Growing community of inventors

Kennett Square, PA, United States of America

David P O'Bryan

Average Co-Inventor Count = 3.48

ph-index = 8

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 = 518

David P O'BryanGary T Smith (5 patents)David P O'BryanBingham Hood Van Dyke, Jr (5 patents)David P O'BryanMichael John Campanelli (5 patents)David P O'BryanPeter J Sagona (4 patents)David P O'BryanBingham H Van Dyke, Jr (2 patents)David P O'BryanKevin N Constable (2 patents)David P O'BryanMichael Bucholtz (1 patent)David P O'BryanPeter Joseph Sagona (0 patent)David P O'BryanDavid P O'Bryan (9 patents)Gary T SmithGary T Smith (12 patents)Bingham Hood Van Dyke, JrBingham Hood Van Dyke, Jr (9 patents)Michael John CampanelliMichael John Campanelli (9 patents)Peter J SagonaPeter J Sagona (31 patents)Bingham H Van Dyke, JrBingham H Van Dyke, Jr (2 patents)Kevin N ConstableKevin N Constable (2 patents)Michael BucholtzMichael Bucholtz (3 patents)Peter Joseph SagonaPeter Joseph Sagona (0 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Bayer Corporation (5 from 1,013 patents)

2. Other (2 from 832,966 patents)

3. Smithkline Beecham Corporation (2 from 2,198 patents)

4. Quest Diagnostics Investments, Inc. (479 patents)


9 patents:

1. 6702988 - Automatic on-site drug testing system and method

2. 6488669 - Collection cup for an automatic on-site drug testing system

3. 5966309 - Clinically testing biological samples

4. D414273 - Puck spring for a sample tube holder

5. 5897090 - Puck for a sample tube

6. D405192 - Puck housing

7. D402766 - Puck

8. D402765 - Puck end cap

9. 5623415 - Automated sampling and testing of biological materials

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idiyas.com
as of
1/16/2026
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