Growing community of inventors

Midlothian, VA, United States of America

Joel A Evans

Average Co-Inventor Count = 4.00

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 = 15

Joel A Evans ↔ Scott D Schwab (1 patent)Joel A Evans ↔ Lawrence Cunningham (1 patent)Joel A Evans ↔ John David Morris (1 patent)Joel A EvansJoel A Evans (1 patent)Scott D SchwabScott D Schwab (45 patents)Lawrence CunninghamLawrence Cunningham (9 patents)John David MorrisJohn David Morris (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Afton Chemical Corporation (1 from 333 patents)


1 patent:

1. 7111591 - Method of improving the operation of combustion particulate filters

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12/26/2025
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