Ping Y. Liu
94Patents
15h-index
28Co-inventors
84Inventor score
Filing activity: Aug 27, 1979 → Nov 26, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4260693A | Polycarbonate compositions | Chemistry; Metallurgy | 45 | Expired |
| US5385970A | Halogen-free flame retardant ternary blends | Chemistry; Metallurgy | 31 | Expired |
| US7285078B1 | Adjustable dumbbell | Emerging Cross-Sectional Technologies | 30 | Active |
| US4564655A | Polycarbonate compositions | Emerging Cross-Sectional Technologies | 27 | Expired |
| US7452312B2 | Adjustable dumbbell system | Human Necessities | 25 | Active |
| US4245058A | Polycarbonate compositions | Electricity | 24 | Expired |
| US7604578B2 | Adjustable dumbbell system | Human Necessities | 22 | Active |
| US4710534A | Low gloss, flame reterdant, impact resistant polycarbonate composition | Chemistry; Metallurgy | 21 | Expired |
| US4564658A | Thermoplastic polyester-linear low density polyethylene molding compositions | Chemistry; Metallurgy | 20 | Expired |
| US4559388A | Copolyester-carbonate composition | Chemistry; Metallurgy | 18 | Expired |
| US4430476A | Resinous composition comprising a polycarbonate resin, a linear low density polyolefin and an alkenyl aromatic copolymer | Chemistry; Metallurgy | 17 | Expired |
| US5153263A | Plasticized polyetherimide ester blends | Chemistry; Metallurgy | 16 | Expired |
| US4481331A | Polycarbonate resin mixture | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4263416A | Polycarbonate compositions | Chemistry; Metallurgy | 15 | Expired |
| US4652602A | Blow-moldable polycarbonate resin compositions | Chemistry; Metallurgy | 15 | Expired |
| US4390657A | Composition of polycarbonate, an ABS resin and an acrylate-methacrylate interpolymer | Chemistry; Metallurgy | 15 | Expired |
| US7403209B2 | Rendering images containing video | Physics | 14 | Expired |
| US7662077B1 | Ab/back bench system | Human Necessities | 14 | Active |
| US5256714A | Flame retardant polyester blends | Chemistry; Metallurgy | 13 | Expired |
| US4320212A | Ternary polycarbonate compositions containing polyacrylate and thermoplastic polyester | Chemistry; Metallurgy | 13 | Expired |
| US7654944B1 | Foldable exercise bench system | Human Necessities | 13 | Active |
| US4263415A | Polycarbonate compositions | Chemistry; Metallurgy | 12 | Expired |
| USD984563S1 | Rowing machine | General | 12 | Active |
| US4532282A | Blends of aromatic polycarbonate resin, olefin polymers or copolymers and acrylate- or methacrylate-copolymer resins | Chemistry; Metallurgy | 12 | Expired |
| USD992659S1 | Adjustable barbell | General | 12 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.