Handheld sprayer with removable cartridge and method of using same
US7673819B2 · kind B2 · utility
2Cited by
28References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 26, 2006 |
| Grant date | Mar 9, 2010 |
| Priority date | — |
| Expiry date | Jul 19, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B9/0838
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A cartridge for a handheld electrohydrodynamic (EHD) spraying device and a spraying device incorporating the cartridge. The cartridge is disposable, and can contain therapeutic products. The device includes a wetted lead screw with a compliant seal, where the placement of the seal relative to the screw inhibits leakage during both cartridge use and storage. A frame disposed within the cartridge acts as a load-transferring mechanism for the weight of the cartridge to a handle of the spraying device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.