Spray wand
US11833553B2 · kind B2 · utility
1Cited by
17References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 22, 2021 |
| Grant date | Dec 5, 2023 |
| Priority date | — |
| Expiry date | Feb 23, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB08B2203/0217
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A spray wand for use with a chemical or chemical formulation in solid form. The wand hose end has a wand hose end valve for control of water flow from a hose. A refill cartridge having a swirl chamber may be attached to the hollow tube. The refill cartridge has at least one nub, indent and/or external channel or groove on its external surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.