David Helmlinger
11Patents
8h-index
24Co-inventors
68Inventor score
Filing activity: Jul 30, 1996 → Jul 2, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6780077B2 | Master and slave toy vehicle pair | Human Necessities | 62 | Expired |
| US6692333B2 | Toy vehicle | Human Necessities | 27 | Expired |
| US6726523B2 | Remote-controlled toy skateboard device | Human Necessities | 25 | Expired |
| US6960112B2 | Airfoil blade with cushioned edge for powered toy aircraft | Human Necessities | 20 | Expired |
| US7758399B2 | Remote controlled toy vehicle, toy vehicle control system and game using remote controlled toy vehicle | Human Necessities | 17 | Active |
| US6971942B2 | Rotary feedback mechanism for a toy | Human Necessities | 17 | Expired |
| US6698438B2 | Dishwasher fine filter assembly with helical flow path | Human Necessities | 15 | Expired |
| US7905761B2 | Remote controlled toy vehicle, toy vehicle control system and game using remote controlled toy vehicle | Human Necessities | 9 | Active |
| US6641058B2 | Dishwasher spray arm hub and conduit assembly | Human Necessities | 8 | Expired |
| US5730767A | Sealing apparatus in a belt-type filter | Performing Operations; Transporting | 1 | Expired |
| US7266919B2 | Motion-detecting note holder | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.