Growing community of inventors

Essex Junction, VT, United States of America

David R Crawford

Average Co-Inventor Count = 5.00

ph-index = 1

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 = 369

David R CrawfordMousa H Ishaq (2 patents)David R CrawfordJoseph K Comeau (2 patents)David R CrawfordTracy Charles Hetrick (2 patents)David R CrawfordRobert E Desrosiers (2 patents)David R CrawfordDavid R Crawford (2 patents)Mousa H IshaqMousa H Ishaq (13 patents)Joseph K ComeauJoseph K Comeau (5 patents)Tracy Charles HetrickTracy Charles Hetrick (4 patents)Robert E DesrosiersRobert E Desrosiers (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. International Business Machines Corporation (1 from 164,108 patents)

2. Globalfoundries Inc. (1 from 5,671 patents)


2 patents:

1. 9847213 - Vacuum trap

2. 9057388 - Vacuum trap

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as of
12/3/2025
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