Patents by Inventor Douglas A. Cardo

Douglas A. Cardo 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).

  • Cooling a drum pump motor and/or battery
    Patent number: 9273697
    Abstract: A power tool that includes a motor sub-assembly, one or more batteries, and a cooling fan. The motor sub-assembly includes a motor and a motor fan. The one or more batteries are configured to provide power to the motor. The cooling fan is disposed vertically above the motor sub-assembly and the one or more batteries during operation of the power tool, where the cooling fan is configured to draw air in an upwards direction through the cooling fan, thereby dissipating heat from the motor and/or the one or more batteries, and where the upwards direction is the same a free convection direction associated with a density difference between hot air radiating from the motor and/or one or more batteries and surrounding cooler air.
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: March 1, 2016
    Assignee: Finish Thompson Inc.
    Inventor: Douglas A. Cardo
  • COOLING A DRUM PUMP MOTOR AND/OR BATTERY
    Publication number: 20140154098
    Abstract: A power tool that includes a motor sub-assembly, one or more batteries, and a cooling fan. The motor sub-assembly includes a motor and a motor fan. The one or more batteries are configured to provide power to the motor. The cooling fan is disposed vertically above the motor sub-assembly and the one or more batteries during operation of the power tool, where the cooling fan is configured to draw air in an upwards direction through the cooling fan, thereby dissipating heat from the motor and/or the one or more batteries, and where the upwards direction is the same a free convection direction associated with a density difference between hot air radiating from the motor and/or one or more batteries and surrounding cooler air.
    Type: Application
    Filed: November 30, 2012
    Publication date: June 5, 2014
    Applicant: Finish Thompson Inc.
    Inventor: Douglas A. Cardo
  • Discharge head
    Patent number: D657849
    Type: Grant
    Filed: December 3, 2010
    Date of Patent: April 17, 2012
    Assignee: Finish Thompson, Inc.
    Inventor: Douglas A. Cardo
  • Discharge head
    Patent number: D658273
    Type: Grant
    Filed: December 3, 2010
    Date of Patent: April 24, 2012
    Assignee: Finish Thompson, Inc.
    Inventor: Douglas A. Cardo