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. 07, 2015
Filed:
Nov. 21, 2012
Nilfisk-advance A/s, DK-2605 Brøndby, DK;
Nilfisk-Advance A/S, Brøndby, DK;
Abstract
A system has a primary unit () and a number of secondary units (), which may be stored in receiving slots in the primary cleaning unit () or be coupled to the primary unit. The primary and secondary units are configured as movable cleaning or grounds maintenance units capable of performing at least one cleaning or grounds maintenance operation. The primary unit () is powered by a power source (), which also powers the secondary unit () or charges a power source () in the secondary unit (). Each unit has a communications module () capable of communicating with each other and/or a remote location. At least one of the units () may include one or more proximity or near-field sensors and/or one or more sensor for sensing the performance of the unit ().