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Minden, Germany

Melitta-werke Bentz & Sohn

USPTO Granted Patents = 21

Trademarks = 3

Forward Citations = 323

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20 inventors (with patents filed for the assignee):

Reinhard Hauslein (5 out of 8 patents)

Heinrich Schmidt (3 out of 4 patents)

Dieter Brindopke (2 out of 3 patents)

4. Thomas Salomon (2 out of 7 patents)

5. Hans-Jurgen Slomka (2 out of 3 patents)

6. Jurgen Bockstiegel (1 out of 1 patent)

7. Peter Ullrich (1 out of 1 patent)

8. Edgar Besenreiter (1 out of 1 patent)

9. Heiko Rieken (1 out of 1 patent)

10. Kwan W Chan (1 out of 2 patents)

11. Peter Creyaufmuller (1 out of 1 patent)

12. Georg Hartel (1 out of 1 patent)

13. Cornelius Lungu (1 out of 3 patents)

14. Max T Von Der Luhe (1 out of 1 patent)

15. Chan K Woon (1 out of 1 patent)

21 patents: Sort by Forward Citations

1. 5098062 - Magnetic valve incorporating a permanent magnet for effecting valve (1992-03-24),

2. 5080612 - Electrical appliance (1992-01-14),

3. 5070773 - Coffee or tea maker (1991-12-10),

4. 5049713 - Apparatus for preparing hot beverages in a microwave oven (1991-09-17),

5. 5038675 - Coffee or tea maker (1991-08-13),

6. 5027425 - Flow-through heater, particularly for a coffee or tea maker (1991-06-25),

7. 4983412 - Method and device for producing aqueous extracts from coffee (1991-01-08),

8. 4957632 - Valve closing device for a filter vessel in a beverage maker (1990-09-18),

9. 4932932 - Method of and apparatus for cutting blanks from an elastic paper (1990-06-12),

10. 4930687 - Decanter with attached spout-handle and method of making same (1990-06-05),

11. 4898090 - Device for the production of aroma extracts from coffee or tea (1990-02-06),

12. 4865187 - Block-shaped display carton (1989-09-12),

13. 4847459 - Bowl-shaped plastic microwave dish (1989-07-11),

14. 4825042 - Continuous flow heater assembly for a beverage maker (1989-04-25),

15. 4819553 - Coffee or tea maker (1989-04-11),

Melitta-werke Bentz & Sohn is a German company founded in 1908 by Melitta Bentz, who invented the first coffee filter. The company specializes in coffee and coffee-related products, including filters, machines, and accessories. Melitta is known for its high-quality products and commitment to sustainability and environmental responsibility.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

21 Patents

#2 in Minden

#2,154 in Germany

#29,047 in the World

Minden, Germany

Melitta-werke Bentz & Sohn

Forward Citations = 323

20 inventors:

Reinhard Hauslein (5 out of 8 patents)

Heinrich Schmidt (3 out of 4 patents)

Dieter Brindopke (2 out of 3 patents)

4. Thomas Salomon (2 out of 7 patents)

5. Hans-Jurgen Slomka (2 out of 3 patents)

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