Growing community of inventors

Pasadena, MD, United States of America

David L Marsh

Average Co-Inventor Count = 1.47

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

David L MarshMatthew L Fourney (2 patents)David L MarshJames L Brun (2 patents)David L MarshChristopher B Spicer (2 patents)David L MarshRobert K Paquin (2 patents)David L MarshDavid L Marsh (5 patents)Matthew L FourneyMatthew L Fourney (75 patents)James L BrunJames L Brun (3 patents)Christopher B SpicerChristopher B Spicer (3 patents)Robert K PaquinRobert K Paquin (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Laitram, LLC (2 from 658 patents)

2. Other (1 from 832,912 patents)


5 patents:

1. 12139350 - Apparatus and methods for dynamically controlling the spacing of conveyed objects

2. 11807473 - Apparatus and methods for dynamically controlling the spacing of conveyed objects

3. D752256 - Illumination device

4. 5740720 - Multiple-doughnut fryer system

5. D335096 - Bluff body flowmeter

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as of
1/10/2026
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