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Munich, Georgia

Viessmann Werke Gmbh & Co

USPTO Granted Patents = 8

CIPO Patents = 7

Trademarks = 1

Forward Citations = 68

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19 inventors (with patents filed for the assignee):

Peter Hofbauer (4 out of 5 patents)

Joachim Scholta (2 out of 4 patents)

Klaus Heikrodt (2 out of 7 patents)

4. Ludwig Jörissen (1 out of 5 patents)

5. Bernd Gaugler (1 out of 16 patents)

6. Ludwig Jörrisen (1 out of 1 patent)

7. Klaus-Josef Daffner (1 out of 1 patent)

8. Gerhard Heinmöller (1 out of 1 patent)

9. Jörg Hoffmann (1 out of 1 patent)

10. Andreas Ciliox (1 out of 1 patent)

11. Heribert Schmitz (1 out of 1 patent)

12. Dietmar Debus (1 out of 1 patent)

13. Hans Viessmann (1 out of 1 patent)

14. Gerhard Heinmoller (0 patent)

15. Jorg Hoffmann (0 patent)

8 patents: Sort by Forward Citations

1. 7172827 - Fuel cells with integrated humidification and method for humidifying fuel cell process gas (2007-02-06),

2. 7169492 - Method for regulating operation of fuel cell installations controlled according to heat and/or power requirement (2007-01-30),

3. 7158525 - Apparatus and process for data communication, in particular for the parameterization and remote monitoring of heating installations (2007-01-02),

4. 5715683 - Heating and cooling machine (1998-02-10),

5. 5675974 - Heat exchanger (1997-10-14),

6. 5474443 - Radiant burner for boilers (1995-12-12),

7. 5453004 - Method for operation of an oil evaporation burner and an oil evaporation (1995-09-26),

8. 5355842 - Gas hot water heater (1994-10-18),

Viessmann Werke GmbH & Co is a leading international manufacturer of heating, industrial, and refrigeration systems. With a history dating back to 1917, the company has established itself as a pioneer in sustainable technology and energy efficiency. Viessmann offers a wide range of innovative products and solutions for residential and commercial applications, with a strong commitment to quality, reliability, and customer satisfaction.

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USPTO Data Jan 1 1976 - Dec 9 2025

8 Patents

#30 in Munich

#36 in Georgia

Munich, Georgia

Viessmann Werke Gmbh & Co

Forward Citations = 68

19 inventors:

Peter Hofbauer (4 out of 5 patents)

Joachim Scholta (2 out of 4 patents)

Klaus Heikrodt (2 out of 7 patents)

4. Ludwig Jörissen (1 out of 5 patents)

5. Bernd Gaugler (1 out of 16 patents)

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