Patent · US Active

Diffusion device and method of diffusing

US7469844B2 · kind B2 · utility

48Cited by

226References

19Claims

0Family size

Assignee

S. C. JOHNSON & SON, INC. · US

Inventors

Simon M. Conway · Lima, US
Thomas Jaworski · Racine, US
Heather Schramm · Whitewater, US
Scott D. Walter · New Richmond, US
Jeffrey L. Crull · McFarland, US
Lawrence J. Fenske · Oregon, US
Jonathan M. Mick · Sun Prairie, US

Key dates

Filing date	May 18, 2005
Grant date	Dec 30, 2008
Priority date	—
Expiry date	Oct 23, 2026

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S261/88
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A diffusion device comprises a bottom portion having a bottom cover disposed thereon. The device further includes a top portion having a top cover disposed atop the bottom portion and a pump assembly disposed between the top cover and the bottom cover. First, second, and third arm portions extend from the pump assembly, wherein the first, second, and third arm portions include first, second, and third piezoelectric devices, respectively, attached thereto.

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