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:
Nov. 24, 2020
Filed:
Jun. 28, 2016
Dyson Technology Limited, Wiltshire, GB;
Richard David Nicolaou, Swindon, GB;
Dyson Technology Limited, Malmesbury, GB;
Abstract
The present invention relates to a surface cleaning apparatus comprising a regenerative filter having at least one filter, the at least one filter comprising a plurality of layers of filter material, the filter having a first filtering configuration where the plurality of layers are held together such that air to be cleaned can pass through the plurality of layers of filter media during use of the surface treating apparatus, and a second regeneration configuration wherein at least a portion of one of the plurality of layers of filter material is spaced from the remainder of the layers of filter material for regeneration, and a filter regenerator for regenerating the filter material.