Charles A. Lang
22Patents
10h-index
64Co-inventors
78Inventor score
Filing activity: May 5, 2000 → Dec 20, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6385810B1 | Latch arrangement for a vacuum cleaner dirt receptacle | Performing Operations; Transporting | 37 | Expired |
| US7617563B2 | Liquid distribution system for a cleaning machine | Human Necessities | 35 | Expired |
| US6842942B2 | Nozzle assembly removal arrangement | Human Necessities | 32 | Expired |
| US7533439B2 | Handle assembly for a cleaning apparatus | Human Necessities | 29 | Expired |
| US6629332B2 | Floor cleaning device with a recovery tank | Emerging Cross-Sectional Technologies | 28 | Expired |
| US7331082B2 | Tank arrangement for a cleaning apparatus | Human Necessities | 28 | Expired |
| US6832409B2 | Wet/dry floor cleaning unit and method of cleaning | Human Necessities | 26 | Expired |
| US6640386B2 | Floor cleaning unit with a brush assembly | Human Necessities | 22 | Expired |
| US7178196B2 | Tank arrangement for a floor care appliance | Human Necessities | 12 | Expired |
| US8365347B2 | Wet/dry floor cleaning unit | Human Necessities | 11 | Active |
| US7222389B2 | Recovery tank for a floor cleaning device | Human Necessities | 10 | Expired |
| US7533442B2 | Wet/dry floor cleaning unit and method of cleaning | Human Necessities | 9 | Expired |
| US7430783B2 | Tank latching arrangement for a cleaning apparatus | Human Necessities | 9 | Active |
| US7367083B2 | Suction nozzle assembly for a cleaning apparatus | Human Necessities | 8 | Expired |
| US7363681B2 | Suction shut off device for a cleaning apparatus | Human Necessities | 4 | Expired |
| US6266845A | Latch arrangement for a vacuum cleaner dirt receptacle | General | 2 | Revoked |
| US11103637B2 | System for syringe engagement to an injector | Human Necessities | 1 | Active |
| US12239818B2 | System and method for detecting fluid type in tubing for fluid injector apparatus | Human Necessities | 0 | Active |
| US10806852B2 | System for syringe engagement to an injector | Human Necessities | 0 | Active |
| US11896352B2 | System, device and method for safeguarding the wellbeing of patients for fluid injection | Physics | 0 | Active |
| US11383029B2 | System for syringe engagement to an injector | Human Necessities | 0 | Active |
| US12285242B2 | System, device and method for safeguarding the wellbeing of patients for fluid injection | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.