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:
Sep. 10, 2024
Filed:
Mar. 24, 2023
Applicant:
Hitachi Global Life Solutions, Inc., Tokyo, JP;
Inventors:
Assignee:
Hitachi Global Life Solutions, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F24F 7/06 (2006.01); F24F 11/74 (2018.01);
U.S. Cl.
CPC ...
F24F 7/06 (2013.01); F24F 11/74 (2018.01);
Abstract
An air conditioning system includes a first unit and a second unit. The space above the ceiling of each of a plurality of clean rooms is included in the chamber as a single space common to a plurality of the clean rooms. The first clean room is higher than the second clean room in air cleanliness.