For the Inventor, By the Inventor

Enter assignee name

Dortmund, Germany

Wilo Gmbh

USPTO Granted Patents = 22

Forward Citations = 326

Loading Chart...

Loading Chart...

21 inventors (with patents filed for the assignee):

Albert Genster (7 out of 12 patents)

Waldemar Stephan (7 out of 11 patents)

Manfred Zelder (4 out of 5 patents)

4. Uwe Dreihaus (3 out of 4 patents)

5. Hansjürgen Kech (3 out of 4 patents)

6. Ingo Fabricius (2 out of 2 patents)

7. Hansjurgen Kech (2 out of 2 patents)

8. Wolfgang Schmidt (1 out of 6 patents)

9. Thomas Materne (1 out of 1 patent)

10. Steffen Katzer (1 out of 1 patent)

11. Gerhard Hunnekuhl (1 out of 3 patents)

12. Horst-Georg Schmalfuss (1 out of 2 patents)

13. Stephan Schreckenberg (1 out of 1 patent)

14. Norbert Lutkenhaus (1 out of 1 patent)

15. Fritz Krasser (1 out of 27 patents)

22 patents: Sort by Forward Citations

1. 6801031 - Method and apparatus for current measurement for electronically-controlled pump (2004-10-05),

2. 6474951 - Controller for pump and valve (2002-11-05),

3. 6473562 - Method for low-speed operation of brushless DC motors (2002-10-29),

4. 6445098 - Can for a synthetic pump motor (2002-09-03),

5. 6365998 - Canned motor pump with winding carrier (2002-04-02),

6. 6342770 - Method for starting brushless DC motors (2002-01-29),

7. 6327424 - Method of and circuit for operating a motor using power transistors (2001-12-04),

8. 6276946 - Plug-in connection for electric motors (2001-08-21),

9. 6229240 - Split-tube motor (2001-05-08),

10. 6199517 - Latent heat storage system for use in a vehicle (2001-03-13),

11. 6177741 - Electric-motor wiring system (2001-01-23),

12. 6175173 - Tube pump (2001-01-16),

13. 6138618 - Radiator for a vehicle engine (2000-10-31),

14. 6091174 - Electric motor (2000-07-18),

15. 6033183 - Impeller for a rotary pump (2000-03-07),

Wilo is a leading manufacturer of pumps and pump systems for the building services, water management, and industrial sectors. With a history dating back over 150 years, Wilo is known for its innovative and energy-efficient solutions that help customers worldwide. Headquartered in Germany, Wilo has a strong global presence and is committed to sustainability and environmental responsibility in all its operations.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

22 Patents

#13 in Dortmund

#2,084 in Germany

#27,881 in the World

Dortmund, Germany

Wilo Gmbh

Forward Citations = 326

21 inventors:

Albert Genster (7 out of 12 patents)

Waldemar Stephan (7 out of 11 patents)

Manfred Zelder (4 out of 5 patents)

4. Uwe Dreihaus (3 out of 4 patents)

5. Hansjürgen Kech (3 out of 4 patents)

Please report any incorrect information to support@idiyas.com

Loading…