Patents by Inventor Chris W. Mandell

Chris W. Mandell 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).

  • Pivoting jaw pipe wrench
    Patent number: 7044030
    Abstract: A pivoting jaw pipe wrench comprises a fixed jaw including a plurality of discrete teeth, each for a different one of a plurality of pipes having different diameters. A pivotal jaw member has first and second jaw faces at an obtuse angle to one another and displaceable toward and away from the fixed jaw, whereby a pipe of given diameter to be gripped by the wrench is cradled between the first and second jaw surfaces and engaged by the one of the discrete teeth provided on the arcuate jaw for the pipe of given diameter.
    Type: Grant
    Filed: January 26, 2004
    Date of Patent: May 16, 2006
    Assignee: Emerson Electric Co.
    Inventors: Glen R. Chartier, David L. Machovina, Chris W. Mandell
  • Pivoting jaw pipe wrench
    Publication number: 20040154440
    Abstract: A pivoting jaw pipe wrench comprises a fixed jaw including a plurality of discrete teeth, each for a different one of a plurality of pipes having different diameters. A pivotal jaw member has first and second jaw faces at an obtuse angle to one another and displaceable toward and away from the fixed jaw, whereby a pipe of given diameter to be gripped by the wrench is cradled between the first and second jaw surfaces and engaged by the one of the discrete teeth provided on the arcuate jaw for the pipe of given diameter.
    Type: Application
    Filed: January 26, 2004
    Publication date: August 12, 2004
    Applicant: Emerson Electric Co., a corporation of Missouri
    Inventors: Glen R. Chartier, David L. Machovina, Chris W. Mandell
  • Pivoting jaw pipe wrench
    Patent number: 6742419
    Abstract: A pivoting jaw pipe wrench comprises a fixed jaw including a plurality of discrete teeth, each for a different one of a plurality of pipes having different diameters. A pivotal jaw member has first and second jaw faces at an obtuse angle to one another and displaceable toward and away from the fixed jaw, whereby a pipe of given diameter to be gripped by the wrench is cradled between the first and second jaw surfaces and engaged by the one of the discrete teeth provided on the arcuate jaw for the pipe of given diameter.
    Type: Grant
    Filed: May 10, 2002
    Date of Patent: June 1, 2004
    Assignee: Emerson Electric Co.
    Inventors: Glen R. Chartier, David L. Machovina, Chris W. Mandell
  • Pivoting jaw pipe wrench
    Publication number: 20030209109
    Abstract: A pivoting jaw pipe wrench comprises a fixed jaw including a plurality of discrete teeth, each for a different one of a plurality of pipes having different diameters. A pivotal jaw member has first and second jaw faces at an obtuse angle to one another and displaceable toward and away from the fixed jaw, whereby a pipe of given diameter to be gripped by the wrench is cradled between the first and second jaw surfaces and engaged by the one of the discrete teeth provided on the arcuate jaw for the pipe of given diameter.
    Type: Application
    Filed: May 10, 2002
    Publication date: November 13, 2003
    Applicant: Emerson Electric Co.
    Inventors: Glen R. Chartier, David L. Machovina, Chris W. Mandell
  • Pipe wrench
    Patent number: D474380
    Type: Grant
    Filed: May 10, 2002
    Date of Patent: May 13, 2003
    Assignee: Emerson Electric Co.
    Inventors: Glen R. Chartier, David L. Machovina, Chris W. Mandell