Forward Citations = 36

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9 inventors (with patents filed for the assignee):

Wolfgang Holzapfel (2 out of 113 patents)

Peter Speckbacher (1 out of 24 patents)

Walter Huber (1 out of 33 patents)

4. Walter Kranitzky (1 out of 11 patents)

5. Georg Flatscher (1 out of 9 patents)

6. Michael Allgäuer (1 out of 2 patents)

7. Anton Sailer (1 out of 2 patents)

8. Walburga Kern (1 out of 1 patent)

9. Elmar Josef Mayer (1 out of 35 patents)

4 patents: Sort by Forward Citations

1. 6825647 - Method for testing a frequency converter (2004-11-30),

2. 6794637 - Optical device for measuring position (2004-09-21),

3. 6541761 - Optical position measuring system with a graduation that causes essentially only first orders of diffraction (2003-04-01),

4. 6445456 - Photoelectric position measuring device (2002-09-03),

Dr. Johannes Heidenhain GmbH is a leading manufacturer of precision measurement and control equipment. Founded in 1889, the company is known for its high-quality products including linear and rotary encoders, digital readouts, and CNC systems. With a commitment to innovation and reliability, Heidenhain serves a diverse range of industries worldwide, such as aerospace, automotive, and medical technology.

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

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USPTO Data Jan 1 1976 - Dec 9 2025

4 Patents

#4 in Traunreut

#6,922 in Germany

Traunreut, Germany

Dr. Johannas Heidenhain Gmbh