Forward Citations = 17

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5 inventors (with patents filed for the assignee):

Josef Gerretz (2 out of 10 patents)

Klaus Rehag (2 out of 9 patents)

Hans-Gunter Schiffers (1 out of 1 patent)

4. Herbert Jansen (1 out of 1 patent)

5. Richard Gerretz (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 4577483 - System for the continuous operation of a cold pilger rolling mill (1986-03-25),

2. 4547082 - Bearing construction of a crankshaft of a cold Pilger rolling mill, or (1985-10-15),

3. 4537407 - Apparatus for testing pipes by a pipe tester (1985-08-27),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

3 Patents

#366 in Pittsburgh, PA

#2,682 in Pennsylvania

#73,860 in US

Pittsburgh, PA, United States of America

Mannesmann Demag Wean

Forward Citations = 17

5 inventors:

Josef Gerretz (2 out of 10 patents)

Klaus Rehag (2 out of 9 patents)

Hans-Gunter Schiffers (1 out of 1 patent)

4. Herbert Jansen (1 out of 1 patent)

5. Richard Gerretz (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Mannesmann Demag Wean. Retrieved from https://idiyas.com/company/mannesmann-demag-wean

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]