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. 16, 2003
Filed:
May. 22, 2001
Applicant:
Inventors:
Ole Hindsgaul, Edmonton, Alberta, CA;
David C. Schriemer, Edmonton, Alberta, CA;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 4/904 ; H01J 4/910 ;
U.S. Cl.
CPC ...
H01J 4/904 ; H01J 4/910 ;
Abstract
An electrospray apparatus employing multiple electrospray needles mounted on a rotatable plate sequentially delivers multiple sample streams to a mass spectrometer for analysis. The electrospray device includes an electrospray chamber, a rotatable needle supporting plate, a plurality of electrospray needles mounted on the plate, and a charger for applying a charge to droplets delivered to the electrospray chamber by the needles. The rotatable electrospray apparatus provides fast repetitive screening of simultaneously operating chromatography columns with a single mass spectrometer.