Ralph P. Williams
24Patents
7h-index
36Co-inventors
69Inventor score
Filing activity: Sep 17, 1973 → Aug 6, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4115286A | Lubricant antiwear additives containing sulfur and boron | Chemistry; Metallurgy | 19 | Expired |
| US4251575A | Chemical treatment of poly(arylene sulfide)-containing articles | Chemistry; Metallurgy | 13 | Expired |
| US4119510A | Photocurable diisocyanate compositions | Chemistry; Metallurgy | 11 | Expired |
| US5654251A | Isoparaffin-olefin alkylation | Chemistry; Metallurgy | 9 | Expired |
| US8086354B2 | Optimizing consumption of resources | Physics | 9 | Active |
| US4258105A | Sealant compositions containing thiol-terminated polyesters | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4243793A | Prepolymers for photocurable compositions | Physics | 8 | Expired |
| US4295962A | Recovering copper by flotation using N-mercaptoalkyl amide depressant | Performing Operations; Transporting | 7 | Expired |
| US4143000A | Heavy residue from hydrogenation of branched aliphatic dinitriles for curing epoxy resins | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5247061A | Synthesis of poly(dithio thiadiazole by oxidative polymerization | Chemistry; Metallurgy | 6 | Expired |
| US7792718B2 | Method of using market techniques to incentivise and value knowledge building | Physics | 5 | Active |
| US4136077A | Reaction product of olefinically-unsaturated nitrile and a monoolefinic hydrocarbon as plasticizer for conjugated diene-unsaturated nitrile rubber | Chemistry; Metallurgy | 3 | Expired |
| US4013571A | Extreme pressure lubricating composition containing thiosulfinate extreme pressure agents | Chemistry; Metallurgy | 3 | Expired |
| US4162223A | Residue of hydrogenation product of branched aliphatic dinitriles as lubricant additive | Chemistry; Metallurgy | 3 | Expired |
| US8423576B2 | System and method for querying data streams | Physics | 3 | Active |
| US7166556B1 | Isoparaffin-olefin alkylation | Chemistry; Metallurgy | 1 | Expired |
| US9760914B2 | Determining cost and processing of sensed data | Physics | 1 | Active |
| US3932317A | Compositions for removing acrylic based coatings | Chemistry; Metallurgy | 1 | Expired |
| US4195155A | Hydrogenated polynitrile mixture and use as epoxy hardener | Emerging Cross-Sectional Technologies | 1 | Expired |
| US10929602B2 | Training of cognitive systems | Physics | 0 | Active |
| US7528289B1 | Isoparaffin-olefin alkylation | Chemistry; Metallurgy | 0 | Expired |
| US4166815A | Dialkyltin bis(3-sulfolanylmercaptides) as thermal stabilizers for polyvinyl chloride | Chemistry; Metallurgy | 0 | Expired |
| US4275237A | Hydrogenated polynitrile mixture useful as an epoxy hardener | Emerging Cross-Sectional Technologies | 0 | Expired |
| US9258125B2 | Generating evidence of web services transactions | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.