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Lohmar, Germany

Gkn Walterscheid Gmbh

USPTO Granted Patents = 80

% Expired Patents = 17.5

EPO Patents = 20

Trademarks = 4

Forward Citations = 428

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67 inventors (with patents filed for the assignee):

Paul Herchenbach (14 out of 29 patents)

Wolfgang Adamek (11 out of 11 patents)

Herbert Coenen (11 out of 13 patents)

4. Andreas Roth (9 out of 15 patents)

5. Wilhelm Schott (9 out of 9 patents)

6. Andreas Sarfert (8 out of 8 patents)

7. Eberhard Wilks (8 out of 8 patents)

8. Clemens Nienhaus (8 out of 20 patents)

9. Horst Kretschmer (8 out of 12 patents)

10. Martin Hector (7 out of 9 patents)

11. Stefan Rauschenbach (6 out of 10 patents)

12. Karl Coenen (6 out of 11 patents)

13. Hans-Jurgen Langen (6 out of 11 patents)

14. Klaus Kampf (5 out of 17 patents)

15. John Zubik (4 out of 4 patents)

Core Competencies:

Universal Joint

Torque Limiting Coupling

Drive Assembly

Agricultural Implements

Protective Device

Length Adjustable Strut

Hydraulic Lift

Driveshaft

Sealing Assembly

Coupling Device

Telescopic Shaft

Safety Guard

80 patents: Sort by Forward Citations

1. 10309466 - Protective device for a universal shaft as well as protective arrangement with universal shaft and such a protective device (2019-06-04),

2. 10018229 - Protection arrangement for a universal joint shaft (2018-07-10),

3. 9915294 - Protective device for a universal shaft and protective arrangement with a universal shaft and such a protective device (2018-03-13),

4. 9491898 - Length adjustable lifting strut (2016-11-15),

5. 8950523 - Drive train between the power take-off shaft of a tractor unit and the gearbox of a trailer vehicle (2015-02-10),

6. 8870667 - Telescopic shaft with connection element (2014-10-28),

7. 8668065 - Torque limiting coupling (2014-03-11),

8. 8556037 - Lubricating nipple (2013-10-15),

9. 8206226 - Torque limiting coupling (2012-06-26),

10. 8202171 - Safety guard for a double universal joint (2012-06-19),

11. 8100601 - Connection arrangement, especially between a feed roller and a gearbox of a field chopper (2012-01-24),

12. 7997362 - Device for coupling a universal joint shaft with a power take-off shaft of a tractor (2011-08-16),

13. 7950209 - Drive arrangement for an agricultural machine (2011-05-31),

14. 7908832 - Agricultural machine, especially a field chopper (2011-03-22),

15. 7464526 - Drive assembly for locking one or several operating units of an agricultural implement or of a self-propelled implement (2008-12-16),

Gkn Walterscheid GmbH, headquartered in Lohmar, Germany, specializes in the development and manufacturing of advanced universal joint protection systems and related components. The company focuses on innovative solutions such as torque limiting couplings, drive assemblies, and protective devices tailored for agricultural implements and machinery. With a commitment to enhancing performance and safety in drive systems, Gkn Walterscheid plays a pivotal role in the agricultural and industrial sectors, delivering high-quality products that meet diverse operational needs.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

80 Patents

#5 in Lohmar

#717 in Germany

#9,440 in the World

Lohmar, Germany

Gkn Walterscheid Gmbh

Forward Citations = 428

67 inventors:

Paul Herchenbach (14 out of 29 patents)

Wolfgang Adamek (11 out of 11 patents)

Herbert Coenen (11 out of 13 patents)

4. Andreas Roth (9 out of 15 patents)

5. Wilhelm Schott (9 out of 9 patents)

Please report any incorrect information to [email protected]

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