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:
Jun. 14, 2022
Filed:
Feb. 27, 2018
Applicant:
Screen Holdings Co., Ltd., Kyoto, JP;
Inventors:
Masahito Kashiyama, Kyoto, JP;
Toshiya Kuwahara, Kyoto, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 29/96 (2006.01); B01D 35/30 (2006.01); H01L 21/687 (2006.01); H01L 21/67 (2006.01); B01D 35/02 (2006.01);
U.S. Cl.
CPC ...
B01D 29/96 (2013.01); B01D 35/02 (2013.01); B01D 35/30 (2013.01); B01D 35/306 (2013.01); H01L 21/67023 (2013.01); H01L 21/68764 (2013.01); B01D 2201/303 (2013.01); B01D 2201/4007 (2013.01); B01D 2201/4023 (2013.01); B01D 2201/4046 (2013.01); B01D 2201/4076 (2013.01);
Abstract
Disclosed is a filter coupling device having joint members, a base plate, a filter holder, a rotation shaft, and a leg. The filter holder allows support of a first filter and a second filter. The rotation shaft is connected with the filter holder. The filter holder takes a first attitude and a second attitude by rotating around the rotation shaft. The filter holder includes a first filter holder configured to support the first filter in the first attitude, and a second filter holder configured to support the second filter in the second attitude.