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:
May. 17, 2005
Filed:
Jul. 02, 2003
Applicant:
Anders T. Ragnarsson, Newton, NH (US);
Inventor:
Anders T. Ragnarsson, Newton, NH (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F26B013/30 ;
U.S. Cl.
CPC ...
Abstract
A material drying apparatus for substantially eliminating the liquid content of a sludge, the apparatus including a first stage operating at ambient pressure for heating the sludge; a second stage operating with partial vacuum for receiving heated sludge from the first stage for further heating and for drying the sludge by evaporation of substantially all liquid therefrom leaving a dry particulate material; and an evacuated cyclonic stage for applying sufficient centrifugal force to the dry particulate material to render this material odorless.