Growing community of inventors

West Lebanon, NH, United States of America

Lief Johnson

Average Co-Inventor Count = 6.00

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

Lief JohnsonTroy O McBride (1 patent)Lief JohnsonJoel Stettenheim (1 patent)Lief JohnsonPer Erik Kristoffer Edstrom (1 patent)Lief JohnsonOliver James Brambles (1 patent)Lief JohnsonJonathan Lynch (1 patent)Lief JohnsonLief Johnson (1 patent)Troy O McBrideTroy O McBride (50 patents)Joel StettenheimJoel Stettenheim (10 patents)Per Erik Kristoffer EdstromPer Erik Kristoffer Edstrom (6 patents)Oliver James BramblesOliver James Brambles (6 patents)Jonathan LynchJonathan Lynch (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Norwich Technologies, Inc. (1 from 8 patents)


1 patent:

1. 12404831 - Thermal energy storage system including a plurality of vessels each having hot and cold liquid portions separated by a floating piston

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as of
1/11/2026
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