Patent · US Expired

Liquid sprayers

US6502766B1 · kind B1 · utility

87Cited by
91References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 24, 2000
Grant dateJan 7, 2003
Priority date
Expiry dateJul 24, 2020

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01H3/0206
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A liquid sprayer is provided. This liquid sprayer comprises a bottle having an opening and a sprayer housing attached to the bottle. This sprayer housing includes an electric motor, a voltage source for powering the electric motor, a pump driven by the motor, a switch for completing an electrical circuit, a nozzle mechanism attached to the sprayer housing for spraying a liquid. The liquid sprayer also comprises a venting mechanism. This venting mechanism comprises a vent housing having an inner surface and an outer surface, and a translating piston disposed in the vent housing.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.