Patents Examined by David Redding
  • Patent number: 11571102
    Abstract: A method of controlling a moving robot is provided. The method of controlling a moving robot includes the steps of: (a) performing a basic motion of the moving robot which moves on a rotating mop; (b) measuring the slip rate of the moving robot; and (c) controlling the travel of the moving robot.
    Type: Grant
    Filed: January 19, 2018
    Date of Patent: February 7, 2023
    Assignee: LG ELECTRONICS INC.
    Inventors: Jaewon Jang, Sungho Yoon, Jeongseop Park
  • Patent number: 11571097
    Abstract: A surface cleaning apparatus has a cyclone assembly that comprises a cyclone and a dirt collection chamber exterior to the cyclone. The cyclone has a cyclone axis of rotation and the cyclone assembly has first and second opposed ends with sides extending between the first and second ends. The cyclone axis of rotation extends axially through the first and second ends and one of the sides is openable.
    Type: Grant
    Filed: June 18, 2021
    Date of Patent: February 7, 2023
    Assignee: Omachron Intellectual Property Inc.
    Inventor: Wayne Ernest Conrad
  • Patent number: 11571096
    Abstract: A reconfigurable surface cleaning apparatus is provided.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: February 7, 2023
    Assignee: Omachron Intellectual Property Inc.
    Inventor: Wayne Ernest Conrad
  • Patent number: 11547255
    Abstract: A cleaning robot includes a top cover, a bottom cover provided below the top cover, traveling parts provided in the bottom cover, a suction module provided in the bottom cover to suck in foreign materials on the ground, a recessed part firmed to be recessed inward between the top cover and the bottom cover, and a first sensor located in the recessed part.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: January 10, 2023
    Assignee: LG ELECTRONICS INC.
    Inventors: Hyunsup Song, Hanshin Kim
  • Patent number: 11547265
    Abstract: A cleaning robot includes a top cover, a bottom cover formed below the top cover and configured to move by external force, a fixed body provided in the bottom cover, a first opening formed in an upper portion of the bottom cover and a first sensor connected to the fixed body and externally exposed between the top cover and the bottom cover through the first opening.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: January 10, 2023
    Assignee: LG ELECTRONICS INC.
    Inventors: Hanshin Kim, Kyuchun Choi, Jungmin Shim
  • Patent number: 11548039
    Abstract: Automatic emitter point cleaners are disclosed. An automatic emitter point cleaning system includes: a fan configured to direct a stream of air through an air path; a point emitter configured to produce at least one of positive ions or negative ions within or proximate to the air path; a brush; a first gear coupled to the brush and configured to move the brush into contact with the point emitter; a second gear to engage the first gear; and a motor to actuate the second gear such that the second gear actuates the first gear to move the brush past the point emitter.
    Type: Grant
    Filed: September 1, 2020
    Date of Patent: January 10, 2023
    Assignee: Illinois Tool Works Inc.
    Inventors: Steven Bernard Heymann, Aleksey Klochkov, Juan Guerrero, Edward Anthony Oldynski, Gee Kuen Chong
  • Patent number: 11540689
    Abstract: The present disclosure provides a surface cleaning apparatus that mechanically removes liquid and debris from a brushroll and stores the mechanically-removed liquid and debris onboard the apparatus in a first collection area. The surface cleaning apparatus also collects further liquid and debris from the brushroll by a source of suction including a vacuum motor or a pump and stores the collected liquid and debris onboard the apparatus in a second collection area.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: January 3, 2023
    Assignee: BISSELL Inc.
    Inventors: Steven M. Johnson, Jeffrey A. Scholten
  • Patent number: 11535289
    Abstract: A cleaning and maintenance cart has a frame with a base on wheels, a handle arrangement connected at a lower end to the base and having control input mechanisms at an upper end configured to control elements of the cleaning and maintenance cart, a vacuum plenum coupled to a blower, a power plant coupled to and driving the blower, a collection container coupled to the plenum, the collection container having an internal filter, and a collection hose coupled to the collection container trough a removable lid. With the blower running a partial vacuum is produced in the plenum and in the collection container, and the collection hose is movable to collect dirt and debris that is confined to the collection container by the internal filter in the collection container.
    Type: Grant
    Filed: March 25, 2022
    Date of Patent: December 27, 2022
    Inventor: Larry D Herzog
  • Patent number: 11534041
    Abstract: A surface cleaning apparatus has a cyclone chamber and a dirt collection chamber exterior to the cyclone chamber. The cyclone chamber has a sidewall extending from a first end to an axially opposed second end. A dirt outlet communicating with the dirt collection chamber is provided in the sidewall at a location intermediate the first and second ends of the cyclone chamber.
