Patents by Inventor Robert Effingham Lawrence

Robert Effingham Lawrence 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).

  • Wash system for washing appliance
    Patent number: 11672403
    Abstract: A washing machine such as a dishwashing machine, preferably of the drawer-style or table-top style, or a laundry washing machine, the washing machine having at least one low-height wash liquid conduit connecting the outlet of a sump region of a washing tub to a wash pump. A cover plate is provided for covering a section of the washing tub base and the at least one low-height conduit is formed between the base of the washing tub and the cover plate by a combination thereof. The surface of a heating unit forms a surface of the low-height conduit and the sump is provided with multiple outlets.
    Type: Grant
    Filed: April 9, 2021
    Date of Patent: June 13, 2023
    Inventors: Wayne Andrew Mason, Paul Christiaans, Robert Effingham Lawrence
  • WASH SYSTEM FOR WASHING APPLIANCE
    Publication number: 20210228059
    Abstract: A washing machine such as a dishwashing machine, preferably of the drawer-style or table-top style, or a laundry washing machine, the washing machine having at least one low-height wash liquid conduit connecting the outlet of a sump region of a washing tub to a wash pump. A cover plate is provided for covering a section of the washing tub base and the at least one low-height conduit is formed between the base of the washing tub and the cover plate by a combination thereof. The surface of a heating unit forms a surface of the low-height conduit and the sump is provided with multiple outlets.
    Type: Application
    Filed: April 9, 2021
    Publication date: July 29, 2021
    Inventors: Wayne Andrew Mason, Paul Christiaans, Robert Effingham Lawrence
  • Wash system for washing appliance
    Patent number: 11000177
    Abstract: A washing machine such as a dishwashing machine, preferably of the drawer-style or table-top style, or a laundry washing machine, the washing machine having at least one low-height wash liquid conduit connecting the outlet of a sump region of a washing tub to a wash pump. The at least one low-height conduit having a transverse cross-section that is substantially oblong. In one aspect, the surface of a heating unit forms a surface of a low-height conduit. In another aspect, the sump is provided with multiple outlets. In another aspect, a cover plate is provided for covering a section of a washing tub base and the at least one low-height conduit is formed between the base of the washing tub and the cover plate by a combination thereof.
    Type: Grant
    Filed: February 15, 2016
    Date of Patent: May 11, 2021
    Inventors: Wayne Andrew Mason, Paul Christiaans, Robert Effingham Lawrence
  • Wash System For Washing Appliance
    Publication number: 20180035864
    Abstract: A washing machine such as a dishwashing machine, preferably of the drawer-style or table-top style, or a laundry washing machine, the washing machine having at least one low-height wash liquid conduit connecting the outlet of a sump region of a washing tub to a wash pump. The at least one low-height conduit having a transverse cross-section that is substantially oblong. In one aspect, the surface of a heating unit forms a surface of a low-height conduit. In another aspect, the sump is provided with multiple outlets. In another aspect, a cover plate is provided for covering a section of a washing tub base and the at least one low-height conduit is formed between the base of the washing tub and the cover plate by a combination thereof.
    Type: Application
    Filed: February 15, 2016
    Publication date: February 8, 2018
    Inventors: Wayne Andrew Mason, Paul Christiaans, Robert Effingham Lawrence