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. 14, 2008
Filed:
Oct. 29, 2004
Applicants:
Hansjörg Cueni, Stansstad, CH;
Heiner Scherrer, Büsserach, CH;
Inventors:
Hansjörg Cueni, Stansstad, CH;
Heiner Scherrer, Büsserach, CH;
Assignee:
CTC Analytics AG, Zwingen, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01L 3/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
Sample pipettes used in particular for injecting samples into high pressure liquid chromatography apparatuses, which are provided with a hollow needle for drawing a sample and expelling same into a container or into a sample receiving device of the apparatus. An interchangeable cannula is mounted on the hollow needle of such a pipette, said cannula being capable of containing additional functional elements such as filters, chemically active phases and the like.