Growing community of inventors

Langenfeld, Germany

Siegfried Spanner

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 = 19

Siegfried Spanner ↔ Ralf L Klinkhammer (1 patent)Siegfried Spanner ↔ Gerd Seibel (1 patent)Siegfried Spanner ↔ Heinz Nebel (1 patent)Siegfried Spanner ↔ Franz-Heinz Dunkel (1 patent)Siegfried SpannerSiegfried Spanner (1 patent)Ralf L KlinkhammerRalf L Klinkhammer (4 patents)Gerd SeibelGerd Seibel (1 patent)Heinz NebelHeinz Nebel (1 patent)Franz-Heinz DunkelFranz-Heinz Dunkel (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

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


1 patent:

1. 4228579 - Method and apparatus for winding a strip of film and for inserting it in

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