Patents by Inventor Robert Karz

Robert Karz 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).

  • Assistive mobility device
    Patent number: 11813212
    Abstract: An assistive mobility device comprising a seat and knee pad, the knee pad arranged to lift a person in a kneeling position into said seat and stabilize said person in said seat, maintaining supportive contact with the person's legs. The seat and knee pad each have an independent rotational tilt adjustment and can be raised and lowered together.
    Type: Grant
    Filed: April 6, 2019
    Date of Patent: November 14, 2023
    Assignee: RAPADAPT CORPORATION
    Inventors: Devin Hamilton, Robert Karz
  • ASSISTIVE MOBILITY DEVICE
    Publication number: 20200315882
    Abstract: An assistive mobility device comprising a seat and knee pad, the knee pad arranged to lift a person in a kneeling position into said seat and stabilize said person in said seat, maintaining supportive contact with the person's legs. The seat and knee pad each have an independent rotational tilt adjustment and can be raised and lowered together.
    Type: Application
    Filed: April 6, 2019
    Publication date: October 8, 2020
    Inventors: Devin Hamilton, Robert Karz
  • ASSISTIVE MOBILITY DEVICE
    Publication number: 20200315875
    Abstract: An assistive mobility device comprising a seat and knee pad, the knee pad arranged to lift a person in a kneeling position into said seat and stabilize said person in said seat, maintaining supportive contact with the person's legs. The seat and knee pad each have an independent rotational tilt adjustment and can be raised and lowered together.
    Type: Application
    Filed: April 6, 2019
    Publication date: October 8, 2020
    Inventors: Devin Hamilton, Robert Karz
  • Assistive mobility device
    Patent number: 10792200
    Abstract: An assistive mobility device comprising a seat and knee pad, the knee pad arranged to lift a person in a kneeling position into said seat and stabilize said person in said seat, maintaining supportive contact with the person's legs. The seat and knee pad each have an independent rotational tilt adjustment and can be raised and lowered together.
    Type: Grant
    Filed: April 6, 2019
    Date of Patent: October 6, 2020
    Assignee: RapAdapt LLC
    Inventors: Devin Hamilton, Robert Karz
  • Material supply module drive shaft
    Publication number: 20070140735
    Abstract: A drive shaft for coupling with a drive gear having a gear shaft extending outwardly therefrom. The gear shaft includes a twisted triangular coupling hole having defined vertices. The drive shaft includes a cylinder flange joined to one end of a drive shaft cylinder, the cylinder flange having a concentric shaft extending outwardly therefrom and a plurality of members extending longitudinally outwardly from the concentric shaft, wherein the members are adapted to fit within the twisted triangular coupling hole. The plurality of members may include parallelogram-shaped prongs. Alternatively, a rod extends outwardly from the concentric shaft. The rod has three skewed blades that extend radially outwardly therefrom. Another aspect is a material supply module including a drive shaft.
    Type: Application
    Filed: December 20, 2005
    Publication date: June 21, 2007
    Inventors: Robert Karz, John Shaw