Patents by Inventor Greg J. Drzewiecki

Greg J. Drzewiecki 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).

  • Automated pig launching system
    Patent number: 11028958
    Abstract: A pigging system has an apparatus for launching one or more pigs into a process flow. The apparatus has a housing with a chamber, an inlet, and an outlet. The inlet receives the one or more pigs into the chamber and is sealable. The outlet is in sealed communication with the process flow and passes the one or more pigs out of the chamber to the process flow. A portion of the chamber is in communication with the process flow. A guide disposed in the chamber guides the one or more pigs in the chamber, and an actuator mechanically feeds the one or more pigs guided by the guide to the outlet.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: June 8, 2021
    Assignee: WeldFit Corporation
    Inventors: Russ C. Sander, David D. Wint, Todd K. Sale, Roxy R. Riggs, Douglas A. Sahm, Greg J. Drzewiecki
  • Automated Pig Launching System
    Publication number: 20180306373
    Abstract: A pigging system has an apparatus for launching one or more pigs into a process flow. The apparatus has a housing with a chamber, an inlet, and an outlet. The inlet receives the one or more pigs into the chamber and is sealable. The outlet is in sealed communication with the process flow and passes the one or more pigs out of the chamber to the process flow. A portion of the chamber is in communication with the process flow. A guide disposed in the chamber guides the one or more pigs in the chamber, and an actuator mechanically feeds the one or more pigs guided by the guide to the outlet.
    Type: Application
    Filed: April 19, 2018
    Publication date: October 25, 2018
    Inventors: Russ C. Sander, David D. Wint, Todd K. Sale, Roxy R. Riggs, Douglas A. Sahm, Greg J. Drzewiecki
  • Automated pig launching system
    Patent number: 9976686
    Abstract: A pigging system has an apparatus for launching one or more pigs into a process flow. The apparatus has a housing with a chamber, an inlet, and an outlet. The inlet receives the one or more pigs into the chamber and is sealable. The outlet is in sealed communication with the process flow and passes the one or more pigs out of the chamber to the process flow. A portion of the chamber is in communication with the process flow. A guide disposed in the chamber guides the one or more pigs in the chamber, and an actuator mechanically feeds the one or more pigs guided by the guide to the outlet.
    Type: Grant
    Filed: December 9, 2015
    Date of Patent: May 22, 2018
    Assignee: WeldFit Corporation
    Inventors: Russ C. Sander, David D. Wint, Todd K. Sale, Roxy R. Riggs, Douglas A. Sahm, Greg J. Drzewiecki
  • Automated Pig Launching System
    Publication number: 20160169436
    Abstract: A pigging system has an apparatus for launching one or more pigs into a process flow. The apparatus has a housing with a chamber, an inlet, and an outlet. The inlet receives the one or more pigs into the chamber and is sealable. The outlet is in sealed communication with the process flow and passes the one or more pigs out of the chamber to the process flow. A portion of the chamber is in communication with the process flow. A guide disposed in the chamber guides the one or more pigs in the chamber, and an actuator mechanically feeds the one or more pigs guided by the guide to the outlet.
    Type: Application
    Filed: December 9, 2015
    Publication date: June 16, 2016
    Inventors: Russ C. Sander, David D. Wint, Todd K. Sale, Roxy R. Riggs, Douglas A. Sahm, Greg J. Drzewiecki