Growing community of inventors

Frisco, TX, United States of America

Daniel B Hafen

Average Co-Inventor Count = 3.00

ph-index = 2

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 = 19

Daniel B HafenClinton A Branch (2 patents)Daniel B HafenJeffrey W Kilpatrick (2 patents)Daniel B HafenDaniel B Hafen (2 patents)Clinton A BranchClinton A Branch (20 patents)Jeffrey W KilpatrickJeffrey W Kilpatrick (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Shockwatch, Inc. (2 from 34 patents)


2 patents:

1. 9423312 - Impact indicator

2. 8863683 - Impact indicator

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as of
1/9/2026
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