Patents by Inventor Abraham B. Contreras

Abraham B. Contreras 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).

  • Cartesian pipe facer
    Patent number: 10603724
    Abstract: A facer for use in preparing the opposed ends of polyolefin pipes for fusion into a pipeline has a pair of cutting wheels which rotate in unison. A controller causes the cutting wheels to trace and face the pipe end walls in a closed loop path.
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: March 31, 2020
    Inventors: James R. Perrault, Seth P. Ahrens, Abraham B. Contreras, William Barton Draeger, Fabiano Tavares de Souza
  • Cartesian Pipe Facer
    Publication number: 20170197255
    Abstract: A facer for use in preparing the opposed ends of polyolefin pipes for fusion into a pipeline has a pair of cutting wheels which rotate in unison. A controller causes the cutting wheels to trace and face the pipe end walls in a closed loop path.
    Type: Application
    Filed: March 27, 2017
    Publication date: July 13, 2017
    Applicant: McElroy Manufacturing, Inc.
    Inventors: James R. Perrault, Seth P. Ahrens, Abraham B. Contreras, William Barton Draeger, Fabiano Tavares de Souza
  • Cartesian pipe facer
    Patent number: 9604288
    Abstract: A facer for use in preparing the opposed ends of polyolefin pipes for fusion into a pipeline has a pair of cutting wheels which rotate in unison. A controller causes the cutting wheels to trace and face the pipe end walls in a closed loop path.
    Type: Grant
    Filed: September 17, 2013
    Date of Patent: March 28, 2017
    Assignee: McElroy Manufacturing, Inc.
    Inventors: James R. Perrault, Seth P. Ahrens, Abraham B. Contreras, William Barton Draeger, Fabiano Tavares de Souza
  • Cartesian Pipe Facer
    Publication number: 20150078853
    Abstract: A facer for use in preparing the opposed ends of polyolefin pipes for fusion into a pipeline has a pair of cutting wheels which rotate in unison. A controller causes the cutting wheels to trace and face the pipe end walls in a closed loop path.
    Type: Application
    Filed: September 17, 2013
    Publication date: March 19, 2015
    Applicant: McElroy Manufacturing, Inc.
    Inventors: James R. Perrault, Seth P. Ahrens, Abraham B. Contreras, William Barton Draeger, Fabiano Tavares de Souza
  • Battery, switch and voltage indicator device
    Patent number: D623126
    Type: Grant
    Filed: February 9, 2010
    Date of Patent: September 7, 2010
    Assignee: Continental Industries, Inc.
    Inventor: Abraham B. Contreras