Patent · US Active

Soap dispensing pump head with vacuum applying drip guard member

US7780039B2 · kind B2 · utility

22Cited by

15References

17Claims

0Family size

Assignee

BUCKEYE INTERNATIONAL, INC. · US

Inventors

Scott Criswell · Maryland Heights, US
Casey B. Stahl · Lake Zurich, US
Mark Hirte · Deerfield, US
Lawrence R. Happ · Lake Geneva, US

Key dates

Filing date	Apr 28, 2006
Grant date	Aug 24, 2010
Priority date	—
Expiry date	Jan 22, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/49947
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A pump head assembly for a soap container. The pump head including a drip guard member which applies a vacuum to an internal passageway of the pump head assembly following dispensing of soap in order to draw an residual soap out of the internal passageway and thus prevent dripping.

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