Spray apparatus
US7478765B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Feb 13, 2006 |
| Grant date | Jan 20, 2009 |
| Priority date | — |
| Expiry date | Feb 13, 2026 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B1/202
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Spray apparatus of the kind having a liquid feed line connecting a supply of spray liquid and at least one spray nozzle, a return line from the spray nozzle to the supply and a pump for moving spray liquid from the supply to the at least one spray nozzle and for returning spray liquid from the at least one spray nozzle to the supply when the liquid is not being sprayed, characterised in that the liquid return line serves as at least a portion of the feed line when spraying.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.