Growing community of inventors

Frankfurt am Main, Germany

Willi Schaper

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 = 3

Willi Schaper ↔ Hubert Coenen (1 patent)Willi Schaper ↔ Ulrich Paul (1 patent)Willi Schaper ↔ Carl-Adolf Eschenbach (1 patent)Willi Schaper ↔ Karl Seel (1 patent)Willi SchaperWilli Schaper (1 patent)Hubert CoenenHubert Coenen (18 patents)Ulrich PaulUlrich Paul (1 patent)Carl-Adolf EschenbachCarl-Adolf Eschenbach (1 patent)Karl SeelKarl Seel (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Passavant-werke Ag (1 from 16 patents)


1 patent:

1. 5154830 - Process of removing phosphorus and suspended matter from waste water

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as of
12/16/2025
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