Inventor · disambiguated record
Richard L. Ferm
Also filed as: CAMPBELL ROBERT W · FERM RICHARD L
13 granted patents·239 citations·filing 1972–1982
93Inventor score
Files withCHEVRON RES13
Top patents by PatentIndex Score
13 records- 0196US4551226AHeat exchanger antifoulantCHEVRON RES·Filed 1982·Granted Nov 5, 1985·91 cites·12 claims
- 0282US4243563ACalcium polysulfide soil stabilization method and compositionsCHEVRON RES·Filed 1979·Granted Jan 6, 1981·34 cites·28 claims
- 0370US4193816AQuick-setting bituminous emulsion compositionsCHEVRON RES·Filed 1972·Granted Mar 18, 1980·23 cites·8 claims
- 0469US4193811AConcrete compositionCHEVRON RES·Filed 1978·Granted Mar 18, 1980·18 cites·8 claims
- 0555US4410419AHeat exchanger antifoulantCHEVRON RES·Filed 1982·Granted Oct 18, 1983·11 cites·8 claims
- 0653US4394213AHydroxy-aluminum/lignin sulfonate compositionsCHEVRON RES·Filed 1981·Granted Jul 19, 1983·13 cites·15 claims
- 0749US4351750AQuick-setting bituminous emulsion compositionsCHEVRON RES·Filed 1980·Granted Sep 28, 1982·12 cites·13 claims
- 0849US4193810AConcrete compositionCHEVRON RES·Filed 1978·Granted Mar 18, 1980·9 cites·5 claims
- 0947US4431514AHeat exchanger antifoulantCHEVRON RES·Filed 1982·Granted Feb 14, 1984·8 cites·9 claims
- 1043US4469586AHeat exchanger antifoulantCHEVRON RES·Filed 1982·Granted Sep 4, 1984·6 cites·7 claims
- 1139US4198245AProcess for producing concrete structures of high strengthCHEVRON RES·Filed 1978·Granted Apr 15, 1980·5 cites·9 claims
- 1237US4435273AHeat exchanger antifoulantCHEVRON RES·Filed 1982·Granted Mar 6, 1984·5 cites·10 claims
- 1336US4193809AHigh-strength concrete objectsCHEVRON RES·Filed 1978·Granted Mar 18, 1980·4 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →