Robert Johnson
16Patents
10h-index
18Co-inventors
69Inventor score
Filing activity: Jan 6, 1977 → Aug 21, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4255927A | Combustion control system | Mechanical Engineering; Lighting; Heating | 55 | Expired |
| US4580788A | Split ring sealing device for high pressure service | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US6137093A | High efficiency heating agents | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4785604A | Collapsible gridworks for forming structures by confining fluent materials | Fixed Constructions | 17 | Expired |
| US4945689A | Collapsible gridwork for forming structures by confining fluent materials | Fixed Constructions | 14 | Expired |
| US6023054A | High efficiency heating agents | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4128339A | Automatically-adjusting photometer | Physics | 12 | Expired |
| USD285334S | Gas flame igniter | General | 11 | Expired |
| US6423953B1 | Plastic heating composition including high efficiency heating agents and methods of use | Emerging Cross-Sectional Technologies | 10 | Expired |
| US9207727B2 | Determining air filter replacement conditions using air flow and energy consumption values | Physics | 10 | Active |
| US4779333A | Sleeve to tubesheet expander tool | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4895204A | Tube support vibration suppression device and method | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US6677559B2 | Thermoset heating composition including high efficiency heating agents and methods of use | Emerging Cross-Sectional Technologies | 3 | Expired |
| US10719091B2 | Temperature control | Physics | 1 | Active |
| US6930291B2 | Adhesive or sealant composition including high efficiency heating agents and methods of use | Emerging Cross-Sectional Technologies | 1 | Expired |
| US12198945B2 | Vapor delivery head for preventing stiction of high aspect ratio structures and/or repairing high aspect ratio structures | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.