Patents Examined by David A. Redding
  • Patent number: 11141032
    Abstract: An autonomous vacuum cleaner operable to navigate about a surrounding environment to perform a surface cleaning operation without continuous human input. The vacuum cleaner includes a suction nozzle and a suction motor and a fan assembly operable to generate an airflow through the vacuum cleaner from the suction nozzle through a debris separator to a clean air exhaust. The suction motor and the fan assembly having an axis of rotation and a fan of the fan assembly rotatable about the axis of rotation. The axis of rotation is orientated horizontally. The debris separator includes a cyclonic separator operable to separate debris from the airflow and the cyclonic separator includes a cylindrical wall along a longitudinal axis, the longitudinal axis of the cyclonic separator being orientated horizontally.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: October 12, 2021
    Assignee: Techtronic Industries Co. Ltd.
    Inventors: Alan Love, Sergey Makarov, Shadi Sumrain, Patrick Truitt
  • Patent number: 11141036
    Abstract: An electrical household appliance includes a base for producing steam having a steam generator including a boiling chamber and a liquid reservoir supplying the boiling chamber by gravity, the liquid flowing by gravity from the reservoir toward the boiling chamber until the liquid level in the boiling chamber reaches an equilibrium level, called the reference level, at which the liquid level prevents air from entering the reservoir, the boiling chamber including a steam outlet through which steam can escape toward a work tool, such as a smoothing brush, and a communication opening connected to a pipe having an evacuation opening closed with a removable stopper, wherein the pipe includes a scale-collecting container that is removable through the evacuation opening.
    Type: Grant
    Filed: October 4, 2018
    Date of Patent: October 12, 2021
    Inventors: Maxime Javit, Dominique Gelus
  • Patent number: 11134819
    Abstract: The present application provides a liquid container and an autonomous cleaning robot. The liquid container may include a container case and a water outlet filter. The container case may define a water outlet (321) thereon and a liquid accommodating room therein. The water outlet communicates with the liquid accommodating room in the container case. The water outlet filter is mounted on the water outlet. The water outlet filter is configured to regulate the rate of the water outlet. The rate of the liquid container is better.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: October 5, 2021
    Assignee: SHENZHEN ROCK TIMES TECHNOLOGY CO., LTD.
    Inventors: Xing Li, Song Peng, Youcheng Lu
  • Patent number: 11129509
    Abstract: There is provided a robot cleaner having an improved dust-collecting capability and an improved suction force and capable of being manufactured in a small size. The robot cleaner includes a main body comprising a fan motor and having a suction port provided in one side thereof; a plurality of cyclone units configured to separate foreign substances in air suctioned through the suction port; and a plurality of suction flow paths connecting the plurality of cyclone units and the suction port.
    Type: Grant
    Filed: October 5, 2018
    Date of Patent: September 28, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sin Ae Kim, Young Jae Park, Keon Soo Choi
  • Patent number: 11129468
    Abstract: A cleaning device including a covering hood having a lower surface facing a surface to be cleaned and an inlet on an upper surface thereof, through which contaminants are sucked; an air knife provided on a circumference of the covering hood and having an outlet for spraying high pressure air to the surface to be cleaned; a sweeper installed inside the covering hood and rotated by a driving motor to guide foreign objects swept away from the surface to be cleaned and contaminants floated by the high pressure air injection of the air knife to the inlet; a rotary member including a shaft passing through a circumferential surface of the covering hood and the air knife, and a rotary knob coupled to one end of the shaft to rotate the air knife to adjust an air spray angle.
    Type: Grant
    Filed: January 25, 2018
    Date of Patent: September 28, 2021
    Assignee: EncoreNetworks Co., Ltd.
    Inventors: Hae Young Jung, Sang Yong Jang
  • Patent number: 11129512
    Abstract: An autonomous floor cleaner can include a housing, a drive system for autonomously moving the housing over the surface to be cleaned, a controller for controlling the operation of the autonomous floor cleaner, a tank adapted to hold liquid, and a carry handle joined with the tank and/or the housing. The carry handle is movable between a stowed position and a carry position. The carry handle can include one or more capturing assemblies such that the carry handle can be selectively rotated between different orientations allowing for one or more of: locking/securing the tank to the housing, activating/deactivating the floor cleaner based on handle position; carrying the entire floor cleaner; ejecting the tank from the housing; carrying the tank separately; and emptying the tank.
    Type: Grant
    Filed: June 9, 2020
    Date of Patent: September 28, 2021
    Assignee: BISSELL Inc.
    Inventors: Nicholas Weigel, Steve M. Johnson, Todd R. VanTongeren, Matthew Haverkamp
  • Patent number: 11122946
    Abstract: The present disclosure provides a brushroll for a surface cleaning apparatus. The brushroll includes an agitation element, such as bristles and/or microfiber, and a hollow core brush bar supporting the agitation element. The hollow core brush bar has a cavity at a center of the brush bar located at the brushroll axis. A surface cleaning apparatus comprising the brushroll is also disclosed.
