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For the Inventor, By the Inventor

Kennelbach, Austria

Head Technology Gmbh


USPTO Granted Patents = 49

% Expired Patents = 24.5



Trademarks = 48

Forward Citations = 330

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29 inventors (with patents filed for the assignee):

goldMedal Ralf Schwenger (18 out of 18 patents)

silverMedal Stefan Mohr (15 out of 16 patents)

bronzeMedal Herfried J Lammer (15 out of 24 patents)

4.  Harald Rosenkranz (14 out of 14 patents)

5.  Johan Kotze (13 out of 13 patents)

6.  Daniel Lau (6 out of 6 patents)

7.  Manfred Emberger (5 out of 5 patents)

8.  Klaus Rambach (5 out of 5 patents)

9.  Jürgen Wilke (4 out of 4 patents)

10.  Jason Horodezky (3 out of 3 patents)

11.  Johannes Mauser (3 out of 3 patents)

12.  Sebastian Pandolfi (3 out of 3 patents)

13.  Nesbitt W Hagood (3 out of 30 patents)

14.  Claus Müller (2 out of 2 patents)

15.  Nathan Elliott (2 out of 2 patents)


Core Competencies:
Biodegradable Sports Ball
Graphene Material
Racket Design
Performance Enhancement
Dampening Device
Elastic Grip Sleeve
Shear Thickening Materials
Tennis Racket
Ball Game Racket
Racket Frame
Grommet Strip
Sound-Enhanced Racket

49 patents:

1. 12441533 - Recyclable ball can (2025-10-14),
2. D1096075 - Ski pants (2025-10-07),
3. D1081868 - Pickleball racket bumper (2025-07-01),
4. 12296230 - Biodegradable sports ball and method for manufacture thereof (2025-05-13),
5. 12226677 - Ball game racket frame and method for manufacturing a ball game racket (2025-02-18),
6. D1027386 - Pants (2024-05-21),
7. D1027089 - Racket throat (2024-05-14),
8. D1018745 - Header card mask (2024-03-19),
9. D1018720 - Header card mask (2024-03-19),
10. 11857855 - Characterization of a ball game racket frame (2024-01-02),
11. 11679308 - Ball game racket frame (2023-06-20),
12. 11521367 - Characterization of a ball game racket string pattern (2022-12-06),
13. D931965 - Tennis racquet (2021-09-28),
14. D931964 - Tennis racquet (2021-09-28),
15. D912166 - Header card mask (2021-03-02),
Head Technology GmbH, based in Kennelbach, Austria, specializes in the development of innovative sports equipment that emphasizes sustainability and performance. The company focuses on recyclable and biodegradable materials, enhancing the athletic experience through advanced technologies such as shear thickening materials and superelastic racket strings. Their product range includes high-performance racket sports gear and dampening devices, aimed at improving player performance while promoting environmentally friendly practices in the sports industry.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

49 Patents

#1 in Kennelbach

#74 in Austria

#14,266 in the World

Kennelbach, AT
Kennelbach, Austria

Head Technology Gmbh

Forward Citations = 330

29 inventors:

goldMedal Ralf Schwenger (18 out of 18 patents)

silverMedal Stefan Mohr (15 out of 16 patents)

bronzeMedal Herfried J Lammer (15 out of 24 patents)

4.  Harald Rosenkranz (14 out of 14 patents)

5.  Johan Kotze (13 out of 13 patents)

Please report any incorrect information to [email protected]
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