Patents by Inventor David M. Beiermann

David M. Beiermann 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: 7356867
    Abstract: A hand-operable brush for cleaning the crevices of vehicle rims includes a handle having adjacent internal compartments and proximal and distal ends. The handle has an outer surface with linear grooves for assisting an operator to maintain a sufficient grip. The distal end is provided with an outlet in fluid communication with the compartments. A variable speed motor is disposed within one of the compartments and includes a drive shaft and a switch connected thereto. The device also includes a cleaning section including a driven shaft operable via the motor and having bristles extending away therefrom. A coupling member is positioned adjacent to the distal end and provided with isolated channels for receiving the drive shaft and the driven shaft. A power supply source including a plurality of batteries is housed within one compartment and is electrically coupled to the motor.
    Type: Grant
    Filed: August 11, 2004
    Date of Patent: April 15, 2008
    Inventor: David M. Beiermann