Robert A. DeMars
123Patents
27h-index
15Co-inventors
87Inventor score
Filing activity: Sep 23, 1977 → Jul 5, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5409126A | Storage container with reversible lid | Performing Operations; Transporting | 189 | Expired |
| US5094359A | Combination packaging/shipping carton and ice bucket | Performing Operations; Transporting | 129 | Expired |
| US4630752A | Trash can hoop retainer | Emerging Cross-Sectional Technologies | 90 | Expired |
| US5613890A | Motorized bubble making and propelling toy gun with lateral wiper | Human Necessities | 80 | Expired |
| US4654274A | Reusable cup holder | Emerging Cross-Sectional Technologies | 73 | Expired |
| US5498191A | Bubble producing toy | Human Necessities | 72 | Expired |
| US5350215A | Leisure chair | Human Necessities | 63 | Expired |
| US5803471A | Collapsible dolly | Performing Operations; Transporting | 60 | Expired |
| USD254417S | Detachable handle for a beverage can or the like | General | 56 | Expired |
| US5499763A | Collapsible container | Human Necessities | 56 | Expired |
| US4899902A | No spill lid | Performing Operations; Transporting | 56 | Expired |
| US4691383A | Compact radio | Electricity | 51 | Expired |
| US4600113A | Refuse container having self-contained scoop and lid | Emerging Cross-Sectional Technologies | 45 | Expired |
| US4791030A | Super hero cup holder | Human Necessities | 42 | Expired |
| US4635361A | Disposable razor | Performing Operations; Transporting | 41 | Expired |
| US6606987B2 | Cooking apparatus | Human Necessities | 39 | Expired |
| US5456378A | Container opening apparatus | Performing Operations; Transporting | 36 | Expired |
| US5520564A | Large bubble producing toy | Human Necessities | 36 | Expired |
| US4918290A | Portable towel heating device | Mechanical Engineering; Lighting; Heating | 33 | Expired |
| US5131555A | Beverage container opening top | Performing Operations; Transporting | 33 | Expired |
| US7225633B2 | Rotary food server | Emerging Cross-Sectional Technologies | 33 | Expired |
| US5404600A | Combination sleeping/carry bag | Human Necessities | 32 | Expired |
| US5323492A | Illuminated article of wearing apparel with afterglow | Physics | 31 | Expired |
| US4602723A | Handle for beverage can | Human Necessities | 30 | Expired |
| US5177812A | Illuminated article of wearing apparel | Physics | 29 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.