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. 23, 2023
Filed:
Nov. 09, 2017
Applicant:
Metawater Co., Ltd., Tokyo, JP;
Inventors:
Yoshiyuki Sugawara, Tokyo, JP;
Masafumi Tan, Tokyo, JP;
Assignee:
Metawater Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 11/125 (2019.01); B01D 21/24 (2006.01); C02F 11/12 (2019.01); C02F 3/30 (2023.01); B30B 9/16 (2006.01);
U.S. Cl.
CPC ...
C02F 11/125 (2013.01); B01D 21/2461 (2013.01); B30B 9/166 (2013.01); C02F 3/302 (2013.01); C02F 11/12 (2013.01); C02F 2301/046 (2013.01);
Abstract
A screw type separation device includes: a casing that has a separated liquid discharge port on one end part side and has an object discharge port on the other end part side, while the other end part side is positioned lower, in terms of vertical directions, than the one end part side; a screw shaft provided inside the casing; a first screw blade; and a second screw blade that forms a first space between one face and the first screw blade facing the one face and forms a second space between the other face and the first screw blade facing the other face.