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Friedrich Grohe Armaturenfabrik Gmbh+co.

USPTO Granted Patents = 72

Trademarks = 5

Forward Citations = 1,660

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40 inventors (with patents filed for the assignee):

Manfred Pawelzik (12 out of 24 patents)

Odo H Klose (11 out of 36 patents)

Jurgen Humpert (9 out of 18 patents)

4. Gilles Thevenot (8 out of 14 patents)

5. Jan R Kostorz (6 out of 9 patents)

6. Adolf Gottwald (6 out of 130 patents)

7. Horst Titze (5 out of 6 patents)

8. Harald Korfgen (4 out of 9 patents)

9. Vinzenz Grendel (4 out of 4 patents)

10. Bruno Heimann (3 out of 22 patents)

11. Heinz Hirsch (3 out of 5 patents)

12. Georg Bernat (3 out of 7 patents)

13. Werner Gnauert (2 out of 10 patents)

14. Max Derr (2 out of 4 patents)

15. Dieter Kahle (2 out of 7 patents)

Core Competencies:

Mixing Valve

Single-Control Faucet

Shower Head Holder

Temperature Indicator

Backflow Preventer

Flow-Control Valve

Sanitary Fixture

Wall-Mount Faucet

Adjustable-Length Faucet

Thermostatically Regulating Valve

Cleaning Appliance

Electronically Controlled Faucet

72 patents: Sort by Forward Citations

1. 5372161 - Valve plates for single-control valve (1994-12-13),

2. D336252 - Temperature indicator (1993-06-08),

3. 5213377 - Coupling for seating a tube end in a fitting (1993-05-25),

4. D334794 - Holder for a shower head (1993-04-13),

5. D333698 - Combined control handle and escutcheon for showers or the like (1993-03-02),

6. 5190077 - Switchover valve (1993-03-02),

7. 5174495 - Adjusting and servicing a computer-controlled mixing valve (1992-12-29),

8. D331099 - Combined control handle and escutcheon for showers or the like (1992-11-17),

9. 5161567 - Escutcheon for recessed plumbing fixture (1992-11-10),

10. D330754 - Combined control handle and escutcheon for showers or the like (1992-11-03),

11. 5160197 - Snap coupling with temperature readout for hand shower (1992-11-03),

12. 5148551 - Surface-mounting mixing valve (1992-09-22),

13. 5143349 - Valve with flow shield (1992-09-01),

14. D325073 - Faucet (1992-03-31),

15. D323205 - Combined shower head and holder (1992-01-14),

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

72 Patents

#5 in Hemer

#804 in Germany

#9,936 in the World

Friedrich Grohe Armaturenfabrik Gmbh+co.

Forward Citations = 1,660

40 inventors:

Manfred Pawelzik (12 out of 24 patents)

Odo H Klose (11 out of 36 patents)

Jurgen Humpert (9 out of 18 patents)

4. Gilles Thevenot (8 out of 14 patents)

5. Jan R Kostorz (6 out of 9 patents)

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