% Expired Patents = 83.3

EPO Patents = 8

Trademarks = 2

Forward Citations = 46

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9 inventors (with patents filed for the assignee):

Heinrich Katenhusen (2 out of 3 patents)

Marco Peters (2 out of 2 patents)

Harald Nowak (2 out of 2 patents)

4. Carsten Protz (1 out of 7 patents)

5. Frank Thormahlen (1 out of 1 patent)

6. Joachim Hartlein (1 out of 1 patent)

7. Henrich Katenhusen (1 out of 1 patent)

8. Heinz Holsten (1 out of 2 patents)

9. Joachim Bahnemann (1 out of 2 patents)

10. Frank Jessen (0 patent)

11. Rolf-Jürgen Maut (0 patent)

12. Mpilo Ngwenya (0 patent)

13. Kai Ketelsen (0 patent)

14. Bernd Wetendorf (0 patent)

15. Peter Stanzel (0 patent)

6 patents: Sort by Forward Citations

1. 8079107 - Overhead throwing sweeping machine (2011-12-20),

2. 8038030 - Floor cleaning machine (2011-10-18),

3. 7555801 - Floor cleaning machine (2009-07-07),

4. 7461428 - Floor cleaning machine (2008-12-09),

5. 7302734 - Ground cleaning machine (2007-12-04),

6. 4979260 - Hand-guided sweeping machine (1990-12-25),

Hako-Werke GmbH is a leading international manufacturer of professional cleaning and municipal technology. With a focus on innovative solutions, Hako offers a range of high-quality products such as scrubber-driers, sweepers, and street sweepers. Founded in 1924 in Germany, Hako has established itself as a trusted provider of cleaning equipment for a wide range of industries and applications.

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

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USPTO Data Jan 1 1976 - Sep 29 2026

6 Patents

#6 in Bad Oldesloe

#5,398 in Germany

Bad Oldesloe, Germany

Hako-Werke Gmbh