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. 06, 2017
Filed:
Aug. 02, 2013
Sartorius Stedim Biotech Gmbh, Goettingen, DE;
Stefan Zeuch, Goettingen, DE;
Thomas Regen, Goettingen, DE;
Gerhard Greller, Goettingen, DE;
Oscar-Werner Reif, Hannover, DE;
Abstract
A bioreactor has a reactor bag () with a predominantly flexible bag wall () that has a rigid bearing area. A stirrer arrangement () is in the bearing area and includes rigid profile ring () made of a non-magnetic material and fixed in the bearing area. The stirrer arrangement () also includes a shaftless stirrer () rotatably engaged with the profile ring () and having parts that are permanently magnetic. An electric coil arrangement () is outside the reactor bag () and can produce a rotating magnetic field that interacts with the permanent-magnetic areas of the stirrer () to produce a torque that rotates the stirrer () and circulates the contents of the bag ().