    Type: Grant
    Filed: June 13, 2019
    Date of Patent: December 27, 2022
    Assignee: Omachron Intellectual Property Inc.
    Inventor: Wayne Ernest Conrad
  • Patent number: 11517169
    Abstract: A surface cleaning device comprises a cleaning head having a housing, a fluid tank configured to store fluid and be in fluid communication with the cleaning head, a cleaning pad coupled to the cleaning head and configured to remove debris from a surface, and a plurality of nozzles distributed along the cleaning pad, wherein the fluid tank is configured to release at least some of the fluid such that the released fluid flows through the plurality of nozzles onto the cleaning pad.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: December 6, 2022
    Assignee: ONTEL PRODUCTS CORPORATION
    Inventor: Ashok Khubani
  • Patent number: 11510535
    Abstract: A robot cleaner includes a main body, and a wheel unit including a wheel configured to movably support the main body. The wheel unit is installed in a suspension unit and configured to be movable upward or downward. The suspension unit is configured to absorb impact when the wheel unit moves upward or downward, and is installed in a lifting unit coupled to the main body. The suspension unit is configured to be raised or lowered relative to the lifting unit. The lifting unit includes a lifting drive motor including a rotatable shaft disposed in parallel with a direction in which the suspension unit is configured to be raised or lowered, and a transmission unit configured to transmit a rotation force of the lifting drive motor to the suspension unit.
    Type: Grant
    Filed: October 22, 2019
    Date of Patent: November 29, 2022
    Assignee: LG ELECTRONICS INC.
    Inventors: Seungjin Lee, Hwang Kim, Sangik Lee, Seaunglok Ham
  • Patent number: 11510534
    Abstract: A docking station for a dust collection box comprising: a housing; a socket formed by the housing configured to receive a dust collection box of a dust extractor; first and second apertures formed through a wall of the housing which aligns with air outlet and inlet apertures of a dust collection box when the dust collection box is mounted within the socket; a connector connectable to a vacuum source; and a dust channel mounted inside of the housing, which provides a passageway between the second aperture and the connector. The docking station may further include an air vent formed through a wall of the housing to allow air surrounding the housing to enter a cavity formed inside of the housing, where the first aperture is connected to the cavity in the housing to allow air in the cavity to exit the housing through the first aperture.
    Type: Grant
    Filed: January 16, 2019
    Date of Patent: November 29, 2022
    Assignee: Black & Decker Inc.
    Inventors: Arthur Lauer, Marcus Rompel, Richard Cacchiotti
  • Patent number: 11505959
    Abstract: The invention relates to a swimming-pool cleaning apparatus which comprises: a body; at least one hydraulic circuit for circulating liquid between at least one liquid intake and at least one liquid outlet, and through a filtering device of the cleaning apparatus; a fluid-circulation pump installed in the hydraulic circuit downstream from the filtering device; means for adjusting the pressure inside the hydraulic circuit upstream from the circulation pump, in response to a detected variation of said pressure, said pressure-adjustment means comprising: at least one secondary liquid intake (21) connected to the hydraulic circuit, upstream from the circulation pump, said at least one secondary liquid intake (21) being provided with a valve (22) mounted rotatably movable about an axis of rotation, and with means for driving the valve from an open position to a closed position, said means for driving the valve comprising a float (26), the orientation and/or the force of which depend on the orientation of the cleani
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: November 22, 2022
    Assignee: ZODIAC POOL CARE EUROPE
    Inventors: Philippe Blanc Tailleur, Louis Favie, Thierry Michelon, Philippe Pichon
  • Patent number: 11505163
    Abstract: A foreign matter removal device that removes foreign matters adhering to a lens (101) included in an in-vehicle camera (100), including a camera bracket (91) that attaches the in-vehicle camera (100) to a rear bumper panel (200b) of a vehicle in a state in which the lens (101) is exposed toward the outside of the rear bumper panel (200b) of the vehicle, a high-pressure air generation unit disposed inside the rear bumper panel (200b) and configured to generate high-pressure air, and a nozzle unit provided with a nozzle (22) that injects the high-pressure air toward the lens (101), wherein a through-hole (92) is formed in the camera bracket (91), and the high-pressure air generated by the high-pressure air generation unit passes from the inside to the outside of the rear bumper panel (200b) through the through-hole (92), and is injected from the nozzle (22) toward the lens (101).
    Type: Grant
    Filed: April 17, 2020
    Date of Patent: November 22, 2022
    Assignee: KOITO MANUFACTURING CO., LTD.
    Inventors: Hiroaki Kimura, Junji Baba, Akinobu Kubota, Yasuhiro Ichikawa
  • Patent number: 11497371
    Abstract: A floor cleaner including a vacuum source, a supply tank, and a recovery tank. The floor cleaner is configured to remove debris and fluid from a surface to be cleaned. The recovery tank includes a removably coupleable strainer configured to filter hair and large debris from a dirty fluid during emptying of the recovery tank.
    Type: Grant
    Filed: December 17, 2020
    Date of Patent: November 15, 2022
    Assignee: Techtronic Floor Care Technology Limited
    Inventors: Rafael Davila, Robert Lightbourn
  • Patent number: 11498438
    Abstract: A surface treatment robot includes a chassis having forward and rear ends and a drive system carried by the chassis. The drive system includes right and left driven wheels and is configured to maneuver the robot over a cleaning surface. The robot includes a vacuum assembly, a collection volume, a supply volume, an applicator, and a wetting element, each carried by the chassis. The wetting element engages the cleaning surface to distribute a cleaning liquid applied to the surface by the applicator. The wetting element distributes the cleaning liquid along at least a portion of the cleaning surface when the robot is driven in a forward direction. The wetting element is arranged substantially forward of a transverse axis defined by the right and left driven wheels, and the wetting element slidably supports at least about ten percent of the mass of the robot above the cleaning surface.
    Type: Grant
    Filed: April 23, 2019
    Date of Patent: November 15, 2022
    Assignee: iRobot Corporation
    Inventors: Duane L. Gilbert, Jr., Marcus R. Williams, Andrea M. Okerholm Huttlin, Elaine H. Kristant, Sheila A. Longo, Daniel E. Kee, Marc D. Strauss
  • Patent number: 11490771
    Abstract: A cleaning device, in particular for a cleaning attachment for a hard surface vacuum cleaner, includes at least a first wiper lip and a second wiper lip. A third lip is arranged between the first and second wiper lips so as to space apart the first and second wiper lips.
    Type: Grant
    Filed: June 12, 2018
    Date of Patent: November 8, 2022
    Assignee: Robert Bosch GmbH
    Inventor: Rhys Jenkins
  • Patent number: 11484171
    Abstract: A cleaning machine has a housing, a supply tank, a suction nozzle, a suction source, and a recovery tank that includes a container having sidewalls projecting upwardly from a bottom wall thereby defining an open top, a cover connected to the open top of the container, and an air-liquid separator extending into the recovery tank from the open top and having a vertical sidewall, a lower wall extending laterally from a lower end of the vertical sidewall toward an adjacent sidewall of the sidewalls of the container. The vertical sidewall, the lower wall, and the adjacent sidewall define a separation chamber, the vertical sidewall includes a vertical rib extending outwardly from the vertical sidewall and into the separation chamber. The separation chamber includes a dirty fluid inlet receiving fluid from the suction nozzle through the cover, and a dirty fluid outlet directing fluid from the separation chamber into the container.
    Type: Grant
    Filed: October 29, 2020
    Date of Patent: November 1, 2022
    Assignee: Techtronic Floor Care Technology Limited
    Inventors: Michael Bloom, Rafael Davila
  • Patent number: 11484169
    Abstract: A surface treatment apparatus may include a surface cleaning head having an agitator, an agitator motor configured to cause the agitator to rotate, and a controller. The controller can be configured to determine a surface type corresponding to a surface to be cleaned and to transition the surface treatment apparatus between a first operational mode and a second operational mode based, at least in part, on the determined surface type. Determining the surface type may include measuring a plurality values corresponding to a current draw of the agitator motor over a predetermined time window at a predetermined time interval, determining an average corresponding to the measured values, comparing the average to at least a first threshold, and transitioning the surface treatment apparatus between the operational modes based, at least in part, on the comparison.
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: November 1, 2022
    Assignee: SharkNinja Operating LLC
    Inventors: Damian Howard, John White
  • Patent number: 11484164
    Abstract: The hand-held cleaner includes a body, and a cyclone dust collecting apparatus detachably mounted in the body. The cyclone dust collecting apparatus includes a pre-motor filter unit having a filter grill and a filter member, a dust collecting bin having one end to which the pre-motor filter unit is coupled and the other end opposite to the one end in which an cyclone inlet is formed, and a cyclone bin disposed in the dust collecting bin and having a spiral flow path-guide member integrally formed therein. A moving path of air drawn into the cyclone inlet is maintained in the same direction until the air is discharged through the pre-motor filter unit via the cyclone bin.
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: November 1, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung-gyun Han, Ki-man Kim, Seog-bong Baek, Dong-jun Kim