Charles F. Pratt
19Patents
9h-index
26Co-inventors
72Inventor score
Filing activity: Nov 20, 1974 → May 21, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5204394A | Polymer mixture having aromatic polycarbonate, styrene I containing copolymer and/or graft polymer and a flame-retardant, articles formed therefrom | Chemistry; Metallurgy | 120 | Expired |
| USRE36188E | Polymer mixture having aromatic polycarbonate styrene I containing copolymer and/or graft polymer and a flame-retardant, articles formed therefrom | General | 13 | Expired |
| US4931503A | Composition | Chemistry; Metallurgy | 12 | Expired |
| US5470913A | Polymer mixture which comprises a polyamide, a polyphenylene ether and an agent to improve the impact resistance | Chemistry; Metallurgy | 12 | Expired |
| US5706618A | Roof ridge ventilator cover | Fixed Constructions | 12 | Expired |
| US7748796B2 | Composite tub body for a dishwasher | Human Necessities | 11 | Active |
| US4885336A | Low gloss polycarbonate blend | Chemistry; Metallurgy | 11 | Expired |
| US6241840A | Thermoplastic liner pipe for potable water | Performing Operations; Transporting | 10 | Expired |
| US5369172A | Polymer blend with low gloss | Chemistry; Metallurgy | 9 | Expired |
| US4916185A | Olefinic impact modifiers for compatible blends of polyphenylene ethers and linear polyester resins | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5274034A | Polycarbonate polystyrene composition | Chemistry; Metallurgy | 8 | Expired |
| US5151460A | Olefinic impact modifiers for compatible blends of polyphenylene ethers and linear polyester resins | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4965111A | Olefinic impact modifiers for, and blends with, thermoplastic polyester resins | Emerging Cross-Sectional Technologies | 6 | Expired |
| US3979192A | Control of foam generation in gas-liquid separation towers | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5314948A | Olefinic impact modifiers for, and blends with, thermoplastic polyester resins | Chemistry; Metallurgy | 3 | Expired |
| US5026776A | Olefinic impact modifiers for, and blends with, thermoplastic polyesters resins | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5869572A | Polymer mixture which comprises a polyamide, a polyphenylene ether and an agent to improve the impact resistance | Chemistry; Metallurgy | 1 | Expired |
| US5482999A | Polymer mixture which comprises a polyphenylene ether and a styrene-containing polymer or copolymer, as well as products formed therefrom | Chemistry; Metallurgy | 0 | Expired |
| US5179169A | Olefinic impact modifiers for, and blends with, thermoplastic polyester resins | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.