Growing community of inventors

Eau Claire, WI, United States of America

Steven H Crawley

Average Co-Inventor Count = 1.33

ph-index = 3

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 = 31

Steven H CrawleyCurt Tambornino (2 patents)Steven H CrawleySteven H Crawley (4 patents)Curt TamborninoCurt Tambornino (29 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Curt Manufacturing, LLC (4 from 60 patents)


4 patents:

1. 7543837 - Single handed controlled trailer hitch

2. 7475899 - Trailer hitch

3. D572633 - Base for fifth wheel hitch

4. D560143 - Skid plate for fifth wheel hitch

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as of
12/15/2025
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