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For the Inventor, By the Inventor

Offenbach am Main, Germany

Lohr & Bromkamp Gmbh


USPTO Granted Patents = 90

Trademarks = 2

Forward Citations = 1,108

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49 inventors (with patents filed for the assignee):

goldMedal Hans-Heinrich Welschof (38 out of 50 patents)

silverMedal Rudolf Beier (16 out of 17 patents)

bronzeMedal Peter Schwarzler (13 out of 16 patents)

4.  Werner Jacob (12 out of 55 patents)

5.  Erich Aucktor (10 out of 11 patents)

6.  Werner Krude (6 out of 101 patents)

7.  Michael Ricks (6 out of 10 patents)

8.  Norbert Hofmann (6 out of 11 patents)

9.  Manfred Niederhufner (4 out of 5 patents)

10.  Achim Jacob (3 out of 7 patents)

11.  Dieter Sattler (3 out of 4 patents)

12.  Markus Eschbach (3 out of 3 patents)

13.  Wolfgang Rubin (3 out of 3 patents)

14.  Eugen Stall (2 out of 12 patents)

15.  Friedhelm John (2 out of 4 patents)


Core Competencies:
Constant Velocity Joints
Universal Joints
Tripod Joints
Driveshafts
Coupling Assemblies
Energy Absorbing Shafts
Spherical Arms
Lubricant Reservoirs
Torque Transmission
Wheel Bearing Assemblies
Convoluted Boots
Rolling Boots

90 patents:

1. 6119329 - Connection between inner joint part and driveshaft (2000-09-19),
2. 5984039 - Coupling assembly (1999-11-16),
3. 5954587 - Constant velocity universal joint with lubricant reservoir (1999-09-21),
4. 5944612 - VL joint for long plunging distance and large articulation angle (1999-08-31),
5. 5803814 - Tripod joint with spherical arms (1998-09-08),
6. 5797801 - Constant velocity fixed joint (1998-08-25),
7. 5795233 - Universal joint (1998-08-18),
8. 5765837 - Convoluted boot with inner annual ribs (1998-06-16),
9. 5704840 - Universal joint (1998-01-06),
10. 5685777 - Constant velocity universal ball joint (1997-11-11),
11. 5676599 - Outer joint part for a tripod joint (1997-10-14),
12. 5665001 - Coupling for connecting two shafts (1997-09-09),
13. 5660494 - Connection for the harmonic transmission of torque (1997-08-26),
14. 5658199 - Tripod joint with mechanism for securing the rollers (1997-08-19),
15. 5651738 - Device for connecting a tubular shaft to a journal (1997-07-29),
Lohr & Bromkamp GmbH is a company based in Germany specialized in providing quality engineering solutions. With a rich history of over 50 years, Lohr & Bromkamp has established itself as a reliable partner for various industries including automotive, aerospace, and power generation. Our expertise lies in the fields of measurement technology, test systems, and process optimization. We offer comprehensive consulting services, innovative software solutions, and a wide range of high-precision measuring instruments. Visit our website to learn more about our products, services, and success stories.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

90 Patents

#2 in Offenbach am Main

#676 in Germany

#8,250 in the World

...
Offenbach am Main, Germany

Lohr & Bromkamp Gmbh

Forward Citations = 1,108

49 inventors:

goldMedal Hans-Heinrich Welschof (38 out of 50 patents)

silverMedal Rudolf Beier (16 out of 17 patents)

bronzeMedal Peter Schwarzler (13 out of 16 patents)

4.  Werner Jacob (12 out of 55 patents)

5.  Erich Aucktor (10 out of 11 patents)

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