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Winnenden, Germany

Alfred Karcher Gmbh & Co.

USPTO Granted Patents = 36

Trademarks = 2

Forward Citations = 832

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63 inventors (with patents filed for the assignee):

Werner Schulze (8 out of 8 patents)

Robert Nathan (6 out of 14 patents)

Josef Schneider (5 out of 5 patents)

4. Eberhard Veit (5 out of 5 patents)

5. Johann G Wesch (4 out of 4 patents)

6. Helmut Gassert (4 out of 4 patents)

7. Roland Schick (3 out of 7 patents)

8. Helmut Stelzmuller (3 out of 3 patents)

9. Peter Langer (2 out of 3 patents)

10. Emil Scheef (2 out of 2 patents)

11. Gerhard Dellert (2 out of 2 patents)

12. Wilhelm Eisenmann (2 out of 2 patents)

13. Heinz Dautel (2 out of 2 patents)

14. Josef Gerich (2 out of 2 patents)

15. Donald W Murray (1 out of 26 patents)

36 patents: Sort by Forward Citations

1. 6318238 - Wobbling drive of an axial piston machine (2001-11-20),

2. D443736 - Power washer (2001-06-13),

3. 6243913 - Cleaning device (2001-06-12),

4. 6123111 - High pressure hose having a fitting for attachment to a corresponding (2000-09-26),

5. 6062822 - High-pressure cleaning apparatus (2000-05-16),

6. 6061868 - Traveling floor cleaning appliance (2000-05-16),

7. 6029906 - Rotary nozzle for a high-pressure cleaning apparatus (2000-02-29),

8. 5951746 - Suction device for cleaning purposes (1999-09-14),

9. 5934887 - High-pressure cleaning device (1999-08-10),

10. 5911230 - Apparatus for treating an article (1999-06-15),

11. 5901409 - Road sweeping machine (1999-05-11),

12. 5886436 - High-pressure cleaning apparatus (1999-03-23),

13. 5788292 - Connector for the pipe coupling of a high-pressure cleaning apparatus (1998-08-04),

14. 5731065 - Multilayered, textile, gas-permeable filter material against toxic (1998-03-24),

15. 5597122 - Flat jet nozzle for a high-pressure cleaning device (1997-01-28),

Alfred Karcher GmbH & Co. is a renowned company that specializes in the production and distribution of high-quality cleaning equipment. With a rich history spanning several decades, Karcher has established itself as a global leader in innovative cleaning solutions. Their comprehensive range of products includes pressure washers, steam cleaners, vacuum cleaners, scrubber driers, and more. Karcher is known for its commitment to sustainability and eco-friendly practices, continuously striving to develop energy-efficient and resource-conserving products.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

36 Patents

#4 in Winnenden

#1,410 in Germany

#18,155 in the World

Winnenden, Germany

Alfred Karcher Gmbh & Co.

Forward Citations = 832

63 inventors:

Werner Schulze (8 out of 8 patents)

Robert Nathan (6 out of 14 patents)

Josef Schneider (5 out of 5 patents)

4. Eberhard Veit (5 out of 5 patents)

5. Johann G Wesch (4 out of 4 patents)

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