08096329 is referenced by 13 patents and cites 163 patents.

A hand-held vacuum device includes a housing to hold an electrical motor operable to drive a piston pump that is configured to draw a substantially continuous vacuum for each complete cycle of the piston pump. The hand-held vacuum device also includes an expansion chamber releasably connected to and in fluid communication with the housing and a vacuum interface that has a vacuum connector in fluid communication with the expansion chamber and is configured to releasably couple to a valve disposed on a container. The expansion chamber separates air and liquid from a fluid drawn into the expansion chamber.

Title
Hand-held vacuum pump
Application Number
11/818703
Publication Number
8096329 (B2)
Application Date
June 15, 2007
Publication Date
January 17, 2012
Inventor
Jeramy M Dubay
Hope
MI, US
Robert R Turvey
Sanford
MI, US
Brian C Dais
Saginaw
MI, US
Bryan L Ackerman
Freeland
MI, US
Raechell M Thuot
Racine
WI, US
Assignee
S C Johnson & Son
WI, US
IPC
B65B 31/04
View Original Source