Growing community of inventors

Allen, TX, United States of America

David Todd Ernst

Average Co-Inventor Count = 3.00

ph-index = 6

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 = 89

David Todd ErnstJeff R Summers (8 patents)David Todd ErnstDarin Miller (8 patents)David Todd ErnstDavid Todd Ernst (8 patents)Jeff R SummersJeff R Summers (9 patents)Darin MillerDarin Miller (8 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Quest Medical, Inc. (8 from 50 patents)


8 patents:

1. D570880 - Two-port fluid manifold

2. D570373 - Three-port fluid manifold

3. D569391 - Three-port flat fluid manifold

4. D557282 - Single-port fluid manifold

5. D557283 - Single-port fluid manifold

6. D557284 - Single-port fluid manifold

7. D557285 - Single-port fluid manifold

8. D557281 - Six-port fluid manifold

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as of
12/26/2025
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