Growing community of inventors

San Antonio, TX, United States of America

John R Ewing

Average Co-Inventor Count = 4.00

ph-index = 3

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 = 62

John R EwingAlton S Newell, Jr (5 patents)John R EwingPaul D Popovich (3 patents)John R EwingA Scott Newell, Jr (1 patent)John R EwingJohn R Ewing (3 patents)Alton S Newell, JrAlton S Newell, Jr (3 patents)Paul D PopovichPaul D Popovich (3 patents)A Scott Newell, JrA Scott Newell, Jr (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Newell Industries, Inc. (2 from 2 patents)

2. Newell Manufacturing Company (1 from 11 patents)


3 patents:

1. 4650129 - Capped disc for hammer mill rotor

2. 4619029 - Method of retrofitting a hammer mill rotor

3. 4504019 - Hammer mill having capped disc rotor

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as of
12/14/2025
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