Patents by Inventor Douglas K. Cornett

Douglas K. Cornett 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).

  • Device and method for loading pellets
    Patent number: 11103842
    Abstract: A device and method for loading pellets. A funnel includes a means for loading pellets into a reactor tube, and a means for quickly and easily measuring the elevation of pellets in the reactor tube while the reactor tube is being loaded. A vacuum-assist device may be used to pick up and transfer a desired volume of porous pellets while removing dust from the porous pellets.
    Type: Grant
    Filed: June 7, 2020
    Date of Patent: August 31, 2021
    Assignee: Tubemaster, Inc.
    Inventors: Douglas K Cornett, Clifford L Johns
  • Device and Method for Loading Pellets
    Publication number: 20200353433
    Abstract: A device and method for loading pellets. A funnel includes a means for loading pellets into a reactor tube, and a means for quickly and easily measuring the elevation of pellets in the reactor tube while the reactor tube is being loaded. A vacuum-assist device may be used to pick up and transfer a desired volume of porous pellets while removing dust from the porous pellets.
    Type: Application
    Filed: June 7, 2020
    Publication date: November 12, 2020
    Applicant: Tubemaster, Inc.
    Inventors: Douglas K Cornett, Clifford L Johns
  • Device and method for loading pellets
    Patent number: 10710039
    Abstract: A device and method for loading pellets. A funnel includes a means for loading pellets into a reactor tube, and a means for quickly and easily measuring the elevation of pellets in the reactor tube while the reactor tube is being loaded. A vacuum-assist device may be used to pick up and transfer a desired volume of porous pellets while removing dust from the porous pellets.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: July 14, 2020
    Assignee: Tubemaster, Inc.
    Inventors: Douglas K Cornett, Clifford L Johns
  • Device and Method for Loading Pellets
    Publication number: 20180141016
    Abstract: A device and method for loading pellets. A funnel includes a means for loading pellets into a reactor tube, and a means for quickly and easily measuring the elevation of pellets in the reactor tube while the reactor tube is being loaded. A vacuum-assist device may be used to pick up and transfer a desired volume of porous pellets while removing dust from the porous pellets.
    Type: Application
    Filed: November 16, 2017
    Publication date: May 24, 2018
    Applicant: Tubemaster, Inc.
    Inventors: Douglas K. Cornett, Clifford L. Johns
  • Device for unloading catalyst from a reactor vessel
    Patent number: 9138710
    Abstract: A device and method for automatic unloading of particles from the vertical tubes of a chemical reactor automatically feeds a fish tape into the bottom of the vertical tube to contact and dislodge the particles and automatically retracts the fish tape to allow the particles to fall out of the tube.
    Type: Grant
    Filed: March 5, 2012
    Date of Patent: September 22, 2015
    Assignee: Extundo Incorporated
    Inventors: Clifford L. Johns, Dennis McAndrews, Munaf Chasmawala, Douglas K. Cornett, Matthew Laughlin
  • Carrying case conversion to desk
    Patent number: 8752912
    Abstract: A method for converting a watertight carrying case into a desk that includes mounting a bracket onto rearward projections from the case for permitting the case to serve as a desk without compromising its watertightness.
    Type: Grant
    Filed: March 5, 2012
    Date of Patent: June 17, 2014
    Assignee: Extundo Incorporated
    Inventors: Clifford L. Johns, Munaf Chasmawala, Dennis McAndrews, Matthew Laughlin, Douglas K. Cornett
  • Method for marking tubes in a shell and tube heat exchanger
    Patent number: 8752291
    Abstract: A method for marking a specific tube in a shell and tube heat exchanger includes inserting a marker into a second tube adjacent to the tube to be marked and directing a directional pointer on the marker toward the tube to be marked.
    Type: Grant
    Filed: May 31, 2011
    Date of Patent: June 17, 2014
    Assignee: Extundo Incorporated
    Inventors: Clifford L. Johns, Guillermo Camoriano, Bart Nuss, Dennis McAndrews, Munaf N. Chasmawala, Matthew Laughlin, Douglas K. Cornett
  • Loading arrangement including a dam for confining catalyst and other particles on the top tubesheet of a chemical reactor
    Patent number: 8562270
    Abstract: A dam arrangement is provided for confining catalyst and other particles. The dam can be arranged in a wide variety of configurations. In one embodiment, blocks are provided that are releasably secured to the top tubesheet by means of magnets, and sheets are secured to the blocks to create a dam. In another embodiment, the blocks are releasably secured to the tubesheet by fasteners which project into the tops of some of the tubes and then lock into those tubes.
    Type: Grant
    Filed: September 17, 2010
    Date of Patent: October 22, 2013
    Assignee: Extundo Incorporated
    Inventors: Clifford L. Johns, Dennis McAndrews, Douglas K. Cornett
  • DEVICE FOR UNLOADING CATALYST FROM A REACTOR VESSEL
    Publication number: 20120237412
    Abstract: A device and method for automatic unloading of particles from the vertical tubes of a chemical reactor automatically feeds a fish tape into the bottom of the vertical tube to contact and dislodge the particles and automatically retracts the fish tape to allow the particles to fall out of the tube.
    Type: Application
    Filed: March 5, 2012
    Publication date: September 20, 2012
    Applicant: Extundo Incorporated
    Inventors: Clifford L. Johns, Dennis McAndrews, Munaf Chasmawala, Douglas K. Cornett, Matthew Laughlin
  • METHOD FOR MARKING TUBES IN A SHELL AND TUBE HEAT EXCHANGER
    Publication number: 20120137517
    Abstract: A method for marking a specific tube in a shell and tube heat exchanger includes inserting a marker into a second tube adjacent to the tube to be marked and directing a directional pointer on the marker toward the tube to be marked.
    Type: Application
    Filed: May 31, 2011
    Publication date: June 7, 2012
    Applicant: Tubemaster, Inc.
    Inventors: Clifford L. Johns, Guillermo Camoriano, Bart Nuss, Dennis McAndrews, Munaf N. Chasmawala, Matthew Laughlin, Douglas K. Cornett