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Weiskirchen, Germany

Friedhelm Steffen

Average Co-Inventor Count = 1.00

ph-index = 2

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

Friedhelm SteffenFriedhelm Steffen (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Saar-Gummiwerk Gmbh (2 from 13 patents)


2 patents:

1. 6024364 - All-purpose sealing profile

2. 5932312 - Profiled seal for large gap widths

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