    Type: Grant
    Filed: March 4, 2021
    Date of Patent: September 21, 2021
    Assignee: BISSELL Inc.
    Inventor: Tom Minh Nguyen
  • Patent number: 11122944
    Abstract: A sweeping machine for floors and carpets, comprising a body with wheels for gliding and a maneuvering handle, the body supporting at least one cleaning roller that has a horizontal axis and is actuated by an electric motor by virtue of torque transmission elements; there are elements for the suction of air from a region proximate to the at least one cleaning roller, the suction elements being actuated by the same electric motor for driving the at least one cleaning roller.
    Type: Grant
    Filed: April 26, 2017
    Date of Patent: September 21, 2021
    Assignee: LINDHAUS S.R.L.
    Inventor: Michele Massaro
  • Patent number: 11122951
    Abstract: The present disclosure provides, in one aspect, an autonomous cleaning robot including a body, a drive operable to move the body across a floor surface, and a circuit board mounted below an upper surface of the body of the autonomous cleaning robot. The autonomous cleaning robot also includes one or more electrical contacts, a base of each electrical contact being mounted on the circuit board and a contact tip of each electrical contact being configured to protrude through a corresponding opening in the upper surface, wherein each electrical contact comprises a double curved structure to allow the electrical contact to be vertically flexible. The autonomous cleaning robot also includes a hinged lid including one or more contact pads, the one or more contact pads being configured to contact corresponding electrical contacts protruding through the upper surface as the lid is opened or closed.
    Type: Grant
    Filed: December 31, 2018
    Date of Patent: September 21, 2021
    Assignee: iRobot Corporation
    Inventors: Travis James Gschrey, Eric Burbank, Oliver Lewis, Milan Modh, Sophia Wennstedt
  • Patent number: 11122943
    Abstract: A surface cleaning apparatus comprises a surface cleaning head, an upright section moveably mounted to the surface cleaning head, and a portable cleaning unit removably mounted to the upright section and comprising an energy storage member and a portable cleaning unit suction motor. The energy storage member provides the portable cleaning unit suction motor with power at least when the portable cleaning unit is switched on and when the portable cleaning unit is removed from the upright section.
    Type: Grant
    Filed: November 7, 2018
    Date of Patent: September 21, 2021
    Assignee: Omachron Intellectual Property Inc.
    Inventor: Wayne Ernest Conrad
  • Patent number: 11122953
    Abstract: A robotic cleaning device having a main body, at least one drive wheel, at least one linking member rotationally coupled to the main body about a suspension axis and rotationally supporting the at least one drive wheel about a drive wheel axis such that at least a section of the main body can be raised from a lowered position, closer to the ground surface, to a raised position, further away from the ground surface. First and second spring members are arranged to provide a moment on the linking member about the suspension axis in the first direction to press the at least one drive wheel towards the ground surface. The moment provided by the first spring member is higher in the lowered position than in the raised position and the moment provided by the second spring member is higher in the raised position than in the lowered position.
    Type: Grant
    Filed: May 11, 2016
    Date of Patent: September 21, 2021
    Assignee: AKTIEBOLAGET ELECTROLUX
    Inventors: Johann Zita, Magnus Wennerström
  • Patent number: 11116372
    Abstract: A vacuum cleaner includes a cyclone separator, a collection chamber below the cyclone separator, a pre-motor filter downstream from the cyclone separator, and an openable cover above the pre-motor filter. The cover provides access to an upstream surface of the pre-motor filter when open, and forms an outer surface of the vacuum cleaner that is angled forwardly at an incline.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: September 14, 2021
    Assignee: BISSELL Inc.
    Inventor: Phong H. Tran
  • Patent number: 11109730
    Abstract: The present application provides an autonomous cleaning robot. The autonomous cleaning robot may include a main body and a cleaning assembly mounted on the main body. The cleaning assembly may include a first cleaning subassembly. The first cleaning subassembly is removable mounted on the main body. The first cleaning subassembly can be loaded into or unloaded from the main body in a forward and backward direction. The first cleaning subassembly of the autonomous cleaning robot is easy to be assembled.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: September 7, 2021
    Assignee: SHENZHEN ROCK TIMES TECHNOLOGY CO., LTD.
    Inventors: Xing Li, Song Peng, Youcheng Lu
  • Patent number: 11109733
    Abstract: The present disclosure discloses a cleaning robot, including a water tank, a dust box, and a main body. The water tank and the dust box are assembled together to form a water tank dust box assembly. The main body includes an accommodating space adapted to accommodate the water tank dust box assembly. The water tank dust box assembly includes a mistake-proofing device. The mistake-proofing device, when the water tank and the dust box are not assembled to form the water tank dust box assembly, is in an ejected state so that the water tank or the dust box cannot be installed into the accommodating space.
