Robert J. Schaefer
25Patents
17h-index
22Co-inventors
81Inventor score
Filing activity: Dec 29, 1995 → Apr 15, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD381558S | Drinking cup | General | 87 | Expired |
| USD635855S1 | Drink cup lid | General | 78 | Expired |
| USD539650S1 | Upper panel of a drink cup lid | General | 76 | Expired |
| US5667135A | Thermal insulating sleeve for drink cups | Performing Operations; Transporting | 67 | Expired |
| USD535561S1 | Upper panel of a drink cup lid | General | 64 | Expired |
| US6357619B1 | Domed cup lids especially for use with frozen carbonated beverages | Performing Operations; Transporting | 53 | Expired |
| USD539649S1 | Upper panel of a drink cup lid | General | 51 | Expired |
| USD383947S | Thermal insulating sleeve for drink cups | General | 49 | Expired |
| US7699216B2 | Two-piece insulated cup | Performing Operations; Transporting | 46 | Active |
| USD536249S1 | Upper panel of a drink cup lid | General | 45 | Expired |
| USD540167S1 | Upper panel of a drink cup lid | General | 42 | Expired |
| USD449986S | Domed cup lid | General | 42 | Expired |
| USD440155S | Domed container lid | General | 41 | Expired |
| USD530602S1 | Top center panel of a cup lid | General | 31 | Expired |
| USD701700S1 | Container lid | General | 27 | Active |
| USD484362S1 | Cup | General | 25 | Expired |
| US5799814A | Drink-through lid for container | Performing Operations; Transporting | 21 | Expired |
| USD609513S1 | Cup holder | General | 17 | Expired |
| US7195130B2 | Drinking cup lids with promotional game piece | Performing Operations; Transporting | 17 | Expired |
| US8733585B2 | Folding container lid | Emerging Cross-Sectional Technologies | 7 | Active |
| USD741066S1 | Container lid | General | 7 | Active |
| US10940980B1 | Disposable cup lid | Performing Operations; Transporting | 5 | Active |
| US10351308B1 | Disposable cup lid | Performing Operations; Transporting | 5 | Active |
| US9555916B2 | Paperboard container having increased rigidity and method of manufacturing thereof | Performing Operations; Transporting | 2 | Active |
| US11472614B2 | Disposable cup lid | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.