For the Inventor, By the Inventor

Enter assignee name

Granichen, Switzerland

Zehnder Group International Ag

USPTO Granted Patents = 21

CIPO Patents = 2

EPO Patents = 99

Trademarks = 15

Forward Citations = 28

Loading Chart...

Loading Chart...

27 inventors (with patents filed for the assignee):

Christian Hirsch (8 out of 9 patents)

Martijn Haddeman (8 out of 8 patents)

Erik Boxum (4 out of 4 patents)

4. Christian Bier (3 out of 14 patents)

5. Stefan Brandt (3 out of 3 patents)

6. Martin Mayershofer (3 out of 5 patents)

7. Magnus Bladh (2 out of 2 patents)

8. Janne Paiho (2 out of 2 patents)

9. Urs Thoma (1 out of 1 patent)

10. Christoph Egli (1 out of 3 patents)

11. Jörg Evertz (1 out of 9 patents)

12. Arie Veldhuijzen (1 out of 1 patent)

13. Uwe Werner (1 out of 21 patents)

14. Zhangeng Guo (1 out of 1 patent)

15. Hongwei Ran (1 out of 1 patent)

21 patents: Sort by Forward Citations

1. 12510264 - Heat recovery unit (2025-12-30),

2. D1098396 - Air cleaning device (2025-10-14),

3. 12264884 - Method for providing a heat exchanger block with a housing as well as heat exchanger block having such a housing (2025-04-01),

4. D1045052 - Indoor ventilating fan (2024-10-01),

5. 12104858 - Channel heat exchanger (2024-10-01),

6. 12072120 - Air diffuser device for ventilating rooms (2024-08-27),

7. 11759753 - Enthalpy exchanger element, enthalpy exchanger comprising such elements and method for their production (2023-09-19),

8. D986400 - Air filter for ventilation equipment (2023-05-16),

9. D979730 - Air cleaning device (2023-02-28),

10. 11125462 - Channel element, channel element system for a ventilation system, and building envelope equipped with said channel element system (2021-09-21),

11. 11015873 - Exchanger element for passenger compartment and passenger compartment equipped with such an exchanger element (2021-05-25),

12. 10982911 - Enthalpy exchanger element, enthalpy exchanger comprising such elements and method for their production (2021-04-20),

13. 10967333 - Enthalpy exchanger element, enthalpy exchanger comprising such elements and method for their production (2021-04-06),

14. 10852028 - Heat exchanger block and heat recovery ventilation unit comprising it (2020-12-01),

15. 10584925 - Stacked plate heat exchanger with form fitting connection of the plates (2020-03-10),

Zehnder Group International Ag is a global leader in indoor climate solutions, offering innovative and sustainable heating, cooling, and ventilation systems for residential, commercial, and institutional buildings. With a focus on energy efficiency and comfort, Zehnder Group is committed to providing high-quality products and services to improve the well-being of people and the environment.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

21 Patents

#1 in Granichen

#566 in Switzerland

#29,094 in the World

Granichen, Switzerland

Zehnder Group International Ag

Forward Citations = 28

27 inventors:

Christian Hirsch (8 out of 9 patents)

Martijn Haddeman (8 out of 8 patents)

Erik Boxum (4 out of 4 patents)

4. Christian Bier (3 out of 14 patents)

5. Stefan Brandt (3 out of 3 patents)

Please report any incorrect information to support@idiyas.com

Loading…