Patents by Inventor Kirti Kant Paulla
Kirti Kant Paulla has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11903551Abstract: A floor cleaner with an air inlet, an air outlet, a suction motor, and a filter. The filter includes a first media layer, a second media layer, an end cap, and an annular cap. The first media layer and the second media layer extend along a filter axis between the end cap and the annular cap. The filter is compressible along the filter axis between the end cap and the annular cap.Type: GrantFiled: October 12, 2021Date of Patent: February 20, 2024Assignee: Techtronic Floor Care Technology LimitedInventors: Kirti Kant Paulla, David Khalil
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Publication number: 20230337876Abstract: A floor cleaner with an air inlet, an air outlet, a suction motor, and a filter. The filter includes a first media layer, a second media layer, an end cap, and an annular cap. The first media layer and the second media layer extend along a filter axis between the end cap and the annular cap. The filter is compressible along the filter axis between the end cap and the annular cap.Type: ApplicationFiled: October 12, 2021Publication date: October 26, 2023Inventors: Kirti Kant Paulla, David Khalil
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Patent number: 11751734Abstract: A floor cleaner including a recovery tank. The recovery tank includes a tank body having a lower end wall, an open upper end, and a sidewall that extend upwardly from the lower end wall. A cover that includes a suction air outlet in fluid communication with a vacuum source. An inlet duct extends upwardly from the lower end wall. The recover tank includes a shutoff float including a float body and a closure. The float body is configured to float on a surface of cleaning fluid and the closure is received in the suction air outlet to close the suction air outlet. The float body moves along the inlet duct as the float body floats on the surface of the cleaning fluid. The float body includes an aperture extending through the float body and the inlet duct extends through the aperture of the float body.Type: GrantFiled: June 21, 2022Date of Patent: September 12, 2023Assignee: Techtronic Floor Care Technology LimitedInventors: Kirti Kant Paulla, Michael Paul Dawson, Don Lydic, Rafael Davila
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Patent number: 11627852Abstract: A vacuum cleaner includes a suction inlet, a suction source configured to generate an airflow through the suction inlet to draw debris with the airflow through the suction inlet, and a separator assembly. The separator assembly includes a housing having an air inlet and an air outlet, a debris collection chamber within the housing, and an inner chamber formed within a shroud that defines a cyclone axis and has a perforated portion. The inner chamber has a first end and a second end. The first end has a tangential inlet. The second end is open toward the debris collection chamber. An outflow passageway is outside of the shroud and in fluid communication with the air outlet and a filter is in fluid communication with the outflow passageway.Type: GrantFiled: March 24, 2021Date of Patent: April 18, 2023Assignee: Techtronic Floor Care Technology LimitedInventors: Kirti Kant Paulla, David Khalil, Blake Guzewicz, Jake Tyler
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Publication number: 20220378259Abstract: A vacuum cleaner including a dirty air inlet, a fluid flow path extending from the dirty air inlet to a clean air outlet, a fluid flow motor positioned in the fluid flow path, and a filter assembly positioned in the fluid flow path. The filter assembly including a first cylindrical filter and a second cylindrical filter nested within and removable from the first cylindrical filter. An inner diameter of the first cylindrical filter is smaller than an outer diameter of the second cylindrical filter such that the second cylindrical filter is compressed in order to be nested within the first cylindrical filter.Type: ApplicationFiled: August 5, 2022Publication date: December 1, 2022Inventors: Kirti Kant Paulla, John Bohlen, Richard Friend, Joseph Saunders, Sergey V. Makarov
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Publication number: 20220313036Abstract: A floor cleaner including a recovery tank. The recovery tank includes a tank body having a lower end wall, an open upper end, and a sidewall that extend upwardly from the lower end wall. A cover that includes a suction air outlet in fluid communication with a vacuum source. An inlet duct extends upwardly from the lower end wall. The recover tank includes a shutoff float including a float body and a closure. The float body is configured to float on a surface of cleaning fluid and the closure is received in the suction air outlet to close the suction air outlet. The float body moves along the inlet duct as the float body floats on the surface of the cleaning fluid. The float body includes an aperture extending through the float body and the inlet duct extends through the aperture of the float body.Type: ApplicationFiled: June 21, 2022Publication date: October 6, 2022Inventors: Kirti Kant Paulla, Michael Paul Dawson, Don Lydic, Rafael Davila
