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For the Inventor, By the Inventor

Heuchelheim, Germany

Berkenhoff Gmbh


USPTO Granted Patents = 32



Trademarks = 11

Forward Citations = 116

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25 inventors (with patents filed for the assignee):

goldMedal Heinrich Groos (14 out of 14 patents)

silverMedal Bernd Barthel (11 out of 11 patents)

bronzeMedal Hans Hermanni (9 out of 9 patents)

4.  Klaus Tauber (7 out of 7 patents)

5.  Bruno Rechtziegel (5 out of 5 patents)

6.  Tobias Nöthe (4 out of 4 patents)

7.  Tobias Noethe (4 out of 4 patents)

8.  Juergen Fackert (4 out of 4 patents)

9.  Erich Dommer (3 out of 3 patents)

10.  Waldemar Schroeder (3 out of 3 patents)

11.  Ingo Baumann (2 out of 2 patents)

12.  Christoph Dietrich (2 out of 2 patents)

13.  Wolfgang Brandstaetter (2 out of 2 patents)

14.  Huogen Lin (1 out of 3 patents)

15.  Zhining Liang (1 out of 3 patents)


Core Competencies:
Wire Electrode
Spark-Erosion Cutting
Electrical Discharge Machining
High-Strength Electrode
Coil Body
Brush Design
Bamboo Material
Electronic Assemblies
Alloy Manufacturing
Jewelry Frames
Wire Spool
Cutting Devices

32 patents:

1. 12636721 - Wire electrode for wirecut electrical discharge machining with carbonaceous surface layer and the preparation methods thereof (2026-05-26),
2. 12633446 - Winding post for connecting to a coil body of an electromagnetic coil (2026-05-19),
3. 12434313 - Wire electrode for spark-erosion cutting and method for producing said wire electrode (2025-10-07),
4. 12232604 - Brush having a bristle bunch fastened by means of clamps, and wire for producing such clamps (2025-02-25),
5. 12150543 - Brush comprising a carrier made of bamboo material and wire for forming staples for a brush of this type (2024-11-26),
6. 8895885 - Wire electrode for spark-erosion cutting (2014-11-25),
7. 8853587 - Wire electrode for electrical discharge cutting (2014-10-07),
8. RE44789 - Wire electrode and process for producing a wire electrode, particular for a spark erosion process (2014-03-03),
9. 6806433 - High-strength erosion electrode (2004-10-19),
10. 6794597 - Wire electrode with a structured interface surface (2004-09-21),
11. 6781081 - Wire electrode for spark erosion cutting (2004-08-24),
12. 6566622 - Wire electrode (2003-05-20),
13. 6448527 - High-strength erosion electrode (2002-09-10),
14. 6447930 - Wire electrode and process for producing a wire electrode, particular for a spark erosion process (2002-09-10),
15. 6348667 - Wire electrode for the spark-erosive cutting of hard metal (2002-02-19),
Berkenhoff GmbH, based in Heuchelheim, Germany, specializes in the development and manufacturing of high-precision components and systems for various industries. The company focuses on advanced technologies in the fields of electronics, automotive, and medical engineering, providing innovative solutions that enhance performance and reliability. With a commitment to quality and precision, Berkenhoff serves a global market, contributing to the advancement of technology through its specialized products and expertise.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

32 Patents

#2 in

#1,524 in Germany

#20,660 in the World

Heuchelheim, DE
Heuchelheim, Germany

Berkenhoff Gmbh

Forward Citations = 116

25 inventors:

goldMedal Heinrich Groos (14 out of 14 patents)

silverMedal Bernd Barthel (11 out of 11 patents)

bronzeMedal Hans Hermanni (9 out of 9 patents)

4.  Klaus Tauber (7 out of 7 patents)

5.  Bruno Rechtziegel (5 out of 5 patents)

Please report any incorrect information to [email protected]
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