Growing community of inventors

Erkelenz, Germany

Alois Greven

Average Co-Inventor Count = 5.00

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 = 7

Alois GrevenChristian Beyer (1 patent)Alois GrevenRainer Hölzer (1 patent)Alois GrevenHermann Boy (1 patent)Alois GrevenChristian Harig (1 patent)Alois GrevenKarl-Heinrich Völker (0 patent)Alois GrevenAlois Greven (1 patent)Christian BeyerChristian Beyer (18 patents)Rainer HölzerRainer Hölzer (6 patents)Hermann BoyHermann Boy (4 patents)Christian HarigChristian Harig (1 patent)Karl-Heinrich VölkerKarl-Heinrich Völker (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Oerlikon Leybold Vacuum Gmbh (1 from 27 patents)

2. Leybold Gmbh (29 patents)


1 patent:

1. 7544046 - Vacuum pump

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as of
12/7/2025
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