Forward Citations = 19

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4 inventors (with patents filed for the assignee):

Erich Scheer (3 out of 5 patents)

Wolfgang Fehrenbacher (2 out of 8 patents)

Rudolf Broghammer (1 out of 2 patents)

4. Franz Kaser (1 out of 2 patents)

6 patents: Sort by Forward Citations

1. 4400094 - Alarm-setting mechanism for timepiece with escapement protecting against (1983-08-23),

2. 4308606 - Clock with rotary pendulum (1981-12-29),

3. 4276625 - Bell-striking clock (1981-06-30),

4. 4251877 - Clock, especially striker clock (1981-02-17),

5. 4242748 - Electric alarm clock (1980-12-30),

6. 4187499 - Electrical programmer for the automatic control of a household appliance (1980-02-05),

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USPTO Data Jan 1 1976 - Oct 13 2026

6 Patents

#1 in Schwarzwald

#5,403 in Germany

Schwarzwald, Germany

Kundo - Kieninger + Obergfell

Forward Citations = 19

4 inventors:

Erich Scheer (3 out of 5 patents)

Wolfgang Fehrenbacher (2 out of 8 patents)

Rudolf Broghammer (1 out of 2 patents)

4. Franz Kaser (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kundo - Kieninger + Obergfell. Retrieved from https://idiyas.com/company/kundo-kieninger-plus-obergfell

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]