Hartley H. Downs
12Patents
7h-index
23Co-inventors
66Inventor score
Filing activity: Dec 12, 1985 → Jul 23, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8356667B2 | Liquid crystals for drilling, completion and production fluids | Chemistry; Metallurgy | 49 | Active |
| US4855060A | Method and additive for clarifying aqueous systems without production of uncontrollable floc | Chemistry; Metallurgy | 17 | Expired |
| US5057228A | Metal ion complexes for use as scale inhibitors | Chemistry; Metallurgy | 10 | Expired |
| US5190683A | Water clarification composition containing a water clarifier component and a floc modifier component | Chemistry; Metallurgy | 9 | Expired |
| US5006274A | Additive for clarifying aqueous systems without production of uncontrollable floc | Chemistry; Metallurgy | 8 | Expired |
| US5302296A | Water clarification using compositions containing a water clarifier component and a floc modifier component | Chemistry; Metallurgy | 7 | Expired |
| US5207919A | Metal ion complexes for use as scale inhibitors | Chemistry; Metallurgy | 7 | Expired |
| US4612332A | Novel polymeric foams and foaming compositions | Chemistry; Metallurgy | 6 | Expired |
| US6723249B2 | Detoxification of onium compounds | Emerging Cross-Sectional Technologies | 2 | Expired |
| US10323512B2 | System and method for downhole inorganic scale monitoring and intervention in a production well | Fixed Constructions | 1 | Active |
| US10323513B2 | System and method for downhole organic scale monitoring and intervention in a production well | Fixed Constructions | 1 | Active |
| US6841089B2 | Detoxification of onium compounds | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.