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:
Jun. 24, 2003
Filed:
Dec. 20, 2001
Applicant:
Inventor:
Wayne Ernest Conrad, Hampton, CA;
Assignee:
Polar Light Limited, Tai Po, HK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 4/516 ; B01D 5/000 ;
U.S. Cl.
CPC ...
B01D 4/516 ; B01D 5/000 ;
Abstract
An improved two-stage separator uses reusable containers for collecting particles separated by each separation stage. The reusable containers are constructed such that a user empties both reusable containers by the actions required to empty just one of the reusable containers.