Joyce Thomas
19Patents
15h-index
9Co-inventors
71Inventor score
Filing activity: Jul 9, 1979 → Aug 5, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6558453B2 | Bagless dustcup | Emerging Cross-Sectional Technologies | 85 | Expired |
| US4665582A | Lightweight battery powered suction broom | Human Necessities | 85 | Expired |
| US7163568B2 | Bagless dustcup | Emerging Cross-Sectional Technologies | 56 | Expired |
| USD382681S | Vacuum cleaner | General | 51 | Expired |
| US6108864A | Vacuum cleaner having a reusable dirt cup | Human Necessities | 51 | Expired |
| USD421671S | Vacuum cleaner | General | 48 | Expired |
| USD283064S | Hand-held vacuum cleaner | General | 34 | Expired |
| US7412749B2 | Vacuum cleaner and floor dustpan system | Human Necessities | 31 | Active |
| US5390392A | Vacuum cleaner bag cover with enlarged access opening | Human Necessities | 28 | Expired |
| US5477586A | Vacuum cleaner with accessory shutoff | Human Necessities | 27 | Expired |
| USD355283S | Canister-type vacuum cleaner | General | 23 | Expired |
| USD290895S | Battery powered suction broom | General | 23 | Expired |
| USD288971S | Hand-held vacuum cleaner with extended nozzle | General | 19 | Expired |
| US7422614B2 | Bagless dustcup | Emerging Cross-Sectional Technologies | 16 | Active |
| US7628832B2 | Bagless dustcup | Emerging Cross-Sectional Technologies | 15 | Active |
| US6863702B2 | Bagless dustcup | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7967884B2 | Bagless dustcup | Emerging Cross-Sectional Technologies | 9 | Active |
| US4311493A | Vacuum cleaner bag assembly | Performing Operations; Transporting | 7 | Expired |
| US4240812A | Vacuum cleaner bag assembly | Performing Operations; Transporting | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.