Robert T. Johnston
20Patents
6h-index
20Co-inventors
69Inventor score
Filing activity: Jul 25, 1978 → Jul 26, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4270762A | Disperser seal and method | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6323285A | Heteromorphic polymer compositions | Chemistry; Metallurgy | 19 | Expired |
| US6384139B1 | Crosslinked elastomers processes for their manufacture and articles made from these elastomers | Chemistry; Metallurgy | 16 | Expired |
| US8476366B2 | Block compositions in thermoplastic vulcanizate applications | Chemistry; Metallurgy | 14 | Active |
| US4910254A | Films of olefin polymers and graft copolymers | Emerging Cross-Sectional Technologies | 12 | Expired |
| US7521501B2 | Thermoplastic vulcanizates and process to prepare them | Chemistry; Metallurgy | 7 | Active |
| US8563658B2 | Block composites in thermoplastic vulcanizate applications | Chemistry; Metallurgy | 6 | Active |
| US8576392B2 | Multiplexed optical fiber crack sensor | Physics | 6 | Active |
| US9116055B2 | Combustion turbine flashback sensing system employing fiber Bragg grating sensors | Physics | 6 | Active |
| US7964313B2 | Fuel cell devices and method therefor | Emerging Cross-Sectional Technologies | 5 | Active |
| US5096955A | Stabilized polyethylene resins and method of stabilization | Chemistry; Metallurgy | 4 | Expired |
| US8571813B2 | Fiber optic sensor system for detecting surface wear | Physics | 2 | Active |
| US8790074B2 | Multiplexed optical fiber wear sensor | Emerging Cross-Sectional Technologies | 1 | Active |
| US8664585B2 | Sensor apparatus for detecting and monitoring a crack propagating through a structure | Physics | 0 | Active |
| US7737205B2 | Thermoplastic vulcanizates and process to prepare them | Chemistry; Metallurgy | 0 | Expired |
| US9593237B2 | Olefin block copolymer composition with low tack | Chemistry; Metallurgy | 0 | Active |
| US9040616B2 | Bleed resistant, oil-extended olefin block copolymer composition with microcrystalline wax | Chemistry; Metallurgy | 0 | Active |
| US9745463B2 | Bleed-resistant, oil-extended olefin block copolymer composition with surface-active agent | Chemistry; Metallurgy | 0 | Active |
| US9951219B2 | Bleed resistant, oil-extended olefin block copolymer composition with surface-active agent | Chemistry; Metallurgy | 0 | Active |
| US9034972B2 | Bleed resistant, oil-extended olefin block copolymer composition with precipitated silica | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.