Growing community of inventors

Etting, Germany

Rolf Keitel

Average Co-Inventor Count = 3.00

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

Rolf Keitel ↔ Ernst-Olav Pagel (1 patent)Rolf Keitel ↔ Ludwig Drexler (1 patent)Rolf Keitel ↔ Werner Sontheimer (0 patent)Rolf Keitel ↔ Guido Greisiger (0 patent)Rolf Keitel ↔ Klaus Hofmann (0 patent)Rolf KeitelRolf Keitel (1 patent)Ernst-Olav PagelErnst-Olav Pagel (11 patents)Ludwig DrexlerLudwig Drexler (1 patent)Werner SontheimerWerner Sontheimer (0 patent)Guido GreisigerGuido Greisiger (0 patent)Klaus HofmannKlaus Hofmann (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Audi Nsu Auto Union Aktiengesellschaft (1 from 117 patents)

2. Man Truck & Bus Ag (208 patents)


1 patent:

1. 4328480 - System for monitoring the lubricating-oil pressure of an engine

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1/14/2026
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