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For the Inventor, By the Inventor

Bochum, Germany

P-d Refractories Gmbh


USPTO Granted Patents = 3


Forward Citations = 0

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4 inventors (with patents filed for the assignee):

goldMedal Søren Gyde Thomsen (3 out of 9 patents)

silverMedal Johannes Ruben Larsen (3 out of 4 patents)

bronzeMedal Thomas Sandahl Christensen (3 out of 23 patents)

4.  Fred Brunk (3 out of 4 patents)


3 patents:

1. 12497338 - Shaped and fired zirconia refractory material (2025-12-16),
2. 11795118 - Combustion chamber hot face refractory lining (2023-10-24),
3. 11713282 - Combustion chamber hot face refractory lining (2023-08-01),
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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#27 in Bochum

#8,304 in Germany

...
Bochum, Germany

P-d Refractories Gmbh

Forward Citations = 0

4 inventors:

goldMedal Søren Gyde Thomsen (3 out of 9 patents)

silverMedal Johannes Ruben Larsen (3 out of 4 patents)

bronzeMedal Thomas Sandahl Christensen (3 out of 23 patents)

4.  Fred Brunk (3 out of 4 patents)

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