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. 03, 2024
Filed:
Dec. 22, 2020
Lifestraw Sàrl, Lausanne, CH;
Mikkel Vestergaard-Frandsen, Tiburon, CA (US);
Alison Hill, Reisterstown, MD (US);
Le Thu Cao, Hanoi, VN;
Jean-Marc Pascal, Saint-Etienne de Crossey, FR;
Jean-Luc Madier, Divonne les Bains, FR;
Chung Quang Nguyen, Hanoi, VN;
Toan Huu Vu, Hanoi, VN;
Mathieu Corbineau, Bern, CH;
LIFESTRAW SÀRL, Lausanne, CH;
Abstract
Disclosed is a water filtration device which includes various hoses for connection between different parts of the filtration device and a rotatable cam system which, during backwash cycles, is rotated so as to clamp various the hoses in predetermined sequences for thereby controlling the direction of the flow of water through the tubing system. Electrical pinch valves are use alternatively to a cam shaft.