Patents Examined by Marc Carlson
  • Patent number: 11304577
    Abstract: A cleaner capable of separating a dust separator from a main body and separating a dust container from the dust separator by using a button. The cleaner includes: a main body; a dust separator detachably coupled to the main body configured to separate dust contained in air; a dust container detachably coupled to the dust separator; and a button configured to separate the dust separator from the main body and separate the dust container from the dust separator, when the dust separator is separated from the main body.
    Type: Grant
    Filed: January 30, 2020
    Date of Patent: April 19, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong Hyun Lee, Young Jun Cho, Jin Ho Lee, Ki-Man Kim, Jong Gook Lim
  • Patent number: 11297992
    Abstract: A robot cleaner includes a controller configured to sense an obstacle with a sensing unit of the robot cleaner, and control a driving unit of the robot cleaner to move a main body of the robot cleaner forward into a first contact state in which a front end of a cleaning unit cleans a first region while in contact with the obstacle. After the first contact state, the controller controls the driving unit to move the main body according to a predetermined connecting operation into a second contact state in which the front end of the cleaning unit cleans a second region while in contact with the obstacle, the first region and the second region being arranged along an outline of the obstacle.
    Type: Grant
    Filed: February 8, 2019
    Date of Patent: April 12, 2022
    Assignee: LG ELECTRONICS INC.
    Inventors: Gwanryong Baek, Woochan Jun
  • Patent number: 11297986
    Abstract: A cleaning device for a compact HVAC unit includes a flexible belt, and a collection element attached to the flexible belt at a first end of the belt. The collection element and the belt form a collection area therebetween, and wherein the collection element has a port therein at the first end of the belt, the port configured to remove debris collected in the collection area.
    Type: Grant
    Filed: December 14, 2020
    Date of Patent: April 12, 2022
    Assignee: NET BUILDING SERVICES, LLC
    Inventor: Jeffrey Clayton Towberman
  • Patent number: 11297991
    Abstract: A cleaner includes a cleaner body, a power supply including a first battery and a second battery that are accommodated in the cleaner body, and a power supply circuit configured to operate in a charge mode for receiving power from the outside to recharge the first and second batteries or in a discharge mode for supplying the power recharged in the first and second batteries to a load, a charging terminal connected to an external charging stand and configured to supply direct current (DC) power to the first and second batteries in the charge mode, and a controller configured to control an operation of the power supply in the discharge mode and the charge mode.
    Type: Grant
    Filed: March 13, 2019
    Date of Patent: April 12, 2022
    Assignee: LG ELECTRONICS INC.
    Inventors: Sangik Lee, Jaeheon Chung, Seaunglok Ham
  • Patent number: 11297988
    Abstract: This invention relates to a bagged vacuum cleaner, i.e. to a vacuum cleaner in which dirt and debris is collected in a disposable bag. The vacuum cleaner (10) has a body (12), the body having a dirt-collection chamber (26), a motor (14) and an impeller (16). The body also has an inlet duct (30) upstream of the dirt-collection chamber, the inlet duct being connected to an inlet tube (36) adapted to fit to an opening of the disposable bag. A wall (40) of the inlet duct adjacent to the inlet tube (36) is transparent so that a user can look through the wall and into the inlet tube to observe whether or not the bag is full.
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: April 12, 2022
    Inventors: Nicholas Gerald Grey, Morteza Ghanizadeh Abry
  • Patent number: 11297989
    Abstract: Disclosed herein is a cleaner having an improved structure configured to improve the cleaning performance. The cleaner comprises a suction unit provided inside a body. The suction unit includes an impeller configured to suction air by rotating about a shaft, and a diffuser configured to guide air discharged from the impeller. The impeller includes a hub, and a blade disposed on the hub, and provided with a leading edge disposed in an upstream side in a direction in which air introduced into the suction unit flows, and a trailing edge disposed in a downstream side in the direction in which the air introduced into the suction unit flows. The leading edge of the blade forms an inclination of 60 degrees or more and 80 degrees or less with respect to an axial direction.
    Type: Grant
    Filed: August 2, 2017
    Date of Patent: April 12, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae Sang Park, Hyeon Joon Oh
  • Patent number: 11291169
    Abstract: A broom tube assembly for dislodging debris while employing a leaf blower includes an air tube that is mountable on an output of a leaf blower. A broom is provided and the broom is coupled to the air tube. The broom frictionally engages a surface being cleaned when the air tube is directed toward the surface. In this way the broom can dislodge debris for blowing the debris with the leaf blower. A plurality of brackets is each positioned around the handle. Each of the brackets engages the air tube for retaining the handle on the air tube.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: April 5, 2022
    Inventor: Billy Gilley
  • Patent number: 11285922
    Abstract: A wheel brush for a wheelchair has an inverted U-shaped brush housing that has a longitudinal channel and an open bottom. A brush head is slidably received within the channel such that bristles located on the brush head extend out through the open bottom of the brush housing. The open bottom is sufficiently narrow as to prevent the brush head from passing therepast. A resilient clip is attached to the brush housing and is clipped to a vertical post of the wheelchair, such as the arm rest post, and is positioned so that the bristles engage a portion of the outer periphery of one of the wheels so as to brush clean the wheels whenever the wheelchair rolls and the rear wheels rotate.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: March 29, 2022
    Inventor: Billy Tolbert
  • Patent number: 11285580
    Abstract: A rust inhibiting process for cleaning and protecting a target object is disclosed. Comprising mixing at least a rust inhibitor and a fluid into a slurry mixture, spraying the slurry mixture at the target object from within a reservoir of a slurry blasting system, separating a tarnished top layer and a parent metal of the target object with a slurry stream, cleaning the parent metal with the rust inhibitor, preventing the parent metal from impregnating with contaminants during cleaning with the rust inhibitor, and protecting the parent metal with the rust inhibitor after spraying is complete. The slurry stream comprises the slurry mixture of the slurry blasting system being sprayed with the slurry blasting system. The slurry blasting system comprises a tank.
