Ralph McCann
18Patents
7h-index
36Co-inventors
66Inventor score
Filing activity: May 15, 1998 → Mar 13, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6572122B2 | Multiple child seat nestable shopping cart | Performing Operations; Transporting | 53 | Expired |
| US6270093A | Multiple child seat nestable shopping cart | Performing Operations; Transporting | 47 | Expired |
| USD470292S1 | Cart | General | 40 | Expired |
| USD425681S | Ergonomic handgrip for a shopping cart | General | 21 | Expired |
| USD767782S1 | Cartridge assembly | General | 16 | Active |
| US8679260B2 | Methods and systems for movement of an automatic cleaning device using video signal | Human Necessities | 16 | Active |
| US8423225B2 | Methods and systems for movement of robotic device using video signal | Physics | 15 | Active |
| USD521709S1 | Bulk item cart | General | 7 | Expired |
| US10144138B2 | Long-range sonar | Physics | 5 | Active |
| US9028617B2 | Cleaning device with single tank recycling system | Performing Operations; Transporting | 5 | Active |
| USD799713S1 | Cleaning station assembly | General | 5 | Active |
| US9609991B2 | Methods and systems for movement of an automatic cleaning device using video signal | Human Necessities | 2 | Active |
| USD408956S | Plastic bottom tray for a shopping cart | General | 1 | Expired |
| US9895041B2 | Cleaning device with single tank recycling system | Performing Operations; Transporting | 1 | Active |
| US11255411B2 | Mechanism for securing device | Electricity | 1 | Active |
| US10034590B2 | Cleaning device with single tank recycling system | Performing Operations; Transporting | 0 | Active |
| US11097433B2 | Long-range sonar | Physics | 0 | Active |
| US11119397B2 | Diagnostic camera apparatus and method for inspection of an enclosed tube system | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.