Patents by Inventor Robert Charles Larsen

Robert Charles Larsen 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: 11253898
    Abstract: A hot-forming press (100) comprises a lower press assembly (102) and an upper press assembly (108). The lower press assembly (102) is movable along a vertical axis and comprises a lower die (106), and a lower hot-box portion (104), configured to receive the lower die (106). The upper press assembly (108) is movable along the vertical axis above the lower press assembly (102) and comprises an upper die (112), and an upper hot-box portion (110). The upper hot-box portion (110) is configured to receive the upper die (112) so that the upper die (112) is positioned opposite the lower die (106). The lower die (106) and the upper die (112) are configured to apply a forming pressure to a workpiece (114) that is received between the lower die (106) and the upper die (112). The lower hot-box portion (104) and the upper hot-box portion (110) are configured to heat the workpiece (114).
    Type: Grant
    Filed: October 18, 2018
    Date of Patent: February 22, 2022
    Assignee: The Boeing Company
    Inventors: Daniel Gordon Sanders, Robert Charles Larsen, Donald Lloyd Conaway
  • Patent number: 11072011
    Abstract: A hot box comprises a lower hot-box portion and an upper hot-box portion. The lower hot-box portion comprises a lower housing, a lower heating plate, and a lower insulation layer. The lower heating plate is received within the lower housing and is configured to support a lower die. The lower insulation layer is positioned between the lower housing and the lower heating plate. The upper hot-box portion is positionable above the lower hot-box portion and comprises an upper housing, an upper heating plate, and an upper insulation layer. The upper heating plate is received within the upper housing and is configured to support an upper die. The upper insulation layer is positioned between the upper housing and the upper heating plate.
    Type: Grant
    Filed: October 18, 2018
    Date of Patent: July 27, 2021
    Assignee: The Boeing Company
    Inventors: Daniel Gordon Sanders, Robert Charles Larsen, Donald Lloyd Conaway
  • Publication number: 20200122215
    Abstract: A hot-forming press (100) comprises a lower press assembly (102) and an upper press assembly (108). The lower press assembly (102) is movable along a vertical axis and comprises a lower die (106), and a lower hot-box portion (104), configured to receive the lower die (106). The upper press assembly (108) is movable along the vertical axis above the lower press assembly (102) and comprises an upper die (112), and an upper hot-box portion (110). The upper hot-box portion (110) is configured to receive the upper die (112) so that the upper die (112) is positioned opposite the lower die (106). The lower die (106) and the upper die (112) are configured to apply a forming pressure to a workpiece (114) that is received between the lower die (106) and the upper die (112). The lower hot-box portion (104) and the upper hot-box portion (110) are configured to heat the workpiece (114).
    Type: Application
    Filed: October 18, 2018
    Publication date: April 23, 2020
    Inventors: Daniel Gordon Sanders, Robert Charles Larsen, Donald Lloyd Conaway
  • Publication number: 20200122216
    Abstract: A hot box (300) comprises a lower hot-box portion (104) and an upper hot-box portion (110). The lower hot-box portion (104) comprises a lower housing (142), a lower heating plate (144), and a lower insulation layer (148). The lower heating plate (144) is received within the lower housing (142) and is configured to support a lower die (106). The lower insulation layer (148) is positioned between the lower housing (142) and the lower heating plate (144). The upper hot-box portion (110) is positionable above the lower hot-box portion (104) and comprises an upper housing (186), an upper heating plate (188), and an upper insulation layer (192). The upper heating plate (188) is received within the upper housing (186) and is configured to support an upper die (112). The upper insulation layer (192) is positioned between the upper housing (186) and the upper heating plate (188).
    Type: Application
    Filed: October 18, 2018
    Publication date: April 23, 2020
    Inventors: Daniel Gordon Sanders, Robert Charles Larsen, Donald Lloyd Conaway