Growing community of inventors

Appleton, WI, United States of America

David Prey

Average Co-Inventor Count = 3.00

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 = 0

David Prey ↔ Bernard J Vogel (1 patent)David Prey ↔ Mark Andrew Ulrich (1 patent)David PreyDavid Prey (1 patent)Bernard J VogelBernard J Vogel (57 patents)Mark Andrew UlrichMark Andrew Ulrich (23 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Illinois Tool Works Inc. (1 from 7,590 patents)


1 patent:

1. 11536776 - Methods and apparatus for servicing welding equipment

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12/26/2025
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