John Roberts
28Patents
9h-index
30Co-inventors
75Inventor score
Filing activity: Apr 12, 1983 → Mar 24, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5950726A | Increased oil and gas production using elastic-wave stimulation | Physics | 75 | Expired |
| US4668120A | Solar-powered illuminated reflector | Mechanical Engineering; Lighting; Heating | 51 | Expired |
| US4848650A | Rural mailbox | Human Necessities | 28 | Expired |
| USD455055S1 | Flow channel for drip irrigation with central cavity | General | 23 | Expired |
| US5241703A | Protective shield with a forearm support | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US4575786A | Radiation emitting apparatus | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US4971275A | Lightweight, flexible holder for scuba tanks and the like | Performing Operations; Transporting | 17 | Expired |
| USD450550S | Flow channel for drip irrigation with biased cavity | General | 16 | Expired |
| US4823525A | Skylight structure | Fixed Constructions | 15 | Expired |
| USD312898S | Litter bagging tool | General | 9 | Expired |
| USD701652S1 | Shelter | General | 8 | Active |
| US6588680B2 | Spray device for irrigation | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4967091A | Reflective picture generator | Physics | 5 | Expired |
| US6632306B1 | Method and apparatus for splicing drip irrigation tape | Performing Operations; Transporting | 3 | Expired |
| US6369119B1 | Rosin emulsion | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5596095A | Formation and utility of sulfonic acid protecting groups | Emerging Cross-Sectional Technologies | 2 | Expired |
| USD377835S | Combined skylight and base | General | 1 | Expired |
| USD381436S | Base for skylight | General | 0 | Expired |
| US11319335B2 | Method for preparing hydrocarbylhydrocarbyloxysilanes | Chemistry; Metallurgy | 0 | Active |
| US9920079B2 | Process for production of halosilanes from silicon-containing ternary intermetallic compounds | Chemistry; Metallurgy | 0 | Active |
| US9107386B2 | Animal houses | Human Necessities | 0 | Active |
| US12378264B2 | Multifunctional organosilicon compound and related methods, compounds, and compositions | Chemistry; Metallurgy | 0 | Active |
| US5538899A | Analyzing for alkyl ketene dimers | Emerging Cross-Sectional Technologies | 0 | Expired |
| US7297787B2 | Process for preparing N6 substituted aminopurine ribofuranose nucleosides | Human Necessities | 0 | Expired |
| US12227529B2 | Method of preparing silanols with selective cytochrome P450 variants and related compounds and compositions | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.