Growing community of inventors

Shoreline, WA, United States of America

John Kropf

Average Co-Inventor Count = 2.00

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 = 5

John KropfJohn Lee Wamble, Iii (1 patent)John KropfJohn Kropf (1 patent)John Lee Wamble, IiiJohn Lee Wamble, Iii (13 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (1 from 832,843 patents)


1 patent:

1. 7562628 - Guideway transportation system with integrated magnetic levitation suspension, stabilization and propulsion functions

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as of
12/29/2025
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