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Werner & Mertz Gmbh

USPTO Granted Patents = 8

EPO Patents = 13

Trademarks = 10

Forward Citations = 76

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9 inventors (with patents filed for the assignee):

Helmut Schneider (3 out of 3 patents)

Edelbert Bischoff (2 out of 3 patents)

Jens Koesters (1 out of 13 patents)

4. Michele Lucchese (1 out of 1 patent)

5. Immo Sander (1 out of 1 patent)

6. Gert Wetter (1 out of 2 patents)

7. Dieter Weissenfels (1 out of 1 patent)

8. Wolfgang Schirmacher (1 out of 1 patent)

9. Rainer Koeck (1 out of 1 patent)

10. Günter Grabher (8 patents)

11. Edgar Endlein (8 patents)

12. Matthias Perick (1 patent)

13. Andreas Brakemeier (2 patents)

14. Gaffar Hossain (0 patent)

15. Jens Kösters (0 patent)

8 patents: Sort by Forward Citations

1. 11420796 - Recyclable bag (2022-08-23),

2. 4806490 - Procedure for the detection of allergen-containing house dust (1989-02-21),

3. D290088 - Combined container and applicator for polish in the form of paste (1987-06-02),

4. 4666940 - Acaricidal cleaning composition for controlling house dust mites and (1987-05-19),

5. 4615439 - Container having a removable sealing cover (1986-10-07),

6. 4227316 - Discharge duct for apparatuses for extracting water from carpets (1980-10-14),

7. 4159555 - Soil-releasing roller for wet or dry carpet-cleaning apparatus (1979-07-03),

8. 4012805 - Carpet shampooer (1977-03-22),

Werner & Mertz is a leading European manufacturer of cleaning and care products. With a focus on sustainability and environmental responsibility, the company produces household cleaning products under well-known brands like Frosch and Erdal. Werner & Mertz is committed to using eco-friendly ingredients and packaging to minimize its environmental impact.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

8 Patents

#25 in Mainz

#4,372 in Germany

Werner & Mertz Gmbh

Forward Citations = 76

9 inventors:

Helmut Schneider (3 out of 3 patents)

Edelbert Bischoff (2 out of 3 patents)

Jens Koesters (1 out of 13 patents)

4. Michele Lucchese (1 out of 1 patent)

5. Immo Sander (1 out of 1 patent)

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