Durferrit Gmbh Thermotechnik

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USPTO Granted Patents = 5

Trademarks = 1

Forward Citations = 11

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11 inventors (with patents filed for the assignee):

Georg Wahl (4 out of 7 patents)

Matthias Kremer (3 out of 3 patents)

Eberhard Gock (2 out of 5 patents)

4. Stefan Wigger (2 out of 5 patents)

5. Jorg Kahler (2 out of 2 patents)

6. Eberhard Mueller (1 out of 1 patent)

7. Peter Schalke (1 out of 1 patent)

8. Tokuo Sato (1 out of 1 patent)

9. George Wahl (1 out of 1 patent)

10. Mattias Kremer (1 out of 1 patent)

11. Rainer Willing-Lepenies (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 5846501 - Process for the selective recovery of the salt constituents from used (1998-12-08),

2. 5769906 - Process for recovering the salt constituents from hardening-shop salt (1998-06-23),

3. 5735971 - Method for the Pre-treatment of steel parts prior to salt bath nitriding (1998-04-07),

4. 5527018 - Filter unit and apparatus for desludging salt baths (1996-06-18),

5. 5453109 - Method for the preparation of a hardening salt in piece form and product (1995-09-26),

Company Overview

Durferrit GmbH Thermotechnik is a leading manufacturer of high-quality thermal processing solutions. With over 50 years of experience, Durferrit offers a wide range of products including heat treatment salts, quenching oils, and technical services for various industries. Their innovative solutions and commitment to customer satisfaction have made them a trusted partner in the thermal processing industry.

Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

5 Patents

#41 in G-6800 Mannheim

#6,108 in Germany

Mannheim, Germany