    Type: Grant
    Filed: January 7, 2020
    Date of Patent: March 29, 2022
    Inventor: Benjamin LeCompte
  • Patent number: 11289930
    Abstract: A battery pack, power tool, and power tool combination. The battery pack includes one or more battery cells, a first terminal electrically connected to the one or more battery cells, a high current power supply terminal, a power switch electrically connected between the one or more battery cells and the high current power supply terminal, and a low current power supply terminal electrically connected to the one or more battery cells. The first terminal and low current power supply terminal are operable to provide a substantially continuous low current to the power tool during a normal operating state of the battery pack. The battery pack also includes a controller operable to control the power switch to provide high current power through the high current power supply terminal in response to a call for power from the power tool.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: March 29, 2022
    Assignee: Techtronic Floor Care Technology Limited
    Inventor: Brett Reed
  • Patent number: 11284758
    Abstract: Disclosed are a motor cover for a vacuum cleaner, a motor module of a vacuum cleaner, and a vacuum cleaner. The motor cover has an inlet and an outlet, the motor cover is configured to mount an electric blower, and an air inlet end of the electric blower is configured to be disposed towards the inlet; the motor cover is provided with a plurality of flow guiding channels therein, and the plurality of flow guiding channels are sequentially communicated; one of the flow guiding channels is communicated with an air outlet end of the electric blower, and another flow guiding channel is communicated with the outlet; at least two of the plurality of flow guiding channels are arranged along an axial direction of the electric blower and guide airflow along a circumferential direction of the electric blower.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: March 29, 2022
    Inventors: Yang Li, Bing Li, Fuping Cheng
  • Patent number: 11272818
    Abstract: A cleaner includes a main body having an opening, a suction motor accommodated in the main body and configured to generate suction force, an opening cover separably coupled to the main body and configured to cover the opening, a motor housing configured to surround the suction motor, a flow guide disposed to surround at least a portion of the motor housing and spaced apart from the motor housing, and a filter mechanism disposed between the motor housing and the flow guide and including a filter member configured to filter dust contained in introduced air. The filter member is disposed to surround the motor housing, and the filter member includes a first filter unit and a second filter unit extends in a direction in which the first and second filter units cross each other.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: March 15, 2022
    Assignee: LG Electronics Inc.
    Inventors: Ingyu Yang, Youngsoo Kim, Kyoungho Ryou, Jinhyouk Shin, Daeho Chang
  • Patent number: 11272820
    Abstract: A vacuum cleaner includes a primary dust container that includes a container body, the container body delineating a dust collecting chamber that accumulates dust sucked into the vacuum cleaner and including a waste outlet that discharges the dust accumulated in the dust collecting chamber, the primary dust container also including a waste-outlet lid that opens and closes the waste outlet. A station includes a secondary dust container that accumulates the dust discharged from the primary dust container, and a driving source that generates opening driving force and closing driving force for the waste outlet. The electric vacuum cleaner generates a driving force for opening and closing an air passage connecting a primary dust container and a secondary dust container, without impairing convenience of a vacuum cleaner.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: March 15, 2022
    Assignee: TOSHIBA LIFESTYLE PRODUCTS & SERVICES CORPORATION
    Inventors: Tsuyoshi Sato, Masatoshi Tanaka, You Torizawa, Yukio Machida, Hiromitsu Ichikawa, Hiromitsu Murata, Takayoshi Shimizu, Yuuji Ohtsuka
  • Patent number: 11272819
    Abstract: A hose valve sub-assembly designed for use in central vacuum cleaning systems that include a retractable suction hose. The hose valve sub-assembly comprises an end nozzle arranged for attachment with the end of a suction hose and a seal-ring arranged for attachment to a valve box. The seal-ring defines a radially disposed inner surface for receiving and engaging the end nozzle and comprises a radially biased pin for locking the end nozzle the seal-ring. The end nozzle comprises a radially disposed O-ring groove arranged to receive an O-ring for sealing the end nozzle to the inner surface of the seal-ring. The end nozzle also comprises a radially disposed locking track having a first end that defines a first opening arranged to receive and engage the biased pin of the seal ring when the suction hose is pulled through the system vacuum pipe.
