Hans Reinhardt
16Patents
9h-index
8Co-inventors
65Inventor score
Filing activity: Feb 25, 1975 → Oct 17, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3966569A | Method of recovering metal from metalliferous waste | Emerging Cross-Sectional Technologies | 37 | Expired |
| US4124462A | Recovering zinc from a material containing zinc and iron | Emerging Cross-Sectional Technologies | 32 | Expired |
| US6605210B2 | Hydraulic fluid filter device | Performing Operations; Transporting | 27 | Expired |
| US4252621A | Process of regenerating an ammoniacal etching solution | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4226791A | Method and a reagent mixture for removing metal ions from an aqueous solution by means of liquid-liquid extraction | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5772868A | Hydraulic filter circuit with pressure maintaining valves, bypass and vent | Performing Operations; Transporting | 12 | Expired |
| US6520506B2 | Radial shaft seal | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US4053553A | Method for selective recovery of cadmium from cadmium-bearing waste | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4617513A | Measurement device for use in high-voltage gas-insulated switch gear | Electricity | 9 | Expired |
| US4151076A | Method of eliminating the influence of surfactants on the separation properties in liquid extraction systems | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6367812B1 | Radial shaft-sealing ring and process for manufacturing the same | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US4350667A | Extraction of copper from an ammoniacal copper solution | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4203964A | Re-extracting metal chloride complex from an organic extraction solution | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4105743A | Selectively extracting copper, zinc, nickel from a mixture of metal hydroxides | Emerging Cross-Sectional Technologies | 5 | Expired |
| US12043974B2 | Specialized civil engineering machine, in particular slotted wall milling machine | Fixed Constructions | 0 | Active |
| US11248363B2 | Work machine having adjustable hydraulic motors | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.