Patent · US Active

Venting water-tight battery-operated devices

US7544439B2 · kind B2 · utility

3Cited by

11References

10Claims

0Family size

Assignee

The Gillette Company LLC · US

Inventors

Martin Diehl · Bad Vilbel, DE
Ulrich Fandrey · Wetzlar, DE
Uwe Schaaf · Zwingenberg, DE
Florina Winter · Schmitten, DE

Key dates

Filing date	Apr 27, 2005
Grant date	Jun 9, 2009
Priority date	—
Expiry date	Jul 18, 2027

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S277/928
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

Water-tight battery powered appliances, for example personal care appliances such as razors and toothbrushes, are provided. The appliances include a housing having a seal that allows gases, e.g., hydrogen, to vent from the appliance without allowing water to enter.

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