Growing community of inventors

Santa Barbara, CA, United States of America

William R Hatchmann

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 = 18

William R Hatchmann ↔ Arlen M Knight (1 patent)William R Hatchmann ↔ Lawrence E Stoltz (1 patent)William R HatchmannWilliam R Hatchmann (1 patent)Arlen M KnightArlen M Knight (5 patents)Lawrence E StoltzLawrence E Stoltz (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kleen-Rite Upholstery & Carpet Cleaning System (1 from 1 patent)


1 patent:

1. 4974282 - Upholstery cleaning system

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as of
1/11/2026
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