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For the Inventor, By the Inventor

Haag, Switzerland

Vat Holding Ag


USPTO Granted Patents = 148

% Expired Patents = 18.9


Trademarks = 5

Forward Citations = 881

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100 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 (12 out of 13 patents)

8.  Michael Dür (7 out of 7 patents)

9.  Michael Zickar (6 out of 6 patents)

10.  Daniel Seitz (6 out of 6 patents)

11.  Christoph Böhm (6 out of 6 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 Valve
High-Frequency Grounding
Temperature Sensor
Pneumatic Drive
Wafer Transfer System
Pressure Regulation
Closure Device
Seal Support Ring
Pin Lifting Device
Optical Sensor
Diaphragm Bellows
Flow Control

148 patents:

1. 12756148 - Connecting device (2026-10-06),
2. 12733449 - Pin lifting device (2026-09-08),
3. 12698846 - Method for determining a correction valve for a regulating device for a regulating valve (2026-08-04),
4. 12687243 - Vacuum angle valve comprising a pressure sensor (2026-07-21),
5. 12678745 - Device for homogenizing a gas distribution in a process chamber (2026-07-14),
6. 12422056 - Valve, in particular a vacuum valve (2025-09-23),
7. 12381108 - Pin lifting device having a temperature sensor (2025-08-05),
8. 12358090 - Lifting device for lowering a substrate (2025-07-15),
9. 12283469 - High-frequency grounding device and vacuum valve having high-frequency grounding device (2025-04-21),
10. 12241556 - Vacuum valve for providing a symmetrical fluid flow (2025-03-04),
11. 12209688 - Valve plate for a closure device for closing an opening in a wall in a vacuum-tight manner (2025-01-28),
12. 12209687 - Closure device for closing an opening in a wall in a vacuum-tight manner (2025-01-28),
13. 12209678 - Valve plate (2025-01-28),
14. 12181064 - Valve (2024-12-31),
15. 12173738 - Joining system for mechanically joining two materials (2024-12-24),
Company Overview
Vat Holding AG, headquartered in Haag, Switzerland, specializes in vacuum valve technology, serving critical sectors such as semiconductor manufacturing and industrial applications. The company develops advanced solutions including vacuum valves, high-frequency grounding systems, and temperature sensors, which are essential for maintaining optimal conditions in various processes. Their expertise extends to pneumatic drives, wafer transfer systems, pressure regulation, closure devices, and seal support rings, positioning Vat as a leader in precision engineering and innovation in vacuum technology.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

Vat Holding Ag USPTO Patent Assignee Logo
148 Patents

#2 in Haag

#124 in Switzerland

#5,514 in the World

Haag, CH
Haag, Switzerland

Vat Holding Ag

Forward Citations = 881

100 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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Vat Holding Ag. Retrieved from https://idiyas.com/company/vat-holding-ag

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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