Robert Parker
36Patents
8h-index
48Co-inventors
75Inventor score
Filing activity: Jun 21, 1991 → Jan 13, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5137929A | Additives which stabilize hydrohalocarbon blowing agent in polyurethane and polyisocyanurate foam formulations during polymerization | Chemistry; Metallurgy | 32 | Expired |
| US5672294A | Azeotrope-like compositions of 1,1,1,3,3-pentaflurorpropane and hydrocarbons | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5866029A | Azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and pentane | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5677358A | Azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and hydrocarbons | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6923256B2 | Disconnect device | Fixed Constructions | 16 | Expired |
| US6699405B2 | Polymerizable liquid crystals | Chemistry; Metallurgy | 16 | Expired |
| US5395859A | Catalysts which stabilize hydrohalocarbon blowing agent in polyisocyanurate foam formulations during polymerization | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5561171A | Catalysts which stabilize hydrohalocarbon blowing agent in polyisocyanurate foam formulations during polymerization | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6481498B1 | Slip connector for use with coiled tubing | Fixed Constructions | 8 | Expired |
| US5688834A | Catalysts which stabilize hydrohalocarbon blowing agent in polyurethane foam formulations | Chemistry; Metallurgy | 8 | Expired |
| US5759438A | Azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and 1,1-dichloro-1-fluoroethane | Chemistry; Metallurgy | 8 | Expired |
| US7904418B2 | On-demand incremental update of data structures using edit list | Physics | 7 | Active |
| US7670505B2 | Compounds comprising 2,6-naphthyl groups | Chemistry; Metallurgy | 7 | Active |
| US5915741A | Faucet cartridge puller assembly and method of use | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6793986B2 | Polymerizable liquid crystals | Chemistry; Metallurgy | 7 | Expired |
| US5840779A | Catalysts which stabilize hydrohalocarbon blowing agent in polyurethane foam formulations | Chemistry; Metallurgy | 5 | Expired |
| US6605235B1 | Cholesteric layered material having an improved color impression, and the production thereof | Chemistry; Metallurgy | 4 | Expired |
| US6719479B1 | Breech lock wireline connector | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6695977B2 | Use of chiral, uncharged metal compounds as dopants for liquid-crystalline materials | Chemistry; Metallurgy | 3 | Expired |
| US6850310B1 | Cholesteric layered material having improved color stability, and the production thereof | Chemistry; Metallurgy | 3 | Expired |
| US5688833A | Azeotrope-like compositions of 1 1 1 3 3-pentafluoropropane and 1 1-dichloro-1-fluoroethane | Chemistry; Metallurgy | 3 | Expired |
| US6637508B2 | Multi-shot tubing perforator | Fixed Constructions | 3 | Expired |
| US5925612A | Azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and 1,1-dichloro-1-fluoroethane | Chemistry; Metallurgy | 3 | Expired |
| US6890007B1 | Coiled tubing connector and method of manufacture | Fixed Constructions | 3 | Expired |
| US6616990B2 | Chiral 1, 3-dioxane compounds | Chemistry; Metallurgy | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.