Forward Citations = 19

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3 inventors (with patents filed for the assignee):

Hans Peter Sauer (1 out of 1 patent)

Werner Neukirch (1 out of 3 patents)

Günther Grittman (1 out of 1 patent)

1 patent: Sort by Forward Citations

1. 8684240 - Pressure reducing and regulating valve comprising a tapping mechanism for a pressure cartridge that can be attached underneath a receptacle cover (2014-04-01),

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USPTO Data Jan 1 1976 - Oct 20 2026

1 Patents

#1 in Sulzfeld

#15,376 in Germany

Sulzfeld, Germany

Diefenbacher Kunststoff Gmbh

Forward Citations = 19

3 inventors:

Hans Peter Sauer (1 out of 1 patent)

Werner Neukirch (1 out of 3 patents)

Günther Grittman (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Diefenbacher Kunststoff Gmbh. Retrieved from https://idiyas.com/company/diefenbacher-kunststoff

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]