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. 27, 2012
Filed:
Nov. 12, 2010
Applicants:
Osmo Suovaniemi, Helsinki, FI;
Pertti Ekholm, Helsinki, FI;
Inventors:
Osmo Suovaniemi, Helsinki, FI;
Pertti Ekholm, Helsinki, FI;
Assignee:
Sartorius Biohit Liquid Handling Oy, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01L 3/02 (2006.01); G01N 1/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
This invention relates to plunger operated liquid dispensers, such as hand held pipettors, which are used to portion liquids. Specifically the invention relates to a reliable removal of a liquid from the liquid dispenser. According to the invention the plunger of the liquid dispenser is arranged into a speeded up movement while removing the liquid. This change in speed is preferably sudden.