Patents by Inventor Charles Ringhofer

Charles Ringhofer 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: 8465199
    Abstract: A gyroscopic paint mixer having a rotatable frame with a clamp lock providing automatic transfer from an unclamping to a clamping condition, providing silent operation through the use of one way clutches, the mixer also having a vertical stop apparatus coupled to an access door for stopping and holding the rotatable frame in an upright position, the mixer also having a bail retainer supported by a carriage assembly mounted for rotation on a clamp plate with a cam urging the bail retainer to the side of the frame when the bail retainer is released from the paint container with the paint container in an upright position in the rotatable frame.
    Type: Grant
    Filed: April 13, 2012
    Date of Patent: June 18, 2013
    Assignee: Red Devil Equipment Co.
    Inventors: Aaron Curtis, Stephen J. Carlson, Charles Ringhofer, Benjamin M. Johnson, Brent Thomas Harrold, Thomas J. Midas
  • Publication number: 20120201093
    Abstract: A gyroscopic paint mixer having a rotatable frame with a clamp lock providing automatic transfer from an unclamping to a clamping condition, providing silent operation through the use of one way clutches, the mixer also having a vertical stop apparatus coupled to an access door for stopping and holding the rotatable frame in an upright position, the mixer also having a bail retainer supported by a carriage assembly mounted for rotation on a clamp plate with a cam urging the bail retainer to the side of the frame when the bail retainer is released from the paint container with the paint container in an upright position in the rotatable frame.
    Type: Application
    Filed: April 13, 2012
    Publication date: August 9, 2012
    Applicant: Red Devil Equipment Company
    Inventors: Aaron Curtis, Stephen J. Carlson, Charles Ringhofer, Benjamin M. Johnson, Brent Thomas Harrold, Thomas J. Midas
  • Patent number: 8157436
    Abstract: A gyroscopic paint mixer having a rotatable frame with a clamp lock providing automatic transfer from an unclamping to a clamping condition, providing silent operation through the use of one way clutches, the mixer also having a vertical stop apparatus coupled to an access door for stopping and holding the rotatable frame in an upright position, the mixer also having a bail retainer supported by a carriage assembly mounted for rotation on a clamp plate with a cam urging the bail retainer to the side of the frame when the bail retainer is released from the paint container with the paint container in an upright position in the rotatable frame.
    Type: Grant
    Filed: February 12, 2009
    Date of Patent: April 17, 2012
    Assignee: Red Devil Equipment Company
    Inventors: Aaron Curtis, Stephen J. Carlson, Charles Ringhofer, Benjamin M. Johnson, Brent Thomas Harrold, Thomas J. Midas
  • Publication number: 20090207690
    Abstract: A gyroscopic paint mixer having a rotatable frame with a clamp lock providing automatic transfer from an unclamping to a clamping condition, providing silent operation through the use of one way clutches, the mixer also having a vertical stop apparatus coupled to an access door for stopping and holding the rotatable frame in an upright position, the mixer also having a bail retainer supported by a carriage assembly mounted for rotation on a clamp plate with a cam urging the bail retainer to the side of the frame when the bail retainer is released from the paint container with the paint container in an upright position in the rotatable frame.
    Type: Application
    Filed: February 12, 2009
    Publication date: August 20, 2009
    Applicant: Red Devil Equipment Company
    Inventors: Aaron Curtis, Stephen J. Carlson, Charles Ringhofer, Benjamin M. Johnson, Brent Thomas Harrold, Thomas J. Midas