Patents by Inventor Lee Sword

Lee Sword 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).

  • High travel suspension for small ground mobile robots
    Patent number: 8875816
    Abstract: A lightweight mobile robot includes a chassis less than 500 pounds and two independent tracked drives including a drive wheel assembly, four or more independently suspended bogie assemblies, an idler wheel assembly, a compliant front shoe fixedly coupled to an independently suspended bogie assembly positioned adjacent the idler wheel assembly, and a compliant elastomer track entraining the drive wheel, road wheels, idler wheel assembly and compliant front shoe. The bogie assembly includes a serpentine suspension arm having a corresponding road wheel rotatably mounted at a distal end thereof, the bogie arm swingable through a range entirely beneath the chassis. The serpentine suspension arm provides clearance for adjacent road wheels to swing past one another without making contact with any portion of the adjacent bogie assembly. The compliant elastomer track has center guides and peripheral drive features protruding therefrom for engaging the drive wheel, road wheels, and idler wheel.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: November 4, 2014
    Assignee: iRobot Corporation
    Inventors: Erik E. Steltz, Jeffrey L. Weeks, Lee Sword, Annan Michael Mozeika
  • Floor cleaning apparatus with control circuitry
    Publication number: 20050028315
    Abstract: A floor cleaner is provided for cleaning a floor, where the floor cleaner has a front and a rear and includes: a sweeper for sweeping the floor; a scrubber, connected to the sweeper and located in the rear of the sweeper, for wetting and cleaning the floor; and a burnisher, connected to the scrubber and located in the rear of the scrubber, for burnishing the floor.
    Type: Application
    Filed: September 3, 2004
    Publication date: February 10, 2005
    Inventors: Victor Thomas, Robert Kay, Jayant Sharma, Phillip Mass, Rosario Robert, Colin Angle, Lee Sword, Joseph Jones, Paul Sandin, John O'Brien, Benjamin Wirz, Mark Chiappetta, Gideon Coltof
  • Floor cleaning apparatus with control circuitry
    Publication number: 20050028316
    Abstract: A floor cleaner is provided for cleaning a floor, where the floor cleaner has a front and a rear and includes: a sweeper for sweeping the floor; a scrubber, connected to the sweeper and located in the rear of the sweeper, for wetting and cleaning the floor; and a burnisher, connected to the scrubber and located in the rear of the scrubber, for burnishing the floor.
    Type: Application
    Filed: September 3, 2004
    Publication date: February 10, 2005
    Inventors: Victor Thomas, Robert Kay, Jayant Sharma, Phillip Mass, Rosario Robert, Colin Angle, Lee Sword, Joseph Jones, Paul Sandin, John O'Brien, Benjamin Wirz, Selma Slipichevich, Mark Chiappetta, Gideon Coltof, Robert Connors
  • Floor cleaning apparatus
    Publication number: 20050015915
    Abstract: A floor cleaner is provided for cleaning a floor, where the floor cleaner has a front and a rear and includes: a sweeper for sweeping the floor; a scrubber, connected to the sweeper and located in the rear of the sweeper, for wetting and cleaning the floor; and a burnisher, connected to the scrubber and located in the rear of the scrubber, for burnishing the floor.
    Type: Application
    Filed: January 6, 2004
    Publication date: January 27, 2005
    Inventors: Victor Thomas, Robert Kay, Jayant Sharma, Philip Mass, Rosario Robert, Colin Angle, Lee Sword, Joseph Jones, Paul Sandin, John O'Brien, Benjamin Wirz, Mark Chiappetta, Gideon Coltof
  • Mars rover
    Patent number: D437255
    Type: Grant
    Filed: April 4, 1996
    Date of Patent: February 6, 2001
    Assignee: California Institute of Technology
    Inventors: Don Bickler, Kenneth Jewett, Howard Eisen, Lee Sword