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. 29, 2018
Filed:
Feb. 16, 2015
Applicants:
Wing-tak Hui, Hong Kong, CN;
Andrew Matthew Hui, San Jose, CA (US);
Wing-kin Hui, Hong Kong, CN;
Inventors:
Assignee:
COMPUROBOT TECHNOLOGY COMPANY, Dongguan, Guangdong, CN;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E04H 4/16 (2006.01);
U.S. Cl.
CPC ...
E04H 4/1636 (2013.01); E04H 4/1618 (2013.01);
Abstract
A pool cleaner having a coarse filter and a fine filter. The coarse filter removes large pieces of debris. The fine filter removes fine particles from the water. In an embodiment, the fine filter is a filter bag made from a cloth material. In an embodiment, the coarse filter is a mesh grating with small holes. In an embodiment, the fine filter is supported by a rigid mesh placed downstream from the coarse filter.