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For the Inventor, By the Inventor

Cologne, Germany

Inficon Gmbh


USPTO Granted Patents = 193

% Expired Patents = 6.2



Trademarks = 24

Forward Citations = 603

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150 inventors (with patents filed for the assignee):

goldMedal Daniel Wetzig (38 out of 39 patents)

silverMedal Silvio Decker (23 out of 24 patents)

bronzeMedal Werner Grosse Bley (20 out of 25 patents)

4.  Norbert Rolff (17 out of 20 patents)

5.  Martin Wüest (13 out of 18 patents)

6.  Randolf Paul Rolff (13 out of 13 patents)

7.  Mohamed Buhary Rinzan (7 out of 8 patents)

8.  Shawn M Briglin (7 out of 14 patents)

9.  Thomas Böhm (7 out of 7 patents)

10.  Michael F Vollero (6 out of 6 patents)

11.  Ludolf Gerdau (6 out of 6 patents)

12.  Gerhard Küster (6 out of 6 patents)

13.  Rudi Widt (6 out of 8 patents)

14.  Per Björkman (6 out of 7 patents)

15.  Fredrik Enquist (5 out of 13 patents)


Core Competencies:
Gas Leak Detection
Mass Flow Measurement
Thin Film Deposition
Chemical Analysis
Optical Sensors
Quartz Crystal Microbalance
Sniffer Probes
Pressure Measurement
Ion Source Assembly
Gas Chromatograph
Vacuum Leak Detection
Leak Testing

193 patents:

1. 12736503 - System and method for deconvolution of real-time mass from the influence of temperature and pressure on crystal microbalance (2026-09-15),
2. 12736134 - Sealing system for components of a gas analyzer (2026-09-15),
3. 12730031 - Leak detectors (2026-09-08),
4. 12716803 - Leak detectors (2026-08-25),
5. 12710330 - EVALUATION OF THE MEASUREMENT SIGNAL FROM A VACUUM LEAK DETECTOR (2026-08-18),
6. 12687450 - Functionally testing a leak detection device for checking the sealing tightness of an inspection object filled with a liquid (2026-07-21),
7. 12687449 - Device for leakage detection via mass spectrometry, having a three-stage turbomolecular pump and a booster pump (2026-07-21),
8. 12618739 - Test leakage device (2026-05-05),
9. 12603623 - Amplifier device for amplifying small currents (2026-04-14),
10. 12577675 - System and method for mass flow measurement and control of process gases in a carrier stream using one or more quartz crystal microbalance sensors (2026-03-17),
11. 12540874 - Sniffer probe having a bypass opening, for a gas leak detector (2026-02-03),
12. 12494358 - Ion source assembly with multiple elliptical filaments (2025-12-09),
13. 12492960 - Vacuum leak detection system, gas control unit and method for gas leak detection (2025-12-09),
14. 12455207 - Method for detecting test gas exiting a test body using an optical sensor (2025-10-28),
15. 12436058 - Sniffer probe with shielding (2025-10-07),
Inficon GmbH, based in Cologne, Germany, specializes in advanced technologies for gas leak detection and measurement. The company develops innovative solutions that encompass mass flow measurement, chemical analysis, and optical sensors, catering to various industries. Inficon's expertise extends to thin film deposition and pressure measurement, utilizing tools such as quartz crystal microbalance and sniffer probes. Their commitment to precision and reliability positions them as a leader in ensuring safety and efficiency in gas management applications.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Inficon Gmbh
193 Patents

#3 in Cologne

#310 in Germany

#4,363 in the World

Cologne, DE
Cologne, Germany

Inficon Gmbh

Forward Citations = 603

150 inventors:

goldMedal Daniel Wetzig (38 out of 39 patents)

silverMedal Silvio Decker (23 out of 24 patents)

bronzeMedal Werner Grosse Bley (20 out of 25 patents)

4.  Norbert Rolff (17 out of 20 patents)

5.  Martin Wüest (13 out of 18 patents)

Please report any incorrect information to [email protected]
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