Growing community of inventors

Chatham, IL, United States of America

John M Gerula

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 = 14

John M GerulaRonald J Hickman (1 patent)John M GerulaJohn M Gerula (1 patent)Ronald J HickmanRonald J Hickman (4 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Stewart Warner Corporation (1 from 92 patents)


1 patent:

1. 4626636 - Pressure operated switch assembly with external pressure control

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12/17/2025
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