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:
Oct. 13, 1992
Filed:
Oct. 05, 1988
Applicant:
Inventors:
Yoshio Kawamura, Kokubunji, JP;
Kazuo Sato, Tokyo, JP;
Shinji Tanaka, Akishima, JP;
Hiroyuki Kohida, Fuchu, JP;
Masatoshi Sakurano, Shimizu, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ; C25D / ;
U.S. Cl.
CPC ...
2042 / ;
Abstract
A cell handling apparatus is provided with a device for moving cells which are held in chambers of the apparatus, at predetermined periods, preferably a device for generating pulse-like changes in fluid pressure of the chambers, so as to prevent the same portions of the cells from remaining in contact with the wall surfaces of the chambers over a predetermined period of time.