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Cologne, Germany

Leybold-heraeus Gmbh & Co. Kg

USPTO Granted Patents = 40

Forward Citations = 490

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58 inventors (with patents filed for the assignee):

Karl Jericho (3 out of 6 patents)

Gerhard Kienel (3 out of 4 patents)

Albert Randow (3 out of 8 patents)

4. Joachim Floymayr (3 out of 3 patents)

5. Uwe Reimpell (3 out of 10 patents)

6. Werner Bachler (3 out of 6 patents)

7. Hans Aichert (2 out of 16 patents)

8. Dieter Drechsel (2 out of 7 patents)

9. Friedrich W Thomas (2 out of 8 patents)

10. Peter Sommerkamp (2 out of 3 patents)

11. Anton Wamser (2 out of 2 patents)

12. Helmut Theodor Grof (2 out of 2 patents)

13. Rudiger Frank (2 out of 2 patents)

14. Hans-Dietrich Polaschegg (2 out of 2 patents)

15. Gunther Schunck (2 out of 2 patents)

40 patents: Sort by Forward Citations

1. 4328947 - Pendulum gate valve (1982-05-11),

2. 4295808 - Apparatus for the production of high-purity metal powder by means of (1981-10-20),

3. 4218424 - Apparatus for the zone pulling of monocrystal rods (1980-08-19),

4. 4218410 - Method for the production of high-purity metal powder by means of (1980-08-19),

5. 4207835 - Arrangement and photometer for measuring and controlling the thickness (1980-06-17),

6. 4207031 - Dual speed rotary vane pump (1980-06-10),

7. 4194078 - Apparatus for regulating the depth of immersion of consumable electrodes (1980-03-18),

8. 4186173 - Apparatus for producing monocrystals (1980-01-29),

9. 4172477 - Generation of high vacuums (1979-10-30),

10. 4172378 - Liquefied gas leakage calibration source (1979-10-30),

11. 4161560 - Method of producing antireflective coatings on acrylic glasses, optical (1979-07-17),

12. 4161547 - Method of producing antireflective coatings on (1979-07-17),

13. 4158771 - Ion filter and method of making the same (1979-06-19),

14. 4155010 - Process for the photo-optical measurement of the absorption behavior of (1979-05-15),

15. 4154087 - Microrheoscopic detector for gases (1979-05-15),

Leybold-Heraeus GmbH & Co. KG is a leading manufacturer of vacuum pumps, systems, and components. With a history dating back over 170 years, the company offers a wide range of innovative solutions for various industries, including semiconductor manufacturing, research and development, electronics, and automotive. Leybold-Heraeus is committed to delivering high-quality products and services that meet the ever-evolving demands of its customers. Visit their website to learn more about their extensive product portfolio and expertise in vacuum technology.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

40 Patents

#18 in Cologne

#1,293 in Germany

#16,544 in the World

Cologne, Germany

Leybold-heraeus Gmbh & Co. Kg

Forward Citations = 490

58 inventors:

Karl Jericho (3 out of 6 patents)

Gerhard Kienel (3 out of 4 patents)

Albert Randow (3 out of 8 patents)

4. Joachim Floymayr (3 out of 3 patents)

5. Uwe Reimpell (3 out of 10 patents)

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