The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 11, 1997
Filed:
Jun. 20, 1995
Applicant:
Inventor:
David G Wardle, Tadworth, GB;
Assignee:
The BOC Group plc, Windlesham, GB;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B67D / ;
U.S. Cl.
CPC ...
2221466 ; 62 501 ; 222504 ; 222518 ;
Abstract
A liquid dispenser for dispensing liquid cryogen comprises a vessel (10) and a valve/actuator arrangement (16, 18) the valve being positioned within the vessel and operable to obturate or uncover an outlet orifice (14). The actuator (18) being positioned wholly or substantially outside the vessel, but being able to generate a magnetic force within the vessel for moving a magnet on the valve so as to move the valve between open and closed positions.