Forward Citations = 72

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5 inventors (with patents filed for the assignee):

Franz Bohlender (3 out of 59 patents)

Hans-Peter Feustel (1 out of 7 patents)

Klaus Beetz (1 out of 7 patents)

4. Norbert Buchlaub (1 out of 2 patents)

5. Josef David (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 6402943 - Diesel filter system (2002-06-11),

2. 5990459 - System for controlling a plurality of resistive heating elements (1999-11-23),

3. 4814584 - Profiled PCT heater for heating a tubular member (1989-03-21),

4. D296239 - Baby feeding bottle sterilizer or similar article (1988-06-14),

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

4 Patents

#224 in

#7,032 in Germany

DE

David + Baader - Dbk

Forward Citations = 72

5 inventors:

Franz Bohlender (3 out of 59 patents)

Hans-Peter Feustel (1 out of 7 patents)

Klaus Beetz (1 out of 7 patents)

4. Norbert Buchlaub (1 out of 2 patents)

5. Josef David (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: David + Baader - Dbk. Retrieved from https://idiyas.com/company/david-plus-baader-dbk

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]