Growing community of inventors

Allentown, PA, United States of America

Robert F Hoffman

Average Co-Inventor Count = 4.00

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 = 18

Robert F HoffmanJohn Herbert Frey (2 patents)Robert F HoffmanRobert E Stevens (2 patents)Robert F HoffmanMichael Allen Stanga (2 patents)Robert F HoffmanRobert F Hoffman (2 patents)John Herbert FreyJohn Herbert Frey (15 patents)Robert E StevensRobert E Stevens (13 patents)Michael Allen StangaMichael Allen Stanga (11 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Dow Corning Corporation (2 from 2,921 patents)


2 patents:

1. 5492939 - Polyether silicone surfactants for the manufacture of urethane foams

2. 5432206 - Polyether silicone surfactants for the manufacture of urethane foams

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as of
1/3/2026
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