For the Inventor, By the Inventor

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Ochtrup, Germany

2h Kunststoff Gmbh

USPTO Granted Patents = 2

Forward Citations = 12

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5 inventors (with patents filed for the assignee):

Bernd Hewing (2 out of 3 patents)

Franz-Josef Hagemann (1 out of 1 patent)

Lothar Stufchen (1 out of 1 patent)

4. Bernd Bolle (1 out of 1 patent)

5. Siegfried Broda (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 6145582 - Heat accumulator block for regenerated heat exchanger (2000-11-14),

2. 5350475 - Method for making a component unit for heat exchanger (1994-09-27),

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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#6 in

#10,495 in Germany

Ochtrup, Germany

2h Kunststoff Gmbh

Forward Citations = 12

5 inventors:

Bernd Hewing (2 out of 3 patents)

Franz-Josef Hagemann (1 out of 1 patent)

Lothar Stufchen (1 out of 1 patent)

4. Bernd Bolle (1 out of 1 patent)

5. Siegfried Broda (1 out of 1 patent)

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