For the Inventor, By the Inventor

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Winnenden, Germany

Alfred Kärcher Gmbh Co. Kg

USPTO Granted Patents = 43

EPO Patents = 226

Forward Citations = 75

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94 inventors (with patents filed for the assignee):

Frank Nonnenmann (8 out of 13 patents)

Maic Hensel (5 out of 9 patents)

André Speckmaier (5 out of 5 patents)

4. Rainer Schaefer (4 out of 6 patents)

5. Juergen Merz (3 out of 5 patents)

6. Gilles Troff (3 out of 5 patents)

7. Yunus Demirtas (3 out of 5 patents)

8. Yann Veitz (3 out of 3 patents)

9. Ingo Feistkorn (3 out of 3 patents)

10. Claus Heid (3 out of 3 patents)

11. Fabian Moser (2 out of 11 patents)

12. Michael Schuetz (2 out of 5 patents)

13. Bernd Noller (2 out of 2 patents)

14. Melanie Ritscher (2 out of 4 patents)

15. Joerg Brueckner (2 out of 2 patents)

43 patents: Sort by Forward Citations

1. 10362920 - Surface cleaning machine (2019-07-30),

2. 10047767 - Motor pump unit for a high-pressure cleaning appliance, and high-pressure cleaning appliance (2018-08-14),

3. 10023157 - Vehicle washing installation (2018-07-17),

4. 9999332 - Floor cleaning machine (2018-06-19),

5. 9993832 - Valve gun for a high-pressure cleaner (2018-06-12),

6. 9961492 - Method for monitoring an operation location of a surface processing apparatus, and monitoring system (2018-05-01),

7. 9955840 - Cleaning tool for a floor cleaning appliance (2018-05-01),

8. 9949607 - Self-propelled surface cleaning machine and method for operating a self-propelled surface cleaning machine (2018-04-24),

9. 9932971 - Swash plate compressor having a curved piston guide wall (2018-04-03),

10. 9931013 - Manually guided floor cleaning machine (2018-04-03),

11. 9907448 - Dirt pick-up device and floor cleaner with a dirt pick-up device (2018-03-06),

12. 9841244 - Heat exchanger and method for its manufacture (2017-12-12),

13. 9801512 - Self-propelled and self-steering floor cleaning appliance (2017-10-31),

14. 9750383 - Cleaning brush for a floor cleaner and floor cleaner with a cleaning brush (2017-09-05),

15. 9723963 - Power supply arrangement for a suction device and suction device (2017-08-08),

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USPTO Data Jan 1 1976 - Dec 2 2025

43 Patents

#3 in Winnenden

#1,231 in Germany

#15,541 in the World

Winnenden, Germany

Alfred Kärcher Gmbh Co. Kg

Forward Citations = 75

94 inventors:

Frank Nonnenmann (8 out of 13 patents)

Maic Hensel (5 out of 9 patents)

André Speckmaier (5 out of 5 patents)

4. Rainer Schaefer (4 out of 6 patents)

5. Juergen Merz (3 out of 5 patents)

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