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Publication number: 20220287528Abstract: A vacuum cleaner docking station is disclosed, the vacuum cleaner docking station includes a vacuum cleaner separator and a dock. The vacuum cleaner separator is operable to separate debris from a suction airflow. The vacuum cleaner separator includes a dirty air inlet, a clean air outlet, and a debris collector having a debris outlet. The vacuum cleaner separator is removably coupled to the dock. The dock includes an airflow source operable to generate an airflow. The dock further includes a dock debris collector and an airflow outlet in fluid communication with the airflow source such that the airflow generated by the airflow source is discharged from the airflow source through the airflow outlet. Airflow generated by the airflow source of the dock travels through the vacuum cleaner separator and through the debris outlet of vacuum cleaner to blow debris out of the debris outlet and into the dock debris collector.Type: ApplicationFiled: March 11, 2022Publication date: September 15, 2022Inventors: Kirti Kant Paulla, James Materdo, Damian Jenks, Bradley Hooley
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Patent number: 11432690Abstract: A handheld vacuum cleaner including a fluid flow path, a main body including a handle, a fluid flow motor positioned in the fluid flow path, a dirt collection region, and a cyclone chamber in the fluid flow path. The cyclone chamber includes a first end wall, a second end wall, a sidewall extending along a cyclone axis, a cyclone dirt outlet formed in the sidewall, a cyclone dirty fluid inlet, and a cyclone clean fluid outlet. A duct extends between the cyclone dirt outlet and the dirt collection region. The duct includes an upstream wall and a downstream flow-diverting wall forming a downstream boundary of the cyclone dirt outlet. The duct widens between the upstream wall and the downstream flow-diverting wall in a downstream direction away from the cyclone dirt outlet.Type: GrantFiled: February 11, 2020Date of Patent: September 6, 2022Assignee: Techtronic Industries Co. Ltd.Inventors: Kirti Kant Paulla, John Bohlen, Richard Friend, Joseph Saunders, Sergey V. Makarov
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Patent number: 11432693Abstract: A vacuum cleaner comprising a suction source operable to generate an airflow, a first stage cyclonic separator configured to separate debris from the airflow, the airflow rotatable about a first stage separator axis in the first stage separator to separate the debris from the airflow, a second stage cyclonic separator downstream from the first stage cyclonic separator, the second stage cyclonic separator configured to separate debris from the airflow, a first stage collector configured to receive debris from the first stage cyclonic separator, and a second stage collector configured to receive debris from the second stage cyclonic separator, the second stage collector being within the first stage collector, the second stage collector having a cross section taken normal to the first stage separator axis that is polygonal.Type: GrantFiled: December 29, 2020Date of Patent: September 6, 2022Assignee: Techtronic Floor Care Technology LimitedInventor: Kirti Kant Paulla
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Patent number: 11363923Abstract: A floor cleaner including a recovery tank. The recovery tank includes a tank body having a lower end wall, an open upper end, and a sidewall that extend upwardly from the lower end wall. A cover that includes a suction air outlet in fluid communication with a vacuum source. An inlet duct extends upwardly from the lower end wall. The recover tank includes a shutoff float including a float body and a closure. The float body is configured to float on a surface of cleaning fluid and the closure is received in the suction air outlet to close the suction air outlet. The float body moves along the inlet duct as the float body floats on the surface of the cleaning fluid. The float body includes an aperture extending through the float body and the inlet duct extends through the aperture of the float body.Type: GrantFiled: September 30, 2020Date of Patent: June 21, 2022Assignee: Techtronic Floor Care Technology LimitedInventors: Kirti Kant Paulla, Michael Paul Dawson, Don Lydic, Rafael Davila
