Growing community of inventors

Canfield, OH, United States of America

Edward J Ratkay

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 = 2

Edward J RatkayCarl M Singer (1 patent)Edward J RatkayEdward J Ratkay (1 patent)Carl M SingerCarl M Singer (2 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Commercial Shearing, Inc. (1 from 42 patents)


1 patent:

1. 4292013 - Rotary impeller or motor with pressure balanced end plates

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as of
12/13/2025
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