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. 28, 2024
Filed:
Jun. 11, 2021
Applicant:
Hitachi Industrial Equipment Systems Co., Ltd., Tokyo, JP;
Inventors:
Takeshi Kaneko, Tainai, JP;
Takeshi Matsumura, Tainai, JP;
Assignee:
Hitachi Industrial Equipment Systems Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01L 1/04 (2006.01); F24F 8/108 (2021.01);
U.S. Cl.
CPC ...
B01L 1/04 (2013.01); F24F 8/108 (2021.01); B01L 2200/0631 (2013.01); B01L 2200/0684 (2013.01); B01L 2300/04 (2013.01);
Abstract
A safety cabinet that includes an opening portion in a front surface of a work space and a front shutter, and supplies purified air into the work space from above. The front shutter slides in an upward and downward direction to close a part or an entirety of the opening portion. The front shutter includes a small window shutter that slides in a lateral direction.