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Patent number: 11357370Abstract: A handheld vacuum cleaner including a fluid flow path, a main body, a fluid flow motor, a battery, and a cyclone chamber. The fluid flow path extends from a dirty air inlet to a clean air outlet, and the main body includes a handle. The fluid flow motor is positioned in the fluid flow path. The battery is positioned below the fluid flow motor. The cyclone chamber is in the fluid flow path transverse to the dirty air inlet. The cyclone chamber includes a first end wall and a second end wall, a cyclone chamber axis passing through the first end wall and the second end wall, a cyclone dirty fluid inlet, and a cyclone clean fluid outlet. The first end wall and the second end wall of the cyclone chamber both intersect a common horizontal plane when the handheld vacuum cleaner is positioned on a horizontal surface.Type: GrantFiled: October 11, 2019Date of Patent: June 14, 2022Assignee: Techtronic Industries Co. Ltd.Inventors: John Bohlen, Richard Friend, Joseph Saunders, Sergey V. Makarov, Kirti Kant Paulla
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Publication number: 20210369067Abstract: A vacuum cleaner including a separator assembly having a container that defines a cyclonic separator about a separator axis. The container having a dirty air inlet that receives the airflow and debris to rotate around the separator axis in a first direction. A clean air outlet discharges the airflow from the separator assembly. A shroud forming an airflow passageway is between the dirty air inlet and the clean air outlet. The airflow passageway is formed by a plurality of vanes defining openings between adjacent vanes positioned to direct the airflow and debris in a second direction at least partially opposed to the first direction redirecting airflow into the shroud. A mesh screen is positioned on the shroud covering the airflow passageway and a filter at least partially within the shroud extends around the separator axis positioned in an airflow path between the plurality of vanes and the clean air outlet.Type: ApplicationFiled: August 12, 2021Publication date: December 2, 2021Inventors: Kirti Kant Paulla, Blake Guzewicz, Robert Bozzelli, Justin Andrikanich
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Publication number: 20210282611Abstract: A vacuum cleaner comprising a suction source operable to generate an airflow, a first stage cyclonic separator configured to separate debris from the airflow, the airflow rotatable about a first stage separator axis in the first stage separator to separate the debris from the airflow, a second stage cyclonic separator downstream from the first stage cyclonic separator, the second stage cyclonic separator configured to separate debris from the airflow, a first stage collector configured to receive debris from the first stage cyclonic separator, and a second stage collector configured to receive debris from the second stage cyclonic separator, the second stage collector being within the first stage collector, the second stage collector having a cross section taken normal to the first stage separator axis that is polygonal.Type: ApplicationFiled: December 29, 2020Publication date: September 16, 2021Inventor: Kirti Kant Paulla
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Publication number: 20210204779Abstract: A vacuum cleaner includes a suction inlet, a suction source configured to generate an airflow through the suction inlet to draw debris with the airflow through the suction inlet, and a separator assembly. The separator assembly includes a housing having an air inlet and an air outlet, a debris collection chamber within the housing, and an inner chamber formed within a shroud that defines a cyclone axis and has a perforated portion. The inner chamber has a first end and a second end. The first end has a tangential inlet. The second end is open toward the debris collection chamber. An outflow passageway is outside of the shroud and in fluid communication with the air outlet and a filter is in fluid communication with the outflow passageway.Type: ApplicationFiled: March 24, 2021Publication date: July 8, 2021Inventors: Kirti Kant Paulla, David Khalil, Blake Guzewicz, Jake Tyler
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Patent number: 10959587Abstract: A vacuum cleaner includes a suction inlet, a suction source configured to generate an airflow through the suction inlet to draw debris with the airflow through the suction inlet, and a separator assembly. The separator assembly includes a housing having an air inlet and an air outlet, a debris collection chamber within the housing, and an inner chamber formed within a shroud that defines a cyclone axis and has a perforated portion. The inner chamber has a first end and a second end. The first end has a tangential inlet. The second end is open toward the debris collection chamber. An outflow passageway is outside of the shroud and in fluid communication with the air outlet and a filter is in fluid communication with the outflow passageway. The first end of the inner chamber is positioned between the air outlet and the second end of the inner chamber.Type: GrantFiled: August 5, 2019Date of Patent: March 30, 2021Assignee: Techtronic Floor Care Technology LimitedInventors: Kirti Kant Paulla, David Khalil, Blake Guzewicz, Jake Tyler
