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Leybold Systems Gmbh

USPTO Granted Patents = 51

Trademarks = 1

Forward Citations = 399

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77 inventors (with patents filed for the assignee):

Michael Liehr (9 out of 10 patents)

Joachim Aufreiter (5 out of 9 patents)

Klaus Michael (5 out of 11 patents)

4. Wilfried Dicken (4 out of 5 patents)

5. Joachim Szczyrbowski (4 out of 43 patents)

6. Klaus Nauenburg (4 out of 4 patents)

7. Burkhard Altekrüger (4 out of 4 patents)

8. Jürgen Henrich (3 out of 13 patents)

9. Helmut Grimm (3 out of 10 patents)

10. Winfried Schulmann (3 out of 11 patents)

11. Johann Scholler (3 out of 5 patents)

12. Heinrich Grünwald (3 out of 3 patents)

13. Klaus Kalkowski (3 out of 5 patents)

14. Jürgen Henrich (3 out of 3 patents)

15. Tomas Baumecker (3 out of 3 patents)

Core Competencies:

Vapor Deposition

Sputtering Device

Crystal Pulling Unit

Vacuum Chamber

Plasma Generation

Coating Substrates

Thin Layer Deposition

Thermally-Insulating Coating

Optical Digital Media

Dust Precipitator

Metallizing Device

51 patents: Sort by Forward Citations

1. 6488384 - Method for the coating of substrates made of plastic (2002-12-03),

2. 6451178 - Interference layer system (2002-09-17),

3. 6426144 - Process for coating plastic substrates (2002-07-30),

4. 6416292 - Method for transporting at least one vaporous substance through the wall of a vacuum chamber and into the vacuum chamber and a device for executing and utilizing the method (2002-07-09),

5. 6341173 - Device and method for the determination of diameters of crystals (2002-01-22),

6. 6335054 - Air lock for introducing substrates to and/or removing them from a treatment chamber (2002-01-01),

7. 6332525 - Vacuum chamber for flat substrates (2001-12-25),

8. 6309466 - Vapor deposition apparatus (2001-10-30),

9. 6299684 - Grip arranged on a pull shaft of a crystal pulling system (2001-10-09),

10. 6277192 - Crystal pulling unit (2001-08-21),

11. 6242053 - Process for coating plastic containers or glass containers by means of a PCVD coating process (2001-06-05),

12. 6241824 - Apparatus for the coating of substrates in a vacuum chamber (2001-06-05),

13. 6231669 - Crystal pulling unit (2001-05-15),

14. 6207028 - Sputtering device with a cathode with permanent magnet system (2001-03-27),

15. 6206975 - Vacuum treatment system for application of thin, hard layers (2001-03-27),

Leybold Systems GmbH is a global leader in vacuum technology, offering a wide range of innovative solutions for research, industrial, and analytical applications. With over 170 years of experience, Leybold Systems GmbH designs and manufactures advanced vacuum pumps, systems, and components to meet the diverse needs of customers worldwide.

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Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

51 Patents

#9 in Hanau

#1,070 in Germany

#13,381 in the World

Leybold Systems Gmbh

Forward Citations = 399

77 inventors:

Michael Liehr (9 out of 10 patents)

Joachim Aufreiter (5 out of 9 patents)

Klaus Michael (5 out of 11 patents)

4. Wilfried Dicken (4 out of 5 patents)

5. Joachim Szczyrbowski (4 out of 43 patents)

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