Growing community of inventors

Columbus, IN, United States of America

Rien Ouwerkerk

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 = 10

Rien OuwerkerkJohn H Stang (1 patent)Rien OuwerkerkChristine H Moore (1 patent)Rien OuwerkerkRien Ouwerkerk (1 patent)John H StangJohn H Stang (13 patents)Christine H MooreChristine H Moore (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Cummins Engine Company, Inc. (1 from 649 patents)


1 patent:

1. 4976225 - Cylinder head gasket for an internal combustion engine

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as of
12/6/2025
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