Growing community of inventors

S. Dennis, MA, United States of America

William J Langenhein, Jr

Average Co-Inventor Count = 4.00

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 = 40

William J Langenhein, Jr ↔ Alan T Hudson (1 patent)William J Langenhein, Jr ↔ David W Johns, Ii (1 patent)William J Langenhein, Jr ↔ David P Gagnon (1 patent)William J Langenhein, JrWilliam J Langenhein, Jr (1 patent)Alan T HudsonAlan T Hudson (2 patents)David W Johns, IiDavid W Johns, Ii (1 patent)David P GagnonDavid P Gagnon (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sippican Ocean Systems, Inc. (1 from 3 patents)


1 patent:

1. 4673363 - Marine measurement device

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12/16/2025
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