Growing community of inventors

Thedinghausen, Germany

Volker Hartmann

Average Co-Inventor Count = 6.00

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 = 13

Volker Hartmann ↔ Otto Schroers (2 patents)Volker Hartmann ↔ Wolfgang Hoeppner (2 patents)Volker Hartmann ↔ Holger Herrmann (2 patents)Volker Hartmann ↔ Hartmut Pawel (2 patents)Volker Hartmann ↔ Thorsten Buddenberg (2 patents)Volker Hartmann ↔ Uwe Hilmer (0 patent)Volker Hartmann ↔ Wolfgang Höppner (0 patent)Volker HartmannVolker Hartmann (2 patents)Otto SchroersOtto Schroers (6 patents)Wolfgang HoeppnerWolfgang Hoeppner (2 patents)Holger HerrmannHolger Herrmann (2 patents)Hartmut PawelHartmut Pawel (2 patents)Thorsten BuddenbergThorsten Buddenberg (2 patents)Uwe HilmerUwe Hilmer (0 patent)Wolfgang HöppnerWolfgang Höppner (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Stockhausen Gmbh & Co Kg (2 from 69 patents)

2. Detlef Hegeman Gmbh & Co. Kg (1 from 1 patent)

3. Detlef Hegemann Gmbh & Co. Kg (1 from 1 patent)

4. Ashland Licensing and Intellectual Property LLC (107 patents)

5. Infrasoil-systems Gmbh (0 patent)


2 patents:

1. 7811458 - Method for treating aqueous sludge, material so produced and the use thereof

2. 7553423 - Method for treating aqueous sludge, material so produced and the use thereof

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12/19/2025
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