Shell Research Limited
🏢 View company profile →101Patents
0Active
101Granted
41Portfolio score
Filing activity: Feb 17, 1981 → Jun 11, 2002
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6078031A | Method and device for joining oilfield tubulars | Performing Operations; Transporting | 127 | Expired |
| US6272882A | Process of liquefying a gaseous, methane-rich feed to obtain liquefied natural gas | Mechanical Engineering; Lighting; Heating | 52 | Expired |
| US5079268A | Poly(alkenyl substituted aromatic) and elastomer containing polymer compositions and process for their preparation | Emerging Cross-Sectional Technologies | 51 | Expired |
| US5310820A | Process for modification of polyphenylene ether or related polymers with a cyclic acid anhydride and the use thereof in modified, high temperature rigid polymer of vinyl substituted aromatics | Chemistry; Metallurgy | 45 | Expired |
| US5893274A | Method of liquefying and treating a natural gas | Mechanical Engineering; Lighting; Heating | 42 | Expired |
| US5304600A | Process for preparation of modified polyphenylene ether or related polymers and the use thereof in modified high temperature rigid polymer of vinyl substituted aromatics | Emerging Cross-Sectional Technologies | 37 | Expired |
| US4445543A | Flexible hose for liquefied gases | Mechanical Engineering; Lighting; Heating | 37 | Expired |
| US6114288A | Lubricating oil composition for internal combustion engines | Chemistry; Metallurgy | 35 | Expired |
| US6014869A | Reducing the amount of components having low boiling points in liquefied natural gas | Mechanical Engineering; Lighting; Heating | 32 | Expired |
| US5884698A | Whipstock assembly | Fixed Constructions | 24 | Expired |
| US4380253A | Heat-insulated hose for liquefied gases | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US5143534A | Heat processing of particulate material with a quenching gas which swirls around the processing zone | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5294597A | Herbicidal carboxamide derivatives | Chemistry; Metallurgy | 22 | Expired |
| US5798068A | Process of melt impregnation | Performing Operations; Transporting | 21 | Expired |
| US6658891B2 | Offshore plant for liquefying natural gas | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US5304532A | Herbicidal compounds | Chemistry; Metallurgy | 18 | Expired |
| US5393770A | Fungicidal compositions | Human Necessities | 17 | Expired |
| US5232869A | Metal deposition | Chemistry; Metallurgy | 16 | Expired |
| US5285972A | Ore processing | Performing Operations; Transporting | 14 | Expired |
| US5332745A | Tetrahydropyrimidine derivatives | Chemistry; Metallurgy | 14 | Expired |
| US5384305A | Herbicidal carboxamide compounds | Chemistry; Metallurgy | 12 | Expired |
| US5139563A | Herbicidal compounds | Chemistry; Metallurgy | 12 | Expired |
| US5489599A | Piperidine derivatives | Chemistry; Metallurgy | 12 | Expired |
| US5356015A | Magnetic separation process | Performing Operations; Transporting | 11 | Expired |
| US5597522A | Method of making polyolefin/filler composite materials | Chemistry; Metallurgy | 11 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.