Growing community of inventors

Essen, Germany

Stefan Hackel

Average Co-Inventor Count = 4.00

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 = 15

Stefan HackelHerbert Casel (1 patent)Stefan HackelGerd Nebe (1 patent)Stefan HackelStefan Hackel (1 patent)Herbert CaselHerbert Casel (3 patents)Gerd NebeGerd Nebe (2 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Robert Schroder Gmbh & Co. (1 from 2 patents)


1 patent:

1. 6058812 - Screwing tool with a ratchet

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