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:
Oct. 09, 2012
Filed:
Oct. 08, 2009
Jürg Schnidrig, Diegten, CH;
Jürg Schnidrig, Diegten, CH;
Sensile Pat AG, Hagendorf, CH;
Abstract
A cartridge () with a fill level detection system (), the cartridge comprising a substantially rigid containing wall () having a tubular wall portion () surrounding a chamber () for receiving liquid therein, a plunger or piston () mounted inside the chamber and configured to seal one side of the chamber, the plunger or piston being displaceable in the chamber towards an outlet end () of the cartridge, characterized in that the fill level detection system comprises a plurality of discrete fixed electrodes () positioned along the tubular wall portion in a juxtaposed manner in a direction of displacement D of the plunger or piston (), and a mobile electrode member () fixed to the plunger or piston and displaceable therewith.