For the Inventor, By the Inventor

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Lennestadt, Germany

Dipl.-ing. Paul Schmidt

USPTO Granted Patents = 2

Forward Citations = 10

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4 inventors (with patents filed for the assignee):

Franz-Josef Püttmann (2 out of 42 patents)

Gerhard Balve (1 out of 9 patents)

Alfons Hesse (1 out of 28 patents)

4. Paul Schmidt (1 out of 18 patents)

2 patents: Sort by Forward Citations

1. 5148878 - Ram boring machine (1992-09-22),

2. 5013880 - Process for welding a follower pipe to a buried pipe string (1991-05-07),

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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#6 in Lennestadt

#10,495 in Germany

Lennestadt, Germany

Dipl.-ing. Paul Schmidt

Forward Citations = 10

4 inventors:

Franz-Josef Püttmann (2 out of 42 patents)

Gerhard Balve (1 out of 9 patents)

Alfons Hesse (1 out of 28 patents)

4. Paul Schmidt (1 out of 18 patents)

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