Patent · US Expired

Spray apparatus

US7478765B2 · kind B2 · utility

4Cited by
8References
6Claims
0Family size

Inventor

Key dates

Filing dateFeb 13, 2006
Grant dateJan 20, 2009
Priority date
Expiry dateFeb 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.