Growing community of inventors

San Antonio, TX, United States of America

David S Hill

Average Co-Inventor Count = 1.00

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 = 10

David S HillDavid S Hill (5 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (4 from 832,812 patents)

2. Classic Brands, LLC (1 from 75 patents)


5 patents:

1. 10813343 - Animal feeder

2. 9655345 - Tilting feeder

3. 9192148 - Apparatus for feeding birds

4. 8893659 - Hummingbird feeding apparatus

5. 8387567 - Hummingbird feeding apparatus

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as of
12/19/2025
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