Growing community of inventors

Leverkusen, Germany

Willy Engels

Average Co-Inventor Count = 2.00

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

Willy EngelsWolfgang Viehrig (1 patent)Willy EngelsWilly Engels (1 patent)Wolfgang ViehrigWolfgang Viehrig (13 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Agfa-Gevaert Ag (1 from 1,473 patents)


1 patent:

1. 4406534 - Arrangement for transferring photosensitive material from cassettes into

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/13/2026
Loading…