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.

Date of Patent:
Apr. 11, 1995

Filed:

May. 18, 1994
Applicant:
Inventor:

Duan-Fan Wang, Hillsborough, NJ (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65G / ; B01J / ;
U.S. Cl.
CPC ...
406146 ; 406137 ; 422139 ; 422145 ;
Abstract

An article of manufacture comprising (i) a double cone having apexes at opposite ends, said double cone having independent gas inlet means at about the apex of the first cone and multiple independent gas outlet means in the second cone, and (ii) a hollow tube, open at both ends, inside the double cone running from one apex to the other apex having independent gas inlet means at the apex of the first cone and independent gas outlet means at the apex of the second cone.


Find Patent Forward Citations

Loading…