Growing community of inventors

Christine, ND, United States of America

Keith S Allen

Average Co-Inventor Count = 1.50

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 = 24

Keith S AllenJohn D Allen (1 patent)Keith S AllenPaul Hempel (1 patent)Keith S AllenKeith S Allen (3 patents)John D AllenJohn D Allen (10 patents)Paul HempelPaul Hempel (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (3 from 832,966 patents)


3 patents:

1. 7284942 - Motorcycle slider

2. 6840299 - Carpet removal system

3. 6210095 - Carpet loading system

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as of
1/19/2026
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