Growing community of inventors

Solon, OH, United States of America

Alan A Leff

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 = 7

Alan A LeffChristos Paparizos (1 patent)Alan A LeffLouis J Velenyi (1 patent)Alan A LeffJoseph E Metcalfe (1 patent)Alan A LeffAlan A Leff (1 patent)Christos PaparizosChristos Paparizos (55 patents)Louis J VelenyiLouis J Velenyi (30 patents)Joseph E MetcalfeJoseph E Metcalfe (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The Standard Oil Company (1 from 1,192 patents)


1 patent:

1. 4822940 - Process for converting light hydrocarbons and/or natural gas to liquid

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12/16/2025
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