Growing community of inventors

Warngau, Germany

Helmut Stoff

Average Co-Inventor Count = 1.15

ph-index = 1

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 = 3

Helmut StoffSteffen Jennek (1 patent)Helmut StoffJoerg Nikolaus Schweisfurth (1 patent)Helmut StoffHelmut Stoff (5 patents)Steffen JennekSteffen Jennek (3 patents)Joerg Nikolaus SchweisfurthJoerg Nikolaus Schweisfurth (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Siemens Aktiengesellschaft (3 from 30,061 patents)

2. Siemens Mobility Gmbh (2 from 438 patents)


5 patents:

1. 11981358 - Arrangement for positioning a transformer in a rail vehicle

2. 11904910 - Variable transformer holding device for e-locos

3. 10040435 - Method for braking a rail vehicle and open-loop and/or closed-loop control device for a brake system

4. 9854702 - Compressed-air rack for an electric locomotive

5. 8869951 - Modular brake device

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as of
1/12/2026
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