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For the Inventor, By the Inventor

Cologne, Germany

Leybold Vakuum Gmbh


USPTO Granted Patents = 53


Trademarks = 9

Forward Citations = 408

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70 inventors (with patents filed for the assignee):

goldMedal Christian Beyer (11 out of 18 patents)

silverMedal Heinrich Engländer (9 out of 19 patents)

bronzeMedal Josef Hodapp (6 out of 7 patents)

4.  Heinrich Engländer (6 out of 6 patents)

5.  Thomas Dreifert (5 out of 14 patents)

6.  Rudolf Bahnen (4 out of 15 patents)

7.  Ralf Adamietz (4 out of 5 patents)

8.  Hartmut Kriehn (4 out of 6 patents)

9.  Michael Froitzheim (3 out of 6 patents)

10.  Klaus Rofall (3 out of 4 patents)

11.  Manfred Behling (3 out of 4 patents)

12.  Thomas Bohm (3 out of 13 patents)

13.  Lothar Brenner (3 out of 3 patents)

14.  Thomas Abelen (3 out of 7 patents)

15.  Günter Schütz (3 out of 3 patents)


Core Competencies:
Vacuum Pump
Turbomolecular Pump
Friction Vacuum Pump
Magnetic Bearing
Screw Vacuum Pump
Helium Leak Detection
Cryopump
Multi-Chamber Installation
Dynamic Seal
High-Speed Turbo Pump
Low-Temperature Refrigeration
Gas Ballast Device

53 patents:

1. 7323221 - Coating of objects (2008-01-29),
2. 7156922 - Multi-chamber installation for treating objects under vacuum, method for evacuating said installation and evacuation system therefor (2007-01-02),
3. 7097431 - Mechanical kinetic vacuum pump (2006-08-29),
4. 7090469 - Turbomolecular pump (2006-08-15),
5. 7090460 - Pump embodied as a side channel pump (2006-08-15),
6. 7074026 - Multi-stage helical screw rotor (2006-07-11),
7. 7056108 - Cooled screw-type vacuum pump (2006-06-06),
8. 7011491 - Friction vacuum pump (2006-03-14),
9. 6999840 - Vacuum pump (2006-02-14),
10. 6964559 - Two shaft vacuum pump with cantilevered rotors (2005-11-15),
11. 6955076 - Foil leak detection chamber (2005-10-18),
12. 6948921 - Vacuum pump comprising an outlet (2005-09-27),
13. 6914361 - Magnetic bearing (2005-07-05),
14. 6910861 - Turbomolecular vacuum pump with the rotor and stator vanes (2005-06-28),
15. 6905306 - Mechanical kinetic vacuum pump with rotor and shaft (2005-06-14),
Leybold Vakuum GmbH is a leading manufacturer and supplier of vacuum technology solutions. With a rich history spanning over 170 years, the company offers a comprehensive range of vacuum pumps, systems, and services for various industries. Leybold focuses on innovation and sustainability, providing cutting-edge solutions for research, development, and production processes. Committed to customer satisfaction, Leybold's global presence and expertise make them a trusted partner in the field of vacuum technology.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

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53 Patents

#14 in Cologne

#1,033 in Germany

#12,954 in the World

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Cologne, Germany

Leybold Vakuum Gmbh

Forward Citations = 408

70 inventors:

goldMedal Christian Beyer (11 out of 18 patents)

silverMedal Heinrich Engländer (9 out of 19 patents)

bronzeMedal Josef Hodapp (6 out of 7 patents)

4.  Heinrich Engländer (6 out of 6 patents)

5.  Thomas Dreifert (5 out of 14 patents)

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