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. 16, 1999
Filed:
Jul. 24, 1997
Applicant:
Inventors:
Willem Rens, Norfolk, GB;
Glenn R Welch, Silver Spring, MD (US);
Lawrence A Johnson, Silver Spring, MD (US);
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
422 73 ; 422 81 ; 422 99 ; 422100 ; 356 23 ; 356246 ; 356336 ; 239423 ;
Abstract
A sorting nozzle having two tapered zones with elliptical cross-sections is able to orient and sort a large fraction of asymmetrical or 'flattened' cells. This nozzle has particular application for sorting viable male (Y) and female (X) sperm populations in a cell sorter.