Growing community of inventors

Grand Rapids, MI, United States of America

David W Koetsier

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 = 2

David W KoetsierWilliam Dean Bauman (1 patent)David W KoetsierRobert H Erhardt (1 patent)David W KoetsierDavid W Koetsier (1 patent)William Dean BaumanWilliam Dean Bauman (5 patents)Robert H ErhardtRobert H Erhardt (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Delphi Technologies, Inc. (1 from 5,161 patents)


1 patent:

1. 6874234 - Process for forming steel roller bearings

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as of
12/8/2025
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