Roland Muller
63Patents
16h-index
92Co-inventors
87Inventor score
Filing activity: Feb 2, 1989 → Aug 29, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5526733A | Brewing device for a household expresso coffee machine | Human Necessities | 79 | Expired |
| US5778765A | Beverage brewing apparatus | Human Necessities | 72 | Expired |
| US5392694A | Coffee maker | Mechanical Engineering; Lighting; Heating | 68 | Expired |
| US6904872B2 | Retractable leash for animals | Performing Operations; Transporting | 48 | Expired |
| US5933287A | Optical arrangement having a magnetic holding device | Physics | 46 | Expired |
| US5755136A | Device for monitoring a predetermined level of a liquid in a container | Emerging Cross-Sectional Technologies | 42 | Expired |
| US5836192A | Device for monitoring a predetermined level of a liquid in a container | Emerging Cross-Sectional Technologies | 40 | Expired |
| US6415660B1 | Method and apparatus for the highly accurate determination of the filling level of a product in a container | Physics | 27 | Expired |
| US5367607A | Brewed beverage maker with unpressurized boiler vessel steam generator tube and common heating element | Human Necessities | 25 | Expired |
| US6087978A | Level measuring device operating with microwave | Physics | 22 | Expired |
| US7375656B2 | Circuit configuration for a capacitive touch switch | Electricity | 19 | Active |
| US6142015A | Method and assembly for overfill detection in liquid level sensing in a vessel by the pulse transit time technique | Physics | 19 | Expired |
| US5457352A | Ultrasonic converter | Physics | 19 | Expired |
| US6606904B2 | Filling level gage | Physics | 19 | Expired |
| US6266022A | Device for determining the filling level of a filling material in a container | Physics | 18 | Expired |
| US5730025A | Device for monitoring a predetermined level of a liquid in a container | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6561079B1 | Steam generating device for heating and/or frothing liquids | Human Necessities | 16 | Expired |
| US6459037B2 | Line guiding arrangement for supporting energy lines | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US6672155B2 | Apparatus for determining the filling level of a filling material in a container | Physics | 15 | Expired |
| US5778726A | Device for monitoring a predetermined level of a liquid in a container | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5025465A | X-ray cassette for foils with phosphor layer | Physics | 12 | Expired |
| US6054946A | Radar-based method of measuring the level of a material in a vessel | Physics | 12 | Expired |
| US4965983A | Method and apparatus for feeding strips to a packaging machine | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6206158A | Wear indicator for friction clutches | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US7068213B2 | Level meter | Physics | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.