    Type: Grant
    Filed: June 4, 2019
    Date of Patent: March 15, 2022
    Inventors: Rod Drivstuen, Robert Lee Rawls
  • Patent number: 11266288
    Abstract: A double-handle mop includes a floor cleaning apparatus, a support shaft, a bend shaft, and a handle. The support and bend shaft are collectively optimized leverage to apply pressure to clean floors, without having to bend over. The bend shaft includes a first elongated section, a second elongated section, and a bend section as the bend shaft is formed into a V-shaped body. The first elongated section is terminally connected to a first shaft end of the support shaft. The second elongated section is terminally connected to a second shaft end of the support shaft. The first and second elongated sections are terminally connected to each other by the bend section, opposite the support shaft. The first shaft end is concentrically mounted with an extension tube of the floor cleaning apparatus. The second shaft end is adjacently connected with the handle that engages with the user.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: March 8, 2022
    Inventor: Peter J. Ziamandanis
  • Patent number: 11259675
    Abstract: A vacuum cleaner includes: a dust canister; a cover rotatably coupled to the dust canister; an filter assembly mounted inside the dust canister and configured to be exposed by an opening of the cover; and a crevice tool coupling to an air entrance of the dust canister or an extension pipe connected to the air entrance. The filter assembly includes an opening portion opened toward the cover, and a protrusion portion protruding from an inner circumferential surface of the opening portion. The crevice tool includes a catching rib caught on the protrusion portion according to insertion and rotation of the crevice tool in the opening portion. The filter assembly is configured to withdraw from the dust canister together with the crevice tool based on withdrawing of the crevice tool to the outside of the dust canister in a state in which the catching rib is caught on the protrusion portion.
    Type: Grant
    Filed: July 2, 2018
    Date of Patent: March 1, 2022
    Assignee: LG Electronics Inc.
    Inventors: Youngho Kim, Myungsig Yoo
  • Patent number: 11259677
    Abstract: A cleaner includes a cleaner body, a power supply including a first battery and a second battery that are accommodated in the cleaner body, and a power supply circuit configured to operate in a charge mode for receiving power from the outside to recharge the first and second batteries or in a discharge mode for supplying the power recharged in the first and second batteries to a load, a charging terminal connected to an external charging stand and configured to supply direct current (DC) power to the first and second batteries in the charge mode, and a controller configured to control an operation of the power supply in the discharge mode and the charge mode.
    Type: Grant
    Filed: March 13, 2019
    Date of Patent: March 1, 2022
    Assignee: LG ELECTRONICS INC.
    Inventors: Sangik Lee, Jaeheon Chung, Seaunglok Ham
  • Patent number: 11259628
    Abstract: The vacuum duster attachment is a suction-based cleaning device. The vacuum duster attachment is a rotating device. The vacuum duster attachment forms a brush. The vacuum duster attachment simultaneously: a) dislodges particles from a surface; and, b) vacuums the dislodged particles into a dirt chamber for storage. The vacuum duster attachment comprises a vacuum structure, a brush structure, and a vacuum circuit. The brush structure attaches to the vacuum structure. The vacuum circuit installs in the vacuum structure. The vacuum circuit is a control circuit that controls the operation of the vacuum duster attachment.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: March 1, 2022
    Inventor: Kyle Saniga
  • Patent number: 11253125
    Abstract: A vacuum system for vacuuming is disclosed. The vacuum system includes a baseboard cleaning attachment, a floor cleaning attachment, and a hose attachment. Each of the attachments is selectively mounted to a hose of the vacuum system for vacuuming floors, baseboards and tight spaces. The baseboard cleaning attachment includes a brush head having a right-angled portion, and a curved portion. The brush head includes a neck to mount the brush head to the hose. The right-angled portion is aligned with the baseboard and is used to vacuum. The floor cleaning attachment includes an elongated tube, and an under furniture handle mounted to the elongated tube. The elongated tube includes a beater head with a beater. The elongated tube is mounted to the hose, and the under furniture handle is used vacuum under furniture. The hose attachment is in an S-shape for tight spaces.
    Type: Grant
    Filed: November 19, 2019
    Date of Patent: February 22, 2022
    Inventor: Keith Hoyt
  • Patent number: 11246465
    Abstract: A surface cleaning apparatus includes a floor cleaning unit and a portable surface cleaning unit. The floor cleaning unit includes a surface cleaning head and an upper section moveably mounted to the surface cleaning head between an upright storage position and a rearwardly inclined floor cleaning position. The portable surface cleaning unit is connectable to the floor cleaning unit, and includes a portable surface cleaning unit air inlet connectable in air flow communication with the floor cleaning unit, a main body, an air treatment member, a suction motor, a handle and a capacitor. A remote charger is provided wherein the capacitor is rechargeable at a rate of at least 4 C.
    Type: Grant
    Filed: February 20, 2019
    Date of Patent: February 15, 2022
    Assignee: Omachron Intellectual Property Inc.
    Inventor: Wayne Ernest Conrad