Patents by Inventor Dave Petersen

Dave Petersen 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).

  • Publication number: 20210127915
    Abstract: A surface cleaning apparatus has a rotatably mounted brush. The brush has a leading row of bristles, a trailing row of bristles and a hair blocking member between the trailing row of bristles and the leading row of bristles.
    Type: Application
    Filed: January 14, 2021
    Publication date: May 6, 2021
    Inventors: Wayne Ernest Conrad, Dave Petersen
  • Patent number: 10966582
    Abstract: A cyclone assembly for a surface cleaning apparatus has a first cyclonic cleaning stage and a second cyclonic cleaning stage downstream from the first cyclonic cleaning stage. The second cyclonic cleaning stage has more air inlets than the first cyclonic cleaning stage. The second cyclonic cleaning stage has a second stage air inlet cross-sectional area in a direction transverse to a direction of air flow entering the second stage cyclone chamber that is 1.1-2 times larger than a first stage air inlet cross-sectional area in a direction transverse to a direction of air flow entering the first stage cyclone chamber.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: April 6, 2021
    Assignee: Omachron Intellectual Property Inc.
    Inventors: Wayne Ernest Conrad, Dave Petersen
  • Patent number: 10959586
    Abstract: A cyclone assembly for a surface cleaning apparatus has an openable lower end, a first cyclonic cleaning stage, a second cyclonic cleaning stage, and an airflow passage from the first cyclonic cleaning stage to the second cyclonic cleaning stage. The lower end is moveable to an open position in which at least a portion of the air flow passage is opened.
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: March 30, 2021
    Assignee: Omachron Intellectual Property Inc.
    Inventors: Wayne Ernest Conrad, Dave Petersen
  • Patent number: 10932631
    Abstract: A surface cleaning apparatus includes a rotatably mounted brush associated with a dirty air inlet. A plurality of bristles extend outwardly from a radial outer surface of the rotatably mounted brush. At least some of the bristles are encased in a sheath.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: March 2, 2021
    Assignee: Omachron Intellectual Property Inc.
    Inventors: Wayne Ernest Conrad, Dave Petersen
  • Publication number: 20210030224
    Abstract: A vacuum cleaner has two cyclonic cleaning stages. The air outlet of the first cyclonic cleaning stage is located at the air inlet end of the second cyclonic cleaning stage. The axially opposed end of the second cyclonic cleaning stage is openable.
    Type: Application
    Filed: October 21, 2020
    Publication date: February 4, 2021
    Inventors: Wayne Ernest Conrad, Dave Petersen
  • Patent number: 10888205
    Abstract: A surface cleaning apparatus includes a rotatably mounted brush associated with a dirty air inlet. A plurality of bristles extend outwardly from a radial outer surface of the rotatably mounted brush. A leading hair blocking member is provided adjacent a forward rotational side of the bristles, and a trailing hair blocking member is provided adjacent a rearward rotational side of the bristles.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: January 12, 2021
    Assignee: Omachron Intellectual Property Inc.
    Inventors: Wayne Ernest Conrad, Dave Petersen
  • Patent number: 10849477
    Abstract: A cyclone assembly for a surface cleaning apparatus has a first cyclonic cleaning stage having a first end moveable between a closed position in which a first stage cyclone chamber and a first stage dirt collection chamber are closed and an open position in which the first stage cyclone chamber and the first stage dirt collection chamber are open, and a second cyclonic cleaning stage having a second end moveable between a closed position in which a plurality of second stage cyclone chambers and at least one second stage dirt collection chamber are closed and an open position in which the second stage cyclone chambers and the second stage dirt collection chamber are open.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: December 1, 2020
    Assignee: Omachron Intellectual Property Inc.
    Inventors: Wayne Ernest Conrad, Dave Petersen
  • Publication number: 20200367708
    Abstract: A hand vacuum cleaner has a cyclone, a suction motor and fan assembly downstream of the cyclone and a post motor filter downstream of the suction motor and fan assembly. The post-motor filter housing has an openable bottom panel provided in the lower end of the hand vacuum cleaner.
    Type: Application
    Filed: August 11, 2020
    Publication date: November 26, 2020
    Inventors: Wayne Ernest Conrad, Nina Conrad, Dave Petersen
  • Patent number: 10813510
    Abstract: A hand vacuum cleaner has a suction motor and fan assembly, an air treatment member and a pre-motor filter. The front end of the air treatment member is forward of the pre-motor filter media and the front end of the suction motor is forward of the pre-motor filter media.
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: October 27, 2020
    Assignee: Omachron Intellectual Property Inc.
    Inventors: Andre D. Brown, Wayne Conrad, Nina Conrad, Lee M. Cottrell, Dave Petersen, Jason B. Thorne, Adam Udy
  • Publication number: 20200329909
    Abstract: A cooking apparatus includes a cooking chamber having one or more cooking zones. One or more of a heating element, an air mover, and a steam generator may be associated with one or more of the cooking zones.
    Type: Application
    Filed: October 4, 2018
    Publication date: October 22, 2020
    Inventors: Wayne Ernest Conrad, Dave Petersen, Nina Conrad
  • Patent number: 10791889
    Abstract: A hand vacuum cleaner may have an air treatment member and a pre-motor filter downstream from the air treatment member. A suction motor and fan assembly may be is positioned downstream of and below the pre-motor filter, a post motor filter may be positioned downstream of the suction motor and fan assembly and in the lower end of the hand vacuum cleaner. A clean air outlet may be positioned below the suction motor and fan assembly whereby air travels downwardly from the suction motor and fan assembly and through the post motor filter to the clean air outlet.
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: October 6, 2020
    Assignee: Omachron Intellectual Property Inc.
    Inventors: Wayne Ernest Conrad, Nina Conrad, Dave Petersen
  • Patent number: 10765279
    Abstract: A surface cleaning apparatus includes a rotatably mounted brush associated with a dirty air inlet. A plurality of bristles extend outwardly from a radial outer surface of the rotatably mounted brush. A heating element that is positioned exterior to the brush core.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: September 8, 2020
    Assignee: Omachron Intellectual Property Inc.
    Inventors: Wayne Ernest Conrad, Dave Petersen
  • Patent number: 10729295
    Abstract: An upright surface cleaning apparatus comprises a surface cleaning head a cleaning unit moveably mounted to the surface cleaning head between a generally upright position and a rearwardly inclined in use position, a push handle and an above floor cleaning assembly. The above floor cleaning assembly comprises a flexible conduit having an inlet end and an outlet end, wherein in a floor cleaning mode the above floor cleaning assembly is positioned between a front transverse plane that extends transverse to the central longitudinal axis of the surface cleaning head and is located at the front side of the cleaning unit and a rear transverse plane that extends transverse to the central longitudinal axis and is located at the rear side of the cleaning unit.
    Type: Grant
    Filed: August 29, 2016
    Date of Patent: August 4, 2020
    Assignee: Omachron Intellectual Property Inc.
    Inventors: Wayne Ernest Conrad, Nina Conrad, Dave Petersen
  • Patent number: 10729294
    Abstract: A surface cleaning apparatus has a cyclone chamber provided in an air flow path. The cyclone chamber has a screen assembly with an outlet section, a longitudinally spaced apart distal section and a longitudinally extending porous section. The outlet section includes a non-porous member extending longitudinally inwardly an outlet section length from an outlet end of the outlet section to a longitudinally inwardly positioned inlet end of the outlet section. The outlet end of the outlet section overlies a cyclone air outlet. The porous section extends longitudinally inwardly from an outlet end of the porous section that is located at the inlet end of the outlet section. The distal section has a distal section length in the longitudinal direction that is greater than the cyclone outlet port length.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: August 4, 2020
    Assignee: Omachron Intellectual Property Inc.
    Inventors: Wayne Ernest Conrad, Nina Conrad, Dave Petersen
  • Patent number: 10722087
    Abstract: A surface cleaning apparatus includes a rotatably mounted brush associated with a dirty air inlet. A plurality of bristles extend outwardly from a radial outer surface of the rotatably mounted brush. A hair blocking member is positioned between a forward rotational side of the bristles and a rearward rotational side of the bristles.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: July 28, 2020
    Assignee: Omachron Intellectual Property Inc.
    Inventors: Wayne Ernest Conrad, Dave Petersen
  • Patent number: 10722022
    Abstract: A surface cleaning apparatus includes a rotatably mounted brush associated with a dirty air inlet. A plurality of bristles extend outwardly from a radial outer surface of the rotatably mounted brush. The brush roll is provided with at least one hard floor cleaning pad and at least one flexible protective pad member.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: July 28, 2020
    Assignee: Omachron Intellectual Property Inc
    Inventors: Wayne Ernest Conrad, Dave Petersen
  • Patent number: 10716448
    Abstract: A surface cleaning apparatus, such as an extractor, has a liquid delivery system operable to alternately deliver a carpet cleaning solution and a hard floor cleaning solution.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: July 21, 2020
    Assignee: Omachron Intellectual Property Inc.
    Inventors: Wayne Ernest Conrad, Dave Petersen, Nina Conrad, Daniel Innes, Adam Udy, Brian Christopher Burke
  • Patent number: 10687679
    Abstract: An upright surface cleaning apparatus such as an extractor has an upright section moveably mounted to a surface cleaning head. The upright section comprises a first stage liquid separator and a second stage cyclone separator, wherein the cyclone separator is positioned above and downstream from the first stage liquid separator when the upright section is in the storage position.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: June 23, 2020
    Assignee: Omachron Intellectual Property Inc.
    Inventors: Wayne Ernest Conrad, Dave Petersen, Nina Conrad, Daniel Innes
  • Publication number: 20200187738
    Abstract: A surface cleaning apparatus comprises a cyclone positioned in an air flow path having a tangential air inlet with an inlet end, an outlet end, a cross-sectional flow area in a direction of flow through the tangential air inlet, a height in a direction of the cyclone axis of rotation and a width in a direction transverse to the height of the tangential air inlet. The air flow path comprises an air flow conduit at the inlet end of the tangential inlet having a cross-sectional flow area in a direction transverse to a direction of flow through the air flow conduit. The cross-sectional flow area of the tangential air inlet is greater than the cross-sectional flow area of the air flow conduit and one of the width and height of the tangential air inlet is greater than the other of the width and height of the tangential air inlet.
    Type: Application
    Filed: February 26, 2020
    Publication date: June 18, 2020
    Inventors: Wayne Ernest Conrad, Nina Conrad, Dave Petersen
  • Patent number: 10674884
    Abstract: A surface cleaning apparatus has a cyclone chamber provided in an air flow path. The cyclone chamber has a screen assembly with an outlet section, a longitudinally spaced apart distal section and a longitudinally extending porous section. The outlet section includes a non-porous member extending longitudinally inwardly an outlet section length from an outlet end of the outlet section to a longitudinally inwardly positioned inlet end of the outlet section. The outlet end of the outlet section overlies a cyclone air outlet. The porous section extends longitudinally inwardly from an outlet end of the porous section that is located at the inlet end of the outlet section. The inlet end of the outlet section has a width in a direction transverse to the longitudinal direction that is greater than a width of the outlet end of the porous section in the transverse direction.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: June 9, 2020
    Assignee: Omachron Intellectual Property Inc.
    Inventors: Wayne Ernest Conrad, Nina Conrad, Dave Petersen