Inventor · disambiguated record
Philip C. Feffer
Also filed as: FEFFER PHILIP C
6 granted patents·14 citations·filing 1976–1980
76Inventor score
Technology areasD02G
Files withCHEVRON RES6
Top patents by PatentIndex Score
6 records- 0143US4142280ABounce crimp unit with annularly segmented yarn receiverCHEVRON RES·Filed 1977·Granted Mar 6, 1979·5 cites·6 claims
- 0236US4309801ATexturizing processCHEVRON RES·Filed 1979·Granted Jan 12, 1982·3 cites·11 claims
- 0333US4316311ABounce crimping apparatusCHEVRON RES·Filed 1980·Granted Feb 23, 1982·3 cites·3 claims
- 0428US4226010AProcess for bounce crimp texturizing yarnCHEVRON RES·Filed 1978·Granted Oct 7, 1980·1 cites·5 claims
- 0527US4293985AMethod and apparatus for making bounce crimped yarnCHEVRON RES·Filed 1980·Granted Oct 13, 1981·1 cites·9 claims
- 0622US4160307AImprovements in thermoplastic yarn rebound texturizing methodsCHEVRON RES·Filed 1976·Granted Jul 10, 1979·1 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →