Growing community of inventors

Sipplingen, Germany

Volker Pfeifer

Average Co-Inventor Count = 4.00

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 = 16

Volker Pfeifer ↔ Martin Patrick Spindler (2 patents)Volker Pfeifer ↔ Henry Friedrich Ferdinand Klemm (2 patents)Volker Pfeifer ↔ Byron Peter Hutten (2 patents)Volker Pfeifer ↔ Henry Friedrich Ferdinand Klemm (0 patent)Volker PfeiferVolker Pfeifer (2 patents)Martin Patrick SpindlerMartin Patrick Spindler (20 patents)Henry Friedrich Ferdinand KlemmHenry Friedrich Ferdinand Klemm (4 patents)Byron Peter HuttenByron Peter Hutten (4 patents)Henry Friedrich Ferdinand KlemmHenry Friedrich Ferdinand Klemm (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Illinois Tool Works Inc. (2 from 7,587 patents)


2 patents:

1. 9914271 - Device for dispensing tire sealant

2. 9302654 - Device for dispensing tire sealant

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as of
12/17/2025
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