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:
May. 16, 2017
Filed:
Jan. 31, 2012
Elmar Swiegot, Wertheim, DE;
Alan Shinn, Berkeley, CA (US);
Chiko Fan, San Jose, CA (US);
David King, Pleasanton, CA (US);
Elias Elias, Milton, MA (US);
Elmar Swiegot, Wertheim, DE;
Alan Shinn, Berkeley, CA (US);
Chiko Fan, San Jose, CA (US);
David King, Pleasanton, CA (US);
Elias Elias, Milton, MA (US);
Sage Vision Inc., Milton, MA (US);
Abstract
The invention relates to a dosing device for dispensing and/or receiving a dosed amount of a liquid, comprising a piston device being disposed in a housing and a device for determining the stroke of the piston and/or the position of the piston, wherein the device for determining the stroke of the piston and/or the position of the piston features at least one scalar element and at least one measuring device, wherein the scalar element is fixedly disposed at the housing of the piston device and the measuring device is directly or indirectly connected to the piston and can be moved together with the piston, or wherein the scalar element is disposed at the piston so as to be movable with the piston and the measuring device is fixedly disposed at the housing, and wherein the scalar element is designed as an absolutely coded scale.