Growing community of inventors

Garden Grove, CA, United States of America

Darrell W Rall

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 = 6

Darrell W RallDouglas Schenk (1 patent)Darrell W RallWilliam P Yetter (1 patent)Darrell W RallDarrell W Rall (1 patent)Douglas SchenkDouglas Schenk (6 patents)William P YetterWilliam P Yetter (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Parker-Hannifin Corporation (1 from 1,665 patents)


1 patent:

1. 7401404 - Retainer gasket construction

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1/9/2026
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