Growing community of inventors

Radevormwald, Germany

Gerhard Zapf

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 = 17

Gerhard Zapf ↔ Rainer Rohlig (1 patent)Gerhard Zapf ↔ Horst Kiethe (1 patent)Gerhard Zapf ↔ Lothar Albano-Muller (1 patent)Gerhard Zapf ↔ Christoph Vierling (0 patent)Gerhard Zapf ↔ Burkhard Ritter (0 patent)Gerhard ZapfGerhard Zapf (1 patent)Rainer RohligRainer Rohlig (3 patents)Horst KietheHorst Kiethe (1 patent)Lothar Albano-MullerLothar Albano-Muller (1 patent)Christoph VierlingChristoph Vierling (0 patent)Burkhard RitterBurkhard Ritter (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sintermetallwerk Krebsoege Gmbh (1 from 1 patent)

2. Dahle Bürotechnik Gmbh (0 patent)


1 patent:

1. 4032335 - Process for making metallic, molded composite bodies

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as of
1/17/2026
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