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Freudenberg, Germany

Berthold Heldmann

Average Co-Inventor Count = 2.35

ph-index = 3

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 29

Berthold HeldmannJohann Drexler (1 patent)Berthold HeldmannBardo Koppmann (16 patents)Berthold HeldmannRobert Adunka (4 patents)Berthold HeldmannGeorg Bollinger (1 patent)Berthold HeldmannEugen Mayer (1 patent)Berthold HeldmannBerthold Heldmann (4 patents)Johann DrexlerJohann Drexler (18 patents)Bardo KoppmannBardo Koppmann (16 patents)Robert AdunkaRobert Adunka (8 patents)Georg BollingerGeorg Bollinger (5 patents)Eugen MayerEugen Mayer (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Siemens Aktiengesellschaft (4 from 30,028 patents)


4 patents:

1. 7679887 - Switching system comprising switchgear that can be contacted via pin contacts

2. 7604516 - Power feeding module

3. 7597578 - Mounting device having de-energized and energized positions for a switchgear mounted thereon

4. 7586052 - Electromechanical switching device

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12/5/2025
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