Ralph Schwarz
15Patents
11h-index
28Co-inventors
72Inventor score
Filing activity: Feb 28, 1990 → Mar 15, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6802707B2 | Melting plate candles | Mechanical Engineering; Lighting; Heating | 67 | Expired |
| US6780382B2 | Simmer plate dispenser for volatile active materials | Mechanical Engineering; Lighting; Heating | 61 | Expired |
| US7566671B2 | Cleaning or dusting pad | Emerging Cross-Sectional Technologies | 47 | Active |
| US7032831B2 | Container for a device for dispensing a volatile liquid | Human Necessities | 36 | Expired |
| US8931971B2 | Cleaning pad impregnated with a volatile liquid for improved dust adhesion | Chemistry; Metallurgy | 32 | Active |
| US6444156B1 | Method of manufacturing gel candles having non-metal core wicks | Emerging Cross-Sectional Technologies | 31 | Expired |
| US6938883B2 | Guide for selectively receiving a wick in a dispenser for a volatile liquid | Emerging Cross-Sectional Technologies | 27 | Expired |
| US8851776B2 | Amphiphile surface treatment for a cleaning pad for improved dust adhesion | Performing Operations; Transporting | 25 | Active |
| US7784149B2 | Vacuum duster | Human Necessities | 16 | Active |
| US7467945B2 | Candle assembly and fuel element therefor | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US5005776A | Process and device to guide and sever a thread upon bobbin replacement | Performing Operations; Transporting | 11 | Expired |
| US7540473B2 | Dispensing system for a volatile liquid | Emerging Cross-Sectional Technologies | 5 | Active |
| US8733670B2 | Container for holding a volatile material and a wick | Human Necessities | 3 | Active |
| US10421237B2 | Sonotrode for an ultrasound welding system and method for welding a connection element to a component | Performing Operations; Transporting | 1 | Active |
| US9937633B2 | Punch for punching polymeric motor vehicle components | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.