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:
Feb. 11, 2025
Filed:
Mar. 13, 2022
Applicant:
Geolog S.r.l., San Giuliano Milanese, IT;
Inventor:
Antonio Calleri, San Giuliano Milanese, IT;
Assignee:
Geolog S.r.l., Milan, IT;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 11/14 (2006.01); E21B 21/01 (2006.01); G01N 33/28 (2006.01);
U.S. Cl.
CPC ...
G01N 11/14 (2013.01); E21B 21/01 (2013.01); G01N 33/2823 (2013.01);
Abstract
Described herein is a rheometer comprising a rotor comprising a rotary shaft and at least two screws extending longitudinally along a first portion of said shaft; a motor coupled to said shaft and adapted to rotatably drive said rotor; a stator having a cylindrical shape and adapted to contain a fluid; wherein said at least two screws form a cylindrical twin helix; wherein said cylindrical twin helix has an inside radius of 2 mm to 10 mm and an outside radius of 10 to 20 mm; wherein said stator has a radius which is longer than the outside radius of said cylindrical twin helix.