Spray wand
US11679404B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 16, 2020 |
| Grant date | Jun 20, 2023 |
| Priority date | — |
| Expiry date | Dec 16, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB08B3/028
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A spray wand for use with a chemical or chemical formulation in solid form. The spray wand has a spray wand body having a hollow tube with an angled wand spray end, a spray end selector attached to the angled wand spray end, a wand hose end screen inserted into or otherwise attached to the hollow tube of the spray wand body, and a wand hose end connected to the spray wand body. 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 external channels or grooves on its external surface as a water rinse feature for the spray wand.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.