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Publication number: 20210007565Abstract: A floor cleaner including a recovery tank. The recovery tank includes a tank body having a lower end wall, an open upper end, and a sidewall that extend upwardly from the lower end wall. A cover that includes a suction air outlet in fluid communication with a vacuum source. An inlet duct extends upwardly from the lower end wall. The recover tank includes a shutoff float including a float body and a closure. The float body is configured to float on a surface of cleaning fluid and the closure is received in the suction air outlet to close the suction air outlet. The float body moves along the inlet duct as the float body floats on the surface of the cleaning fluid. The float body includes an aperture extending through the float body and the inlet duct extends through the aperture of the float body.Type: ApplicationFiled: September 30, 2020Publication date: January 14, 2021Inventors: Kirti Kant Paulla, Michael Paul Dawson, Don Lydic, Rafael Davila
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Patent number: 10820762Abstract: A floor cleaner including a recovery tank in fluid communication with a vacuum source and a suction inlet. The recovery tank is configured to store cleaning fluid drawn through the suction inlet from a surface by the vacuum source. The recovery tank includes a tank body and a strainer. The tank body has a lower end wall and a sidewall that extends upwardly from the lower end wall and an inlet duct that extends upwardly from the lower end wall. The strainer is positioned inside the tank body, the strainer movable from a lowermost position to a removed position. The strainer includes a perforated body and an aperture through the body, the inlet duct extends through the aperture of the strainer, and the strainer engages an outer surface of the inlet duct retaining the strainer onto the inlet duct.Type: GrantFiled: August 26, 2019Date of Patent: November 3, 2020Assignee: TTI (Macao Commercial Offshore) LimitedInventors: Kirti Kant Paulla, Michael Paul Dawson, Don Lydic, Rafael Davila
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Patent number: 10786126Abstract: A handheld vacuum cleaner includes a fluid flow path extending from a dirty air inlet to a clean air outlet, a main body including a handle, and a fluid flow motor positioned in the fluid flow path. The vacuum cleaner further includes a dirt collection region with an openable bottom and a cyclonic separator in the fluid flow-path. The cyclonic separator includes a cyclone chamber having a first end wall and a second end wall, a cyclone dirty fluid inlet, and a cyclone clean fluid outlet. The vacuum cleaner further includes a filter chamber in the fluid flow path downstream from the cyclonic separator and upstream from the fluid flow motor. The filter chamber includes an outlet fluidiy communicating the filter chamber and the fluid flow motor and a tangential inlet fluidiy communicating the cyclonic separator and the filter chamber.Type: GrantFiled: November 10, 2016Date of Patent: September 29, 2020Assignee: Techtronic Industries Co. Ltd.Inventors: Kirti Kant Paulla, John Bohlen, Richard Friend, Joseph Saunders, Sergey V. Makarov
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Patent number: 10736475Abstract: A handheld vacuum cleaner that includes a fluid flow motor is positioned in a main body along a fluid flow path and defines a motor axis. A premotor filter is disposed in the main body and includes an annular filter media forming a filter axis. The annular filter media includes a first end, a second end, and a longitudinal filter surface extending between the first end and second end. The annular filter media surrounds a filter air passageway along the filter axis and upstream of the fluid flow motor. A debris separator is upstream of the premotor filter in the fluid flow path and defines a debris separator axis. The filter axis is generally parallel to the motor axis.Type: GrantFiled: October 11, 2019Date of Patent: August 11, 2020Assignee: Techtronic Industries Co. Ltd.Inventors: Kirti Kant Paulla, John Bohlen, Richard Friend, Joseph Saunders, Sergey V. Makarov
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Publication number: 20200221910Abstract: A handheld vacuum cleaner including a fluid flow path, a main body including a handle, a fluid flow motor positioned in the fluid flow path, a dirt collection region, and a cyclone chamber in the fluid flow path. The cyclone chamber includes a first end wall, a second end wall, a sidewall extending along a cyclone axis, a cyclone dirt outlet formed in the sidewall, a cyclone dirty fluid inlet, and a cyclone clean fluid outlet. A duct extends between the cyclone dirt outlet and the dirt collection region. The duct includes an upstream wall and a downstream flow-diverting wall forming a downstream boundary of the cyclone dirt outlet. The duct widens between the upstream wall and the downstream flow-diverting wall in a downstream direction away from the cyclone dirt outlet.Type: ApplicationFiled: February 11, 2020Publication date: July 16, 2020Inventors: Kirti Kant Paulla, John Bohlen, Richard Friend, Joseph Saunders, Sergey V. Makarov