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:
Sep. 05, 2006
Filed:
Jun. 26, 2003
Graham Williams, Cheshire, GB;
Raj Odedra, Cheshire, GB;
Hugh Cunning, Cheshire, GB;
Lindsay Smith, Coventry, GB;
Graham Williams, Cheshire, GB;
Raj Odedra, Cheshire, GB;
Hugh Cunning, Cheshire, GB;
Lindsay Smith, Coventry, GB;
Epichem Limited, Wirral, GB;
Abstract
An apparatus for monitoring the level of a liquid in a vessel comprises at least one metallic probe hermetically sealed within the vessel, the probe having a sealing end and at least a portion of the probe constituting a first electrode, the sealing end of the probe being encased within a glass material, a second electrode spaced apart from said first electrode in a manner such that the first and second electrode together form part of a capacitor, a mechanism for supplying an electrical current from an applied electrical current source to the capacitor, and a mechanism for monitoring capacitance of the capacitor.