John A. Roberts
22Patents
9h-index
29Co-inventors
75Inventor score
Filing activity: Dec 16, 1974 → Jul 3, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6754358B1 | Method and apparatus for bone sensing | Electricity | 293 | Expired |
| US7065975B1 | Ice dispenser for refrigerator with bottom mount freezer | Mechanical Engineering; Lighting; Heating | 70 | Expired |
| US6674894B1 | Method and apparatus for enhancing an image using data optimization and segmentation | Physics | 52 | Expired |
| US4065046A | Method of making passage structures | Emerging Cross-Sectional Technologies | 28 | Expired |
| US3991360A | Sensor assembly for a halogen gas leak detector | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4151738A | Toxic gas monitor having automatic calibration | Physics | 19 | Expired |
| US3979625A | Ceramic spaced sensor assembly for a gas leak detector | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5777222A | Fluid meter with modular automatic meter reading unit | Physics | 13 | Expired |
| US4056967A | Pneumatic system for a gas sensor | Physics | 9 | Expired |
| US7120290B2 | Method and apparatus for enhancing an image using data optimization and segmentation | Physics | 4 | Expired |
| US4040936A | Wet chlorine gas generator for instrument applications | Physics | 4 | Expired |
| US6661634B2 | Digital subscriber line alternating current EMI/RFI broadband noise eliminator | Emerging Cross-Sectional Technologies | 3 | Expired |
| USRE43225E1 | Method and apparatus for enhancing an image using data optimization and segmentation | General | 2 | Active |
| US5515722A | Gas meter with unitary central core defining multiple flow passages | Physics | 2 | Expired |
| US7685040B2 | Investment methods and systems for use in association with a pairs trading strategy | Physics | 1 | Active |
| US5548998A | Gas meter having selectivity chargeable covers | Physics | 1 | Expired |
| US11337610B2 | Temperature measurement in thermal therapy | Physics | 0 | Active |
| US12429543B2 | Simultaneous multi-slab thermometry during MR-guided thermal therapy | Physics | 0 | Active |
| US7319159B1 | Cyclohexadien-2,4-ylsilane and its derivatives, synthesis of the same, and the pyrolysis of the same to silane | Chemistry; Metallurgy | 0 | Active |
| US11136436B2 | Method for condensation polymerization of hydroxyl-terminated polydiorganosiloxanes | Chemistry; Metallurgy | 0 | Active |
| US11028230B1 | Method for condensation polymerization of hydroxyl-terminated polydiorganosiloxanes | Chemistry; Metallurgy | 0 | Active |
| US7617139B2 | Investment transaction structure in which one party may substitute one investment for another | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.