Texaco Inc.
🏢 View company profile →3,168Patents
35Active
3,168Granted
47Portfolio score
Filing activity: Aug 5, 1969 → Nov 9, 2010 · 30 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6536950B1 | Sapphire reinforced thermocouple protection tube | Physics | 484 | Expired |
| US4590326A | Multi-element thermocouple | Physics | 459 | Expired |
| US4524826A | Method of heating an oil shale formation | Fixed Constructions | 348 | Expired |
| US4576231A | Method and apparatus for combating encroachment by in situ treated formations | Fixed Constructions | 340 | Expired |
| US4592423A | Hydrocarbon stratum retorting means and method | Fixed Constructions | 316 | Expired |
| US4682652A | Producing hydrocarbons through successively perforated intervals of a horizontal well between two vertical wells | Fixed Constructions | 301 | Expired |
| US5632336A | Method for improving injectivity of fluids in oil reservoirs | Fixed Constructions | 290 | Expired |
| US3947683A | Combination of epithermal and inelastic neutron scattering methods to locate coal and oil shale zones | Physics | 275 | Expired |
| US5826655A | Method for enhanced recovery of viscous oil deposits | Fixed Constructions | 223 | Expired |
| US5571403A | Process for extracting hydrocarbons from diatomite | Chemistry; Metallurgy | 203 | Expired |
| US4077471A | Surfactant oil recovery process usable in high temperature, high salinity formations | Emerging Cross-Sectional Technologies | 175 | Expired |
| US5345756A | Partial oxidation process with production of power | Emerging Cross-Sectional Technologies | 171 | Expired |
| US5640491A | Control system using an adaptive neural network for target and path optimization for a multivariable, nonlinear process | Performing Operations; Transporting | 156 | Expired |
| US4577691A | Method and apparatus for producing viscous hydrocarbons from a subterranean formation | Fixed Constructions | 152 | Expired |
| US5551513A | Prepacked screen | Fixed Constructions | 144 | Expired |
| US5295350A | Combined power cycle with liquefied natural gas (LNG) and synthesis or fuel gas | Emerging Cross-Sectional Technologies | 140 | Expired |
| US3948672A | Permeable cement composition and method | Chemistry; Metallurgy | 136 | Expired |
| US5604184A | Chemically inert resin coated proppant system for control of proppant flowback in hydraulically fractured wells | Emerging Cross-Sectional Technologies | 133 | Expired |
| US3955993A | Method and composition for stabilizing incompetent oil-containing formations | Chemistry; Metallurgy | 126 | Expired |
| US4413156A | Manufacture of synthetic lubricant additives from low molecular weight olefins using boron trifluoride catalysts | Chemistry; Metallurgy | 123 | Expired |
| US5199490A | Formation treating | Fixed Constructions | 121 | Expired |
| US4863623A | Novel VI improver, dispersant, and anti-oxidant additive and lubricating oil composition containing same | Chemistry; Metallurgy | 119 | Expired |
| US6547957B1 | Process for upgrading a hydrocarbon oil | Chemistry; Metallurgy | 113 | Expired |
| US4367352A | Oligomerized olefins for lubricant stock | Emerging Cross-Sectional Technologies | 109 | Expired |
| US4482464A | Hydrocarbyl-substituted mono- and bis-succinimide having polyamine chain linked hydroxyacyl radicals and mineral oil compositions containing same | Chemistry; Metallurgy | 108 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.