Company Filing History:

6 out of 393

Leybold Aktiengesellschaft

patents

1 out of 1

Balzer Und Leybold Deutschland Holding Ag

Years Active: 1991-2002

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6495216 - Apparatus and method for electron beam evaporation (2002-12-17),

2. 6171462 - Device for holding lenses, especially for eye glasses to be coated in a vacuum coating or sputtering machine (2001-01-09),

3. 5140223 - Circuit for adjusting the impedance of a plasma section to a (1992-08-18),

4. 5106346 - Planetary gear system with a set of gears, particularly for devices for (1992-04-21),

5. 5087800 - High frequency, large current, switch including a pressure-actuated (1992-02-11),

6. 5053725 - Circuit configuration for the automatic tuning of a matching network (1991-10-01),

7. 5049840 - Cooling device for electrical circuit configurations (1991-09-17),

8. 5034577 - Fluid actuated electrical switch (1991-07-23),

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Company Filing History:

Years Active: 1991-2002