Growing community of inventors

St. Thomas, Canada

John R Vann

Average Co-Inventor Count = 2.86

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 = 39

John R Vann ↔ David J Rider (2 patents)John R Vann ↔ John A Lane (1 patent)John R Vann ↔ Hon Kuen Leong (1 patent)John R Vann ↔ Wilson Hing Wah Ma (1 patent)John R VannJohn R Vann (2 patents)David J RiderDavid J Rider (3 patents)John A LaneJohn A Lane (111 patents)Hon Kuen LeongHon Kuen Leong (3 patents)Wilson Hing Wah MaWilson Hing Wah Ma (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Welch Allyn, Inc. (2 from 874 patents)


2 patents:

1. D802768 - Medical device

2. D788620 - Weight measurement device

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as of
1/17/2026
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