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| Number | Title | Issue Date |
| 8118943 | Directional control for dual brush robotic pool cleaners A self-propelled robotic pool cleaner (100) has a first pair of driven brushes (12, 14) and second pair of free brushes co-axially mounted for rotation on axles (16) at the opposite ends of the pool cleaner that are transverse to the direction o... | 02/21/2012 |
| 7827643 | Automated swimming pool cleaner with stationary projecting pivot member A self-propelled apparatus for cleaning the submerged bottom surfaces of a pool or tank in a predetermined regular pattern includes a reversible drive means for propelling the apparatus in opposite directions corresponding to the longitudinal axis of the apparatus. ... | 11/09/2010 |
| 7316751 | Cleaner with high pressure cleaning jets A swimming pool cleaner discharges water jets under the cleaner body, directed toward its center from its sides, to agitate and lift debris toward one or more vacuum intake openings, to greatly enhance the cleaning ability of the cleaner. The suspended dirt and debr... | 01/08/2008 |
| 7165284 | Water jet reversing propulsion and directional controls for automated swimming pool cleaners A pool or tank cleaner that is propelled by means of one or more water jets is directed in one or more predetermined systematic scanning patterns of either straight, curvilinear, or combinations of both, by an apparatus and method that controls and varies the direct... | 01/23/2007 |
| 7118678 | Portable ozone treatment for swimming pools A portable battery-powered ozone generator, or ozonator, contained in a waterproof housing with an air intake and an ozone discharge conduit diffuses ozone directly into a body of water in a pool, pond or tank. The ozone generator and housing can be part of (1) a bu... | 10/10/2006 |
| 6971136 | Cleaner with high pressure cleaning jets A swimming pool cleaner discharges water jets under the cleaner body, directed toward its center from its sides, to agitate and lift debris toward one or more vacuum intake openings, to greatly enhance the cleaning ability of the cleaner. The suspended dirt and debr... | 12/06/2005 |
| 6842931 | Submersible pool cleaner with integral rechargeable battery A submersible robotic pool cleaner is provided with an integral sealed rechargeable battery and an inductive charging assembly, a first portion of which is mounted in the pool cleaner housing and during the charging, receives a second separate portion that is connec... | 01/18/2005 |
| 6815918 | Pool cleaning method and apparatus A method for cleaning the bottom of a pool uses an automated programmed pool cleaner capable of reversing movement and turning that is initially placed at an arbitrary location on the bottom of the pool and moved in a forward direction until it encounters an upright... | 11/09/2004 |
| 6758226 | Motion detection and control for automated pool cleaner An automated power-driven pool cleaning apparatus is provided with a motion translating member that contacts the surface being cleaned, an associated signal transmitter and a sensor that is connected to the pool cleaner's programmed electronic control device, or chi... | 07/06/2004 |
| 6742613 | Water jet reversing propulsion and directional controls for automated swimming pool cleaners A robotic pool or tank cleaner is supported by wheels that are mounted on fixed or movable axles that form an acute angle with the longitudinal axis of the pool cleaner's body when the cleaner moves in either or both of two opposing directions to thereby provide a v... | 06/01/2004 |
