Growing community of inventors

Tampa, FL, United States of America

David D N Vann

Average Co-Inventor Count = 12.00

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 = 78

David D N VannRobert B Bertolasi (1 patent)David D N VannDean J Bratel (1 patent)David D N VannFrederic E Nystrom (1 patent)David D N VannMark B Wilson (1 patent)David D N VannRobert N Schenk (1 patent)David D N VannMichael B Gee (1 patent)David D N VannSteven B Hall (1 patent)David D N VannDana L Birkland (1 patent)David D N VannRussel E Gates (1 patent)David D N VannDarryl S Babu (1 patent)David D N VannKlaus Meyersieck (1 patent)David D N VannDavid D N Vann (1 patent)Robert B BertolasiRobert B Bertolasi (10 patents)Dean J BratelDean J Bratel (3 patents)Frederic E NystromFrederic E Nystrom (2 patents)Mark B WilsonMark B Wilson (2 patents)Robert N SchenkRobert N Schenk (2 patents)Michael B GeeMichael B Gee (2 patents)Steven B HallSteven B Hall (1 patent)Dana L BirklandDana L Birkland (1 patent)Russel E GatesRussel E Gates (1 patent)Darryl S BabuDarryl S Babu (1 patent)Klaus MeyersieckKlaus Meyersieck (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Twin Disc Incorporated (1 from 74 patents)


1 patent:

1. 7617026 - Programmable trim control system for marine applications

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as of
12/16/2025
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