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:
Apr. 17, 2001
Filed:
Jun. 19, 1998
Jan Dahlquist, Lund, SE;
Torsten Hedberg, Landvetter, SE;
AW Creative Technologies Limited, Cambridgeshire, GB;
Abstract
Flotation apparatus (,) for the purification of polluted water, comprising a flotation vessel (,) having an inlet means (,) for supplying polluted water to said vessel, an assembly (,) of spaced elements (,) defining passages for the flow of water through said elements, and outlet means for surface sludge (,) and outlet means (,) for treated water, further comprising flow directing means for forcing the incoming polluted water to reach a level above said assembly (,) and to flow downwardly through said assembly and towards said treated water outlet means (,); and a process for the purification of polluted water by flotation performed in such apparatus.