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For the Inventor, By the Inventor

Haag, Switzerland

Vat Holding Ag


USPTO Granted Patents = 143


Trademarks = 7

Forward Citations = 849

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94 inventors (with patents filed for the assignee):

goldMedal Florian Ehrne (24 out of 24 patents)

silverMedal Friedrich Geiser (22 out of 26 patents)

bronzeMedal Bernhard Duelli (17 out of 17 patents)

4.  Thomas Blecha (16 out of 16 patents)

5.  Adrian Eschenmoser (13 out of 13 patents)

6.  Andreas Hofer (12 out of 12 patents)

7.  Martin Netzer (11 out of 12 patents)

8.  Michael Dür (6 out of 6 patents)

9.  Daniel Seitz (6 out of 6 patents)

10.  Christoph Böhm (6 out of 6 patents)

11.  Michael Zickar (5 out of 5 patents)

12.  Marco Apolloni (4 out of 5 patents)

13.  Martin Kienreich (4 out of 4 patents)

14.  Rico Rohner (4 out of 4 patents)

15.  Christof Bachmann (4 out of 4 patents)


Core Competencies:
Vacuum Valves
Pin Lifting Devices
High-Frequency Grounding
Wafer Transfer Systems
Vacuum Machining
Pressure Sensors
Closure Devices
Advanced Vacuum Control
Pneumatic Drives
Seal Support Rings
Temperature Sensors
Edge-Welded Bellows

143 patents:

1. 12422056 - Valve, in particular a vacuum valve (2025-09-23),
2. 12381108 - Pin lifting device having a temperature sensor (2025-08-05),
3. 12358090 - Lifting device for lowering a substrate (2025-07-15),
4. 12283469 - High-frequency grounding device and vacuum valve having high-frequency grounding device (2025-04-21),
5. 12241556 - Vacuum valve for providing a symmetrical fluid flow (2025-03-04),
6. 12209688 - Valve plate for a closure device for closing an opening in a wall in a vacuum-tight manner (2025-01-28),
7. 12209687 - Closure device for closing an opening in a wall in a vacuum-tight manner (2025-01-28),
8. 12209678 - Valve plate (2025-01-28),
9. 12181064 - Valve (2024-12-31),
10. 12173738 - Joining system for mechanically joining two materials (2024-12-24),
11. 12172252 - Vacuum machining system having a process chamber with a vacuum regulating valve (2024-12-24),
12. 12154802 - Method for monitoring, determining the position of, and positioning a pin-lifting system (2024-11-26),
13. 12152686 - Mounting of vacuum valve plate (2024-11-26),
14. 12106987 - Safeguarding device, wafer transport container with at least one safeguarding device, safeguarding system and method with the safeguarding device (2024-10-01),
15. 12060957 - Device for connecting fluid-conducting pipes and/or chambers (2024-08-13),
VAT Holding AG is a leading global provider of high-quality vacuum valves used in various industries such as semiconductor, electronics, and research. With a rich history of over 50 years, VAT is known for its innovative and reliable valve solutions that ensure optimal performance and productivity. The company offers a wide range of vacuum valves, gate valves, and control valves that are designed to meet the specific requirements of clients. VAT's valves are widely recognized for their precision, durability, and low maintenance. Headquartered in Haag, Switzerland, VAT operates production facilities and sales offices worldwide, serving a diverse customer base across the globe.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 16 2025

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143 Patents

#2 in Haag

#120 in Switzerland

#5,540 in the World

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Haag, Switzerland

Vat Holding Ag

Forward Citations = 849

94 inventors:

goldMedal Florian Ehrne (24 out of 24 patents)

silverMedal Friedrich Geiser (22 out of 26 patents)

bronzeMedal Bernhard Duelli (17 out of 17 patents)

4.  Thomas Blecha (16 out of 16 patents)

5.  Adrian Eschenmoser (13 out of 13 patents)

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