Patent · US Active

Draw back push pump

US8360286B2 · kind B2 · utility

25Cited by
4References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 7, 2010
Grant dateJan 29, 2013
Priority date—
Expiry dateJul 20, 2031

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB05B11/1097
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A piston pump dispenser having a reciprocating piston pump arrangement which in a dispensing stroke dispenses fluid from an outlet and in a charging stroke draws fluid from a reservoir and also draws back fluid from the outlet.

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