Robert L. Gray
23Patents
8h-index
23Co-inventors
75Inventor score
Filing activity: Oct 14, 1982 → Sep 3, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5174796A | Process for the purification of natural gas | Emerging Cross-Sectional Technologies | 99 | Expired |
| US4693730A | Pressure swing adsorption product purity control method and apparatus | Performing Operations; Transporting | 80 | Expired |
| US4891147A | Stable liquid detergent containing insoluble oxidant | Chemistry; Metallurgy | 29 | Expired |
| US5019289A | Stable liquid detergent containing insoluble oxidant | Chemistry; Metallurgy | 25 | Expired |
| US5269960A | Stable liquid aqueous enzyme detergent | Chemistry; Metallurgy | 18 | Expired |
| US4709117A | Total isomerization process and apparatus | Chemistry; Metallurgy | 16 | Expired |
| US4476345A | N-Paraffin-isoparaffin separation process using wash of recycle purge gas | Chemistry; Metallurgy | 10 | Expired |
| US5067850A | Apparatus for detection and containment of pollutants in a drainage system | Fixed Constructions | 8 | Expired |
| US9662412B2 | Plasma vapor chamber and antimicrobial applications thereof | Human Necessities | 7 | Active |
| US9339572B2 | Methods and solutions for killing or deactivating spores | Human Necessities | 7 | Active |
| US9550007B2 | Methods and solutions for rapidly killing or deactivating spores | Human Necessities | 6 | Active |
| US4595490A | Processing of high normal paraffin concentration naphtha feedstocks | Chemistry; Metallurgy | 5 | Expired |
| US8925766B2 | Peroxide powered product dispensing system | Performing Operations; Transporting | 4 | Active |
| US9050383B2 | System and method for generation of active species in a media by UV radiation | Human Necessities | 4 | Active |
| US10897894B2 | Methods of and system for generating antimicrobial wipes | Electricity | 4 | Active |
| US11123446B2 | Scrubbing device for cleaning, sanitizing or disinfecting | Electricity | 3 | Active |
| US7604033B2 | Multi-purpose squeegee and cutting tool | Emerging Cross-Sectional Technologies | 2 | Active |
| US9446564B2 | Polyurethane based rigid flooring laminate | Emerging Cross-Sectional Technologies | 1 | Active |
| US9089244B2 | Peroxide powered product dispensing system | Performing Operations; Transporting | 1 | Active |
| US10336035B2 | Polyurethane based rigid flooring laminate | Emerging Cross-Sectional Technologies | 1 | Active |
| US8372509B2 | Decorative laminates incorporating flame retardant engineering thermoplastic films | Emerging Cross-Sectional Technologies | 0 | Active |
| US11825841B2 | Methods of and system for generating antimicrobial wipes | Electricity | 0 | Active |
| US11717585B2 | Scrubbing device for cleaning, sanitizing or disinfecting | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.