Growing community of inventors

Weyhe, Germany

Hilmar Petrowitsch

Average Co-Inventor Count = 3.00

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 = 9

Hilmar PetrowitschRoland Felkai (1 patent)Hilmar PetrowitschUwe Lenk (1 patent)Hilmar PetrowitschHilmar Petrowitsch (1 patent)Roland FelkaiRoland Felkai (2 patents)Uwe LenkUwe Lenk (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Erno Raumfahrttechnik Gmbh (1 from 52 patents)


1 patent:

1. 5028828 - Dual drive mechanism with a redundant feature

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as of
12/20/2025
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