Growing community of inventors

Tower Lakes, IL, United States of America

John E Prey, Jr

Average Co-Inventor Count = 2.40

ph-index = 2

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 = 162

John E Prey, JrTheodore Liber (1 patent)John E Prey, JrFredric I Orkin (1 patent)John E Prey, JrJoseph Tom (1 patent)John E Prey, JrJohn E Prey, Jr (2 patents)Theodore LiberTheodore Liber (5 patents)Fredric I OrkinFredric I Orkin (5 patents)Joseph TomJoseph Tom (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Healthtech Services Corp. (1 from 15 patents)

2. Oxford Instruments Measurement Systems LLC (1 from 1 patent)


2 patents:

1. 7148712 - Probe for use in determining an attribute of a coating on a substrate

2. 5755357 - Compact medication delivery systems

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as of
1/12/2026
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