CIPO Patents = 1

EPO Patents = 5

Trademarks = 7

Forward Citations = 5

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6 inventors (with patents filed for the assignee):

Ulrich Gerhard Baudis (4 out of 9 patents)

Michel Heinrich (1 out of 1 patent)

Hans-Helmut Trapp (1 out of 1 patent)

4. Michael Merz (1 out of 1 patent)

5. Michael Niedermeyer (1 out of 1 patent)

6. Stefan Wigger (1 out of 5 patents)

7. Heinrich Michel (2 patents)

5 patents: Sort by Forward Citations

1. 8747573 - Method for producing corrosion-resistant surfaces of nitrated or nitrocarburated steel components (2014-06-10),

2. 8092214 - Method for continuous mixing and melting inorganic salts and furnace installation for realizing the method (2012-01-10),

3. 8083866 - Method for hardening the surfaces of work pieces made of stainless steel, and a molten salt bath for realizing the method (2011-12-27),

4. 7909943 - Method for hardening stainless steel and molten salt bath for realizing said process (2011-03-22),

5. 6964712 - Hardening protection compositions for partial carburization of metallic components (2005-11-15),

Company Overview

Durferrit GmbH is a leading manufacturer of high-quality industrial coatings for metal surfaces. With a rich history of innovation and expertise, the company offers a wide range of corrosion protection solutions for various industries. Durferrit's products are known for their durability, reliability, and superior performance, making them a trusted partner for customers worldwide.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

5 Patents

#41 in G-6800 Mannheim

#6,097 in Germany

Mannheim, Germany

Durferrit Gmbh

Forward Citations = 5

6 inventors:

Ulrich Gerhard Baudis (4 out of 9 patents)

Michel Heinrich (1 out of 1 patent)

Hans-Helmut Trapp (1 out of 1 patent)

4. Michael Merz (1 out of 1 patent)

5. Michael Niedermeyer (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Durferrit Gmbh. Retrieved from https://idiyas.com/company/durferrit

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

1 patent (CIPO):

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

5 patents (EPO):

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]