For the Inventor, By the Inventor

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Ettlingen, Germany

Pietzsch Ag

USPTO Granted Patents = 3

Forward Citations = 154

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9 inventors (with patents filed for the assignee):

Rolf Edelmann (2 out of 2 patents)

Rigobert Opitz (1 out of 2 patents)

Knud Overlach (1 out of 10 patents)

4. Harald Kauer (1 out of 7 patents)

5. Siegfried Gassner (1 out of 2 patents)

6. Joe Cal (1 out of 1 patent)

7. Siegfried Gassner (1 out of 1 patent)

8. Heinz Werner Pietzsch (1 out of 3 patents)

9. Jurgen Jaki (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 5673039 - Method of monitoring vehicular traffic and of providing information to (1997-09-30),

2. 5571961 - Wheel-load sensor with piezo-electric pickup and method of manufacturing (1996-11-05),

3. 5020236 - Method of measuring the distance between the axles or wheels of a (1991-06-04),

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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#10 in Ettlingen

#8,262 in Germany

Ettlingen, Germany

Pietzsch Ag

Forward Citations = 154

9 inventors:

Rolf Edelmann (2 out of 2 patents)

Rigobert Opitz (1 out of 2 patents)

Knud Overlach (1 out of 10 patents)

4. Harald Kauer (1 out of 7 patents)

5. Siegfried Gassner (1 out of 2 patents)

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