SUNTEC CO., LTD.
157Patents
12Active
157Granted
45Portfolio score
Filing activity: Apr 26, 1971 → Dec 23, 2021 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4110474A | Tetramethylpentane blood substitutes | Chemistry; Metallurgy | 49 | Expired |
| US4231858A | Processing shale oil to jet fuel | Chemistry; Metallurgy | 48 | Expired |
| US4162341A | Honeycomb insulation structure | Emerging Cross-Sectional Technologies | 35 | Expired |
| US4085594A | Control system for cooling tower fans | Emerging Cross-Sectional Technologies | 32 | Expired |
| US4042991A | Parallelogram structure | Fixed Constructions | 29 | Expired |
| US4071086A | Apparatus for pulling tools into a wellbore | Fixed Constructions | 29 | Expired |
| US5882233A | Pin plug including conductive insert | Electricity | 28 | Expired |
| US4021329A | Process for dissolving sub-bituminous coal | Emerging Cross-Sectional Technologies | 27 | Expired |
| US6283790A | L-shaped connector for connecting antenna wire | Electricity | 26 | Expired |
| US4088723A | Method of preparing honeycomb insulation structure | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4187252A | Tetramethylpentane blood substitutes | Chemistry; Metallurgy | 24 | Expired |
| US4235821A | Hydrogenation of aliphatic nitriles to primary amines | Chemistry; Metallurgy | 23 | Expired |
| US4287162A | Separation of ammonia from ammonia containing gases | Performing Operations; Transporting | 22 | Expired |
| US4213752A | Coal drying process | Chemistry; Metallurgy | 19 | Expired |
| US4073304A | System for calibrating a pump | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4209400A | Oil spill cleanup method and apparatus | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4043763A | Stabilization of dried coal | Chemistry; Metallurgy | 17 | Expired |
| US4059135A | Interlock system for a fuel dispensing nozzle | Performing Operations; Transporting | 16 | Expired |
| US4954203A | Labelling system | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4113236A | Pulling tool apparatus | Fixed Constructions | 15 | Expired |
| US4103427A | Electronic digital micrometer | Physics | 15 | Expired |
| US4289499A | Selecting perfluorocarbon compounds for synthetic blood | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4190460A | Sulfur plasticization with olefins | Chemistry; Metallurgy | 14 | Expired |
| US4134423A | Flowrate control means | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4043410A | Anti-sticking tool for drill pipe | Fixed Constructions | 13 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.