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:
May. 31, 2016
Filed:
Oct. 28, 2013
Applicant:
Lifestraw SA, Lausanne, CH;
Inventors:
Mikkel Vestergaard Frandsen, Lausanne, CH;
Daniel Frauchiger, Prilly, CH;
Jean-Luc Madier de Champvermeil, Divonne les Bains, FR;
Jean-Marc Pascal, Voreppe, FR;
Luc Stoops, Tilburg, NL;
Assignee:
LifeStraw SA, Lausanne, CH;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 61/18 (2006.01); B01D 63/02 (2006.01); B01D 63/06 (2006.01); B01D 65/02 (2006.01); B01D 69/14 (2006.01); C02F 1/00 (2006.01); B01D 24/00 (2006.01); C02F 1/32 (2006.01); C02F 1/44 (2006.01); C02F 1/50 (2006.01); C02F 1/76 (2006.01);
U.S. Cl.
CPC ...
B01D 23/24 (2013.01); B01D 61/18 (2013.01); B01D 63/02 (2013.01); B01D 63/06 (2013.01); B01D 65/02 (2013.01); B01D 69/147 (2013.01); C02F 1/003 (2013.01); B01D 2313/13 (2013.01); B01D 2313/20 (2013.01); B01D 2313/50 (2013.01); B01D 2321/04 (2013.01); C02F 1/32 (2013.01); C02F 1/444 (2013.01); C02F 1/50 (2013.01); C02F 1/76 (2013.01); C02F 2303/16 (2013.01);
Abstract
A device () for purification of water driven by gravity through a purification unit between an upper dirt water container () and a lower clean water tank (). A backwash system may be integrated, the system comprising a receptacle () for accumulation of the backwash water to prevent consumption thereof by mistake.