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:
Mar. 16, 2021
Filed:
Jun. 08, 2018
Applicant:
Alfmeier Präzision SE, Treuchtlingen, DE;
Inventor:
Jürgen Pfahler, Meinheim, DE;
Assignee:
Alfmeier Präzision SE, Treuchtlingen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60N 2/66 (2006.01); F16K 31/02 (2006.01); B60N 2/23 (2006.01); F16K 31/00 (2006.01); B60N 2/90 (2018.01);
U.S. Cl.
CPC ...
F16K 31/025 (2013.01); B60N 2/23 (2013.01); B60N 2/665 (2015.04); B60N 2/914 (2018.02); B60N 2/929 (2018.02); F16K 31/002 (2013.01); B60N 2002/924 (2018.02);
Abstract
A circuit arrangement for controlling a system, and a system having a circuit arrangement, both suitable for use with a lumbar support with at least two air cushions, may include actuators, voltage supply paths, and electronic switching elements.