James Day
49Patents
15h-index
57Co-inventors
84Inventor score
Filing activity: Oct 10, 1989 → Nov 4, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5228308A | Refrigeration system and refrigerant flow control apparatus therefor | Mechanical Engineering; Lighting; Heating | 66 | Expired |
| US6506871B1 | Extrusion method for making polycarbonate | Chemistry; Metallurgy | 46 | Expired |
| US6413283B1 | Sealed ultracapacitor | Emerging Cross-Sectional Technologies | 43 | Expired |
| US5089119A | Filter for a vapor compression cycle device | Emerging Cross-Sectional Technologies | 41 | Expired |
| US6420512B1 | Extrusion method for making polycarbonate | Chemistry; Metallurgy | 40 | Expired |
| US6110321A | Method for sealing an ultracapacitor, and related articles | Performing Operations; Transporting | 37 | Expired |
| US6518391B1 | Method of polycarbonate preparation by solid state polymerization | Chemistry; Metallurgy | 36 | Expired |
| US6212062A | Sealed ultracapacitor | Emerging Cross-Sectional Technologies | 35 | Expired |
| US5356984A | Method for molding magnets and compositions for use therein | Chemistry; Metallurgy | 31 | Expired |
| US6790929B2 | Method for making an aromatic polycarbonate | Chemistry; Metallurgy | 25 | Expired |
| US6152970A | Drying an ultracapacitor | Emerging Cross-Sectional Technologies | 25 | Expired |
| US6339109B1 | Method of pelletization of polymer | Chemistry; Metallurgy | 21 | Expired |
| US5531078A | Low volume inlet reciprocating compressor for dual evaporator refrigeration system | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US5345968A | Rotary magnetic valve for low noise low wear operation | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5288447A | Method of making permanent magnet rotors | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5306123A | Noise isolating rotor for air handler motor | Electricity | 15 | Expired |
| US5285652A | Sensor for pressure controlled switching valve for refrigeration system | Electricity | 14 | Expired |
| US5184473A | Pressure controlled switching valve for refrigeration system | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US6084767A | Ultracapacitor separator | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6960641B2 | Method of making block copolymers by solid state polymerization | Chemistry; Metallurgy | 10 | Expired |
| US5156016A | Pressure controlled switching valve for refrigeration system | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US5371113A | Polyurethane foam of low thermal conductivity and method of preparation | Chemistry; Metallurgy | 7 | Expired |
| US6031063A | Method for enhancing crystallinity of polycarbonates | Chemistry; Metallurgy | 6 | Expired |
| US5466370A | Apparatus for isolating solids from fluids | Performing Operations; Transporting | 6 | Expired |
| US5489381A | Extruder apparatus for separating solids from fluids | Performing Operations; Transporting | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.