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Pfungstadt, Germany

Hofmann Werkstatt-technik Gmbh

USPTO Granted Patents = 45

Trademarks = 4

Forward Citations = 233

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29 inventors (with patents filed for the assignee):

Karl Rothamel (15 out of 23 patents)

Eickhart Goebel (9 out of 18 patents)

Lorenz Lenhardt (5 out of 7 patents)

4. Ulrich Diez (5 out of 7 patents)

5. Josef Drechsler (5 out of 5 patents)

6. Klaus Ruhl (4 out of 4 patents)

7. Simone Longa (3 out of 4 patents)

8. Kurt Humber (3 out of 4 patents)

9. Walter Boess (2 out of 2 patents)

10. Marco Castelnuovo (2 out of 4 patents)

11. Gottfried Kuhn (2 out of 2 patents)

12. Gerhard Rossteuscher (2 out of 2 patents)

13. Wolfgang Rowe (2 out of 2 patents)

14. Klaus Gruppenbacher (2 out of 2 patents)

15. Roland Menigat (2 out of 2 patents)

Core Competencies:

Vehicle Wheel Balancing

Tire Measurement

Balancing Machine

Unbalance Correction

Rotary Member Positioning

Geometrical Data Sensing

Adhesive Balancing Weights

Electric Motor Control

Mechanical Drive Arrangement

Optical Measurement Techniques

Tire Demounting Tools

Quality Grading in Rotors

45 patents: Sort by Forward Citations

1. 6672158 - Method and apparatus for balancing a vehicle wheel (2004-01-06),

2. 6414304 - Method and apparatus for determining the position of a wheel mounted on a vehicle (2002-07-02),

3. 6408528 - Method and apparatus for determining the impressing depth of a tire on a motor vehicle disk wheel (2002-06-25),

4. 6179032 - Bead depressor (2001-01-30),

5. 6138366 - Adaptor for fixing a measuring means to a vehicle wheel (2000-10-31),

6. 5983717 - Method and apparatus for balancing a motor vehicle wheel (1999-11-16),

7. 5959204 - Method and apparatus for holding in position a motor vehicle wheel (1999-09-28),

8. 5948980 - Method and arrangement for clamping a motor vehicle wheel on a balancing (1999-09-07),

9. 5909097 - Method of stopping an electric motor-driven balancing machine main shaft (1999-06-01),

10. 5847277 - Method of rotating a rotary member in a balancing machine into balancing (1998-12-08),

11. 5831152 - Wheel balancing machine (1998-11-03),

12. 5717138 - Arrangement for driving a measuring spindle of a balancing machine (1998-02-10),

13. 5703291 - Power clamping system for mounting/securing of automotive wheel (1997-12-30),

14. 5615574 - Method and assembly for clamping and releasing a rotary member on a (1997-04-01),

15. 5606127 - Method of setting a displayable machine function of a wheel balancing (1997-02-25),

Hofmann Werkstatt-technik GmbH is a leading provider of high-quality automotive workshop equipment and solutions. With over 50 years of experience, we offer a wide range of products including vehicle lifts, tire changers, wheel balancers, brake testers, and more. Our innovative and reliable solutions are trusted by automotive professionals around the world. Visit our website to explore our full range of products and services.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

45 Patents

#1 in Pfungstadt

#1,198 in Germany

#14,976 in the World

Pfungstadt, Germany

Hofmann Werkstatt-technik Gmbh

Forward Citations = 233

29 inventors:

Karl Rothamel (15 out of 23 patents)

Eickhart Goebel (9 out of 18 patents)

Lorenz Lenhardt (5 out of 7 patents)

4. Ulrich Diez (5 out of 7 patents)

5. Josef Drechsler (5 out of 5 patents)

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