    Type: Grant
    Filed: May 22, 2019
    Date of Patent: September 7, 2021
    Assignee: GuangDong BONA Robot Co., Ltd.
    Inventors: Kai Yang, Wenming Liu
  • Patent number: 11096545
    Abstract: The present application relates to a robot cleaner. The robot cleaner of the present application includes: a main body which forms an external shape; a moving mechanism which moves the main body; a bumper which is positioned to protrude from an outer periphery of the main body; an impact sensor which is positioned obliquely in the main body to detect movement of the bumper; and a pressing unit having a curved end portion which presses the impact sensor, when the bumper moves.
    Type: Grant
    Filed: August 7, 2018
    Date of Patent: August 24, 2021
    Assignee: LG ELECTRONICS INC.
    Inventors: Jaewon Jang, Minwoo Lee, Jeongseop Park
  • Patent number: 11096541
    Abstract: A surface cleaning apparatus includes a housing including an upright handle assembly and a base mounted to the upright handle assembly and adapted for movement across a surface to be cleaned. The surface cleaning apparatus is further provided with a fluid delivery system comprising a fluid dispenser configured to dispense fluid to a brushroll and at least one fluid delivery channel forming a portion of a fluid delivery pathway. The fluid delivery channel can extend adjacent to a portion of the suction nozzle assembly. An interference wiper interfaces with a portion of the brushroll to remove excess liquid from the brushroll.
    Type: Grant
    Filed: December 22, 2020
    Date of Patent: August 24, 2021
    Assignee: BISSELL Inc.
    Inventors: Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang, Kam Hoi Ma
  • Patent number: 11096542
    Abstract: A surface cleaning apparatus includes a housing including an upright handle assembly and a base mounted to the upright handle assembly and adapted for movement across a surface to be cleaned. The surface cleaning apparatus is further provided with a fluid delivery system comprising a fluid dispenser configured to dispense fluid to a brushroll and at least one fluid delivery channel forming a portion of a fluid delivery pathway. The fluid delivery channel can extend adjacent to a portion of the suction nozzle assembly. An interference wiper interfaces with a portion of the brushroll to remove excess liquid from the brushroll.
    Type: Grant
    Filed: December 22, 2020
    Date of Patent: August 24, 2021
    Assignee: BISSELL Inc.
    Inventors: Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang, Kam Hoi Ma
  • Patent number: 11089932
    Abstract: A cleaner includes: a suction motor that generates a suction force; and an operation unit that is configured to input control instruction for the suction motor. The operation unit includes: a support frame; a first push part that is rotatably seated on the support frame and allows an instruction to turn on or off the suction motor to be input when being rotated in a first direction; and a second push part that allows the intensity of the suction force of the suction motor to be adjusted when being rotated in a second direction.
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: August 17, 2021
    Assignee: LG Electronics Inc.
    Inventors: Philjae Hwang, Mantae Hwang, Jungbae Hwang, Eunji Sung, Taekgi Lee
  • Patent number: 11089931
    Abstract: A fan unit in which a structure of a fan and a driving source thereof is improved to realize stable and high-efficient fan driving, thereby obtaining a high suction force in a stick type electric cleaner. The fan unit installed in a stick type electric cleaner includes a first fan and a second fan disposed in a line on the same rotation axis and a driving motor configured to drive the first fan and the second fan. The second fan is configured to be rotated in a direction opposite of a direction in which the first fan is rotated.
    Type: Grant
    Filed: March 6, 2018
    Date of Patent: August 17, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Minoru Yoshida, Takeaki Ashimori
  • Patent number: 11083357
    Abstract: A floor cleaning machine can comprise a chassis, a cleaning mechanism, a control system, and a cleaning operation sensing system connected to the chassis. The chassis can be configured for movement along a cleaning path. The cleaning mechanism can perform a cleaning operation. The liquid system can provide liquid to the cleaning mechanism. The recovery system can recover liquid from the cleaning operation. The control system can control performance of the cleaning operation. The cleaning operation sensing system can detect a condition of the cleaning operation. The cleaning operation sensing system can comprise a water trailing detection system comprising: a frame connected to the chassis aft of the recovery system; an absorbent medium connected to the frame; and a moisture sensor in communication with the control system to alter a signal in response to moisture in the absorbent medium.
    Type: Grant
    Filed: June 12, 2018
    Date of Patent: August 10, 2021
    Assignee: Nilfisk A/S
    Inventors: Kipp Knutson, Stuart McDonald, Stephen Klopp, John Black, Dave Wood, Donald Joseph Legatt