Growing community of inventors

Louisville, KY, United States of America

Richard L Smith

Average Co-Inventor Count = 1.33

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 = 51

Richard L SmithRobert W Sexton (1 patent)Richard L SmithRichard L Smith (2 patents)Robert W SextonRobert W Sexton (2 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Allis-Chalmers Corporation (2 from 532 patents)


2 patents:

1. 4557740 - Weather louver

2. 4499031 - Evaporative gas treating system

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as of
1/9/2026
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