Patents by Inventor WEDITH BOB BISHOP

WEDITH BOB BISHOP 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: 9890621
    Abstract: A two-piece well plunger is provided having an upper sleeve and a lower lance member that engages (e.g., unites) and disengages the upper member. The upper and lower member are sized for receipt within production tubing of a well and are configured to move upwardly in the production tubing when united and to fall separately when disengaged (e.g., separated). The upper sleeve is generally cylindrical and has an central bore. The lower lance member includes a dislodging rod that is sized to extend through central bore of the upper sleeve when the two pieces are united. The lance member and rod seal the central bore when the members are united. An upper end of the rod extends beyond a top end of the sleeve when the members are united and is utilized to disengage the members when the united plunger arrives in a well head.
    Type: Grant
    Filed: October 7, 2015
    Date of Patent: February 13, 2018
    Assignee: PCS FERGUSON, INC.
    Inventor: Wedith Bob Bishop
  • Publication number: 20160097265
    Abstract: A two-piece well plunger is provided having an upper sleeve and a lower lance member that engages (e.g., unites) and disengages the upper member. The upper and lower member are sized for receipt within production tubing of a well and are configured to move upwardly in the production tubing when united and to fall separately when disengaged (e.g., separated). The upper sleeve is generally cylindrical and has an central bore. The lower lance member includes a dislodging rod that is sized to extend through central bore of the upper sleeve when the two pieces are united. The lance member and rod seal the central bore when the members are united. An upper end of the rod extends beyond a top end of the sleeve when the members are united and is utilized to disengage the members when the united plunger arrives in, a well head.
    Type: Application
    Filed: October 7, 2015
    Publication date: April 7, 2016
    Applicant: PCS FERGUSON, INC.
    Inventor: WEDITH BOB BISHOP