Growing community of inventors

Sterling, MA, United States of America

John B Haven

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

John B HavenEdward T Vitone, Jr (1 patent)John B HavenMichael Raymond Kolk (1 patent)John B HavenJohn B Haven (1 patent)Edward T Vitone, JrEdward T Vitone, Jr (4 patents)Michael Raymond KolkMichael Raymond Kolk (2 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Power Technology, Incorporated (1 from 3 patents)


1 patent:

1. 6386829 - Multi-valve arc inlet for steam turbine

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12/13/2025
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