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. 09, 1976
Filed:
Nov. 19, 1974
Applicant:
Inventors:
Thomas F O'Sullivan, Wilton, CT (US);
Paul Korwin, Flushing, NY (US);
Assignee:
The Lummus Company, Bloomfield, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J / ; F15D / ; F15D / ;
U.S. Cl.
CPC ...
2328 / ; 2328 / ; 55387 ; 138 40 ; 138 42 ;
Abstract
A weight is attached to a conically shaped hollow member which rests on the top of a bed of particulate material in a tube, with the weight functioning to prevent fluidization of the material in the tube. The conical member is provided with elongated slots whereby fluid exiting from the bed flows into the interior of the hollow member, through the slots and into the tube outlet.
Quick Actions:
O'Sullivan, Thomas. (1976). Device for retaining particulate material in upflow tubes (U.S. Patent No. 3990858). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3990858
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile