Patents by Inventor Todd Leifheit

Todd Leifheit 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).

  • Patent number: 9510721
    Abstract: A floor treatment apparatus is provided that includes a chassis that supports at least one cleaning element. The chassis is supported by a plurality of wheels, one which is steerable via a steering wheel interconnected to a housing also associated with the chassis. The chassis provided includes a plurality of movable housing members, one of which is associated with the steering wheel. To access the internal components of the floor treatment apparatus, the front housing is rotated or moved away from the other housings wherein the steering wheel does not require disconnection to allow this movement.
    Type: Grant
    Filed: November 11, 2015
    Date of Patent: December 6, 2016
    Assignee: Karcher North America, Inc.
    Inventors: Roger Pedlar, Daniel Pearson, Eric L. Shark, Daniel C. Venard, Brian J. Doll, Rusty Simmons, Nevin Green, Loi X. Tran, Robert S. Gorsky, Steven W. Tucker, Todd Leifheit
  • Patent number: 9357895
    Abstract: A gravity feed solution distribution system for use with surface maintenance and conditioning machines includes front and rear counter-rotating brush rollers within a shroud, a manifold having delivery ports and disposed within the shroud above the counter-rotating brush rollers, an agitating blade extending from an inner surface of the shroud and underneath the manifold to contact the front counter-rotating brush roller, and a baffle extending downward from an inner surface of the shroud above the front counter-rotating brush roller to contact the front counter-rotating brush roller.
    Type: Grant
    Filed: January 14, 2014
    Date of Patent: June 7, 2016
    Assignee: Kärcher North America, Inc.
    Inventors: Todd Leifheit, Steven Tucker
  • Publication number: 20160095489
    Abstract: A floor treatment apparatus is provided that includes a chassis that supports at least one cleaning element. The chassis is supported by a plurality of wheels, one which is steerable via a steering wheel interconnected to a housing also associated with the chassis. The chassis provided includes a plurality of movable housing members, one of which is associated with the steering wheel. To access the internal components of the floor treatment apparatus, the front housing is rotated or moved away from the other housings wherein the steering wheel does not require disconnection to allow this movement.
    Type: Application
    Filed: November 11, 2015
    Publication date: April 7, 2016
    Inventors: Roger PEDLAR, Daniel PEARSON, Eric L. SHARK, Daniel C. VENARD, Brian J. DOLL, Rusty SIMMONS, Nevin GREEN, Loi X. TRAN, Robert S. GORSKY, Steven W. TUCKER, Todd LEIFHEIT
  • Patent number: 9192276
    Abstract: A floor treatment apparatus is provided that includes a chassis that supports at least one cleaning element. The chassis is supported by a plurality of wheels, one which is steerable via a steering wheel interconnected to a housing also associated with the chassis. The chassis provided includes a plurality of movable housing members, one of which is associated with the steering wheel. To access the internal components of the floor treatment apparatus, the front housing is rotated or moved away from the other housings wherein the steering wheel does not require disconnection to allow this movement.
    Type: Grant
    Filed: October 1, 2014
    Date of Patent: November 24, 2015
    Assignee: Karcher North America, Inc.
    Inventors: Roger Pedlar, Daniel Pearson, Eric L. Shark, Daniel C. Venard, Brian J. Doll, Rusty Simmons, Nevin Green, Loi X. Tran, Robert S. Gorsky, Steven W. Tucker, Todd Leifheit
  • Patent number: 8978190
    Abstract: A floor care machine is provided that includes a replaceable floor care element that is quickly and easily attached and detached. To attach the floor care element, an operator positions the floor care element under a motor and lifts the element up to a motor interface. The motor interface aligns with a complementary interface of the floor care element.
    Type: Grant
    Filed: June 28, 2011
    Date of Patent: March 17, 2015
    Assignee: Karcher North America, Inc.
    Inventors: Todd Leifheit, Steven Tucker
  • Publication number: 20150033496
    Abstract: A floor treatment apparatus is provided that includes a chassis that supports at least one cleaning element. The chassis is supported by a plurality of wheels, one which is steerable via a steering wheel interconnected to a housing also associated with the chassis. The chassis provided includes a plurality of movable housing members, one of which is associated with the steering wheel. To access the internal components of the floor treatment apparatus, the front housing is rotated or moved away from the other housings wherein the steering wheel does not require disconnection to allow this movement.
    Type: Application
    Filed: October 1, 2014
    Publication date: February 5, 2015
    Inventors: Roger PEDLAR, Daniel PEARSON, Eric L. SHARK, Daniel C. VENARD, Brian J. DOLL, Rusty SIMMONS, Nevin GREEN, Loi X. TRAN, Robert S. GORSKY, Steven W. TUCKER, Todd LEIFHEIT
  • Patent number: 8887340
    Abstract: A floor treatment apparatus is provided that includes a chassis that supports at least one cleaning element. The chassis is supported by a plurality of wheels, one which is steerable via a steering wheel interconnected to a housing also associated with the chassis. The chassis provided includes a plurality of movable housing members, one of which is associated with the steering wheel. To access the internal components of the floor treatment apparatus, the front housing is rotated or moved away from the other housings wherein the steering wheel does not require disconnection to allow this movement.
    Type: Grant
    Filed: December 18, 2013
    Date of Patent: November 18, 2014
    Assignee: Kärcher North America, Inc.
    Inventors: Roger Pedlar, Daniel Pearson, Eric L. Shark, Daniel C. Venard, Brian J. Doll, Rusty Simmons, Nevin Green, Loi X. Tran, Robert S. Gorsky, Steven W. Tucker, Todd Leifheit
  • Publication number: 20140196230
    Abstract: A gravity feed solution distribution system for use with surface maintenance and conditioning machines includes front and rear counter-rotating brush rollers within a shroud, a manifold having delivery ports and disposed within the shroud above the counter-rotating brush rollers, an agitating blade extending from an inner surface of the shroud and underneath the manifold to contact the front counter-rotating brush roller, and a baffle extending downward from an inner surface of the shroud above the front counter-rotating brush roller to contact the front counter-rotating brush roller.
    Type: Application
    Filed: January 14, 2014
    Publication date: July 17, 2014
    Applicant: Karcher North America, Inc.
    Inventors: Scott Pyne, Pete William Von Vett, Todd Leifheit, Steven Tucker
  • Publication number: 20140130292
    Abstract: A floor treatment apparatus is provided that includes a chassis that supports at least one cleaning element. The chassis is supported by a plurality of wheels, one which is steerable via a steering wheel interconnected to a housing also associated with the chassis. The chassis provided includes a plurality of movable housing members, one of which is associated with the steering wheel. To access the internal components of the floor treatment apparatus, the front housing is rotated or moved away from the other housings wherein the steering wheel does not require disconnection to allow this movement.
    Type: Application
    Filed: December 18, 2013
    Publication date: May 15, 2014
    Applicant: Kärcher North America, Inc.
    Inventors: Roger PEDLAR, Daniel PEARSON, Eric L. SHARK, Daniel C. VENARD, Brian J. DOLL, Rusty SIMMONS, Nevin GREEN, Loi X. TRAN, Robert S. GORSKY, Steven W. TUCKER, Todd LEIFHEIT
  • Publication number: 20130005224
    Abstract: A floor care machine is provided that includes a replaceable floor care element that is quickly and easily attached and detached. To attach the floor care element, an operator positions the floor care element under a motor and lifts the element up to a motor interface. The motor interface aligns with a complementary interface of the floor care element.
    Type: Application
    Filed: June 28, 2011
    Publication date: January 3, 2013
    Applicant: Karcher North America, Inc.
    Inventors: Todd Leifheit, Steven Tucker
  • Publication number: 20060156498
    Abstract: The present invention relates generally to a surface cleaning and treatment apparatus that utilizes dual cleaning brushes. Specifically, the cleaning brushes are driven by the same motor, but rotated in opposite directions.
    Type: Application
    Filed: February 9, 2006
    Publication date: July 20, 2006
    Applicant: Castle Rock Industries, Inc.
    Inventors: Daniel Venard, Matt Forbes, Scott Pyne, Todd Leifheit
  • Publication number: 20060124770
    Abstract: The present invention relates generally to a spray nozzle that is configured to mix at least two cleaning solutions and then to apply the mixed cleaning solutions to a surface to be cleaned. Furthermore, the spray nozzle can be configured to mix the at least two cleaning solutions at various ratios, thereby creating a customized cleaning solution for each type of surface that is to be cleaned.
    Type: Application
    Filed: February 9, 2006
    Publication date: June 15, 2006
    Applicant: Castle Rock Industries, Inc.
    Inventors: Daniel Venard, Benjamin Young, Todd Leifheit