings.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

21 Patents

#1 in Ruelzheim

#2,135 in Germany

#30,018 in the World

Ruelzheim, DE
Ruelzheim, Germany

Dbk David + Baader Gmbh

Forward Citations = 164

33 inventors:

goldMedal Thomas Gschwind (6 out of 10 patents)

silverMedal Ian David Hopkin (3 out of 3 patents)

bronzeMedal Thomas Weber (3 out of 3 patents)

4.  William Muirhead (3 out of 3 patents)

5.  Mathias Proner (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Dbk David + Baader Gmbh. Retrieved from https://idiyas.com/company/dbk-david-plus-baader

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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