Patents by Inventor John Alberts

John Alberts 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).

  • INTERFACE FOR VENTILATOR
    Publication number: 20210379307
    Abstract: A ventilator comprising a respiratory gas source and control systems, a housing with a receptacle and, lying at the base in a depression, an interface for receiving different data transfer sticks and data storage sticks.
    Type: Application
    Filed: June 3, 2021
    Publication date: December 9, 2021
    Inventors: Benjamin ADAMETZ, John ALBERTS
  • Radial cooling fan for vacuum cleaner motor
    Patent number: 4851017
    Abstract: A liquid bath vacuum cleaner includes a housing having an assembly for cleaning air. A cap assembly is operably connected to the housing. An inner canister is positioned within the cap assembly. A motor is mounted within the canister for rotating the assembly for cleaning air. The cap assembly includes an inlet for enabling ingress of cooling air into the cap assembly and an outlet for enabling egress of cooling air from the cap assembly. A motor cooling fan is connected to the motor for drawing cooling air through the inlet and for exhausting the cooling air radially from the motor cooling fan to cool the motor and exhaust the cooling air through the outlet.
    Type: Grant
    Filed: October 7, 1987
    Date of Patent: July 25, 1989
    Assignee: Rexair, Inc.
    Inventors: Roy O. Erickson, Steve Selewski, John Alberts