Growing community of inventors

Mt. Holly, NC, United States of America

David Brent Harrelson

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 = 21

David Brent HarrelsonJames Michael Glazewski (3 patents)David Brent HarrelsonMatthew Robert Hudson (3 patents)David Brent HarrelsonDavid Brent Harrelson (6 patents)James Michael GlazewskiJames Michael Glazewski (5 patents)Matthew Robert HudsonMatthew Robert Hudson (3 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Mann+hummel Filtration Technology Group Inc. (3 from 9 patents)

2. Other (2 from 832,880 patents)

3. Mann+hummel Filtration Technology US LLC (1 from 19 patents)


6 patents:

1. 11413559 - J-hook filter assembly

2. 10507413 - Filter end cap

3. 10493385 - J-hook filter assembly

4. 10369502 - Spin-on filter using snap-fit

5. 7171719 - Disposal apparatus

6. 6969325 - Golf club, a method for reducing the drag experienced by a golf club, and a golf club formed by a new and novel process which reduces drag as the golf club is utilized

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as of
1/3/2026
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