Patents by Inventor Alan James Sallwasser

