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For the Inventor, By the Inventor

Cologne, Germany

Leybold Gmbh


USPTO Granted Patents = 30

% Expired Patents = 6.7


Trademarks = 28

Forward Citations = 14

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47 inventors (with patents filed for the assignee):

goldMedal Dirk Schiller (6 out of 8 patents)

silverMedal Michel Aliman (6 out of 14 patents)

bronzeMedal Alexander Laue (4 out of 7 patents)

4.  Rainer Hölzer (3 out of 6 patents)

5.  Thomas Dreifert (3 out of 14 patents)

6.  Max Pelikan (3 out of 3 patents)

7.  Daniel Reinhard (3 out of 3 patents)

8.  Heinrich Engländer (3 out of 19 patents)

9.  Roland Müller (3 out of 5 patents)

10.  Thorsten Benter (3 out of 8 patents)

11.  Yessica Brachthaeuser (3 out of 3 patents)

12.  Wolfgang Giebmanns (2 out of 6 patents)

13.  Raffaello Ghislotti (2 out of 2 patents)

14.  Dieter Kolvenbach (2 out of 2 patents)

15.  Sebastian Walzel (2 out of 3 patents)


Core Competencies:
Vacuum Pump
Mass Spectrometer
Particle Detector
Ionization Device
Screw Pump
Multi-Stage Pump
Leak Detection
Ion Trap
Gas Analysis
Kinetic Energy Storage
Rotary Vane Pump
Diffusion Pump

30 patents:

1. 12650120 - Method for operating a pump system (2026-06-09),
2. 12461008 - Particle detector for detecting charged particles (2025-11-04),
3. 12378961 - Screw pump with a tapered suction-side section and a pressure-side section with a decreasing clearance (2025-08-05),
4. 12278100 - Holding device for at least one filament and mass spectrometer (2025-04-14),
5. 12176199 - Ionization device and mass spectrometer (2024-12-24),
6. 12140146 - Vacuum pump system and method for operating a vacuum pump system (2024-11-12),
7. 11988211 - Vacuum pump (2024-05-21),
8. 11935734 - Ion trap with ring-shaped ion storage cell and mass spectrometer (2024-03-19),
9. 11875985 - Mass spectrometer comprising an ionization device (2024-01-16),
10. 11791147 - Mass spectrometer and method for analysing a gas by mass spectrometry (2023-10-17),
11. 11719231 - Method for operating a vacuum pump system (2023-08-08),
12. 11592024 - Multi-stage rotary vane pump (2023-02-28),
13. 11346350 - Vacuum pump (2022-05-31),
14. 11300123 - Screw vacuum pump without internal cooling (2022-04-12),
15. 11293435 - Vacuum pump screw rotors with symmetrical profiles on low pitch sections (2022-04-05),
Leybold GmbH, headquartered in Cologne, Germany, specializes in vacuum technology and solutions. The company develops and manufactures a wide range of products, including vacuum pumps, measurement systems, and coating technologies, serving various industries such as semiconductor, automotive, and research. Leybold is recognized for its commitment to innovation and quality, providing advanced solutions that enhance efficiency and performance in vacuum applications globally.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

30 Patents

#23 in Cologne

#1,600 in Germany

#21,840 in the World

Cologne, DE
Cologne, Germany

Leybold Gmbh

Forward Citations = 14

47 inventors:

goldMedal Dirk Schiller (6 out of 8 patents)

silverMedal Michel Aliman (6 out of 14 patents)

bronzeMedal Alexander Laue (4 out of 7 patents)

4.  Rainer Hölzer (3 out of 6 patents)

5.  Thomas Dreifert (3 out of 14 patents)

Please report any incorrect information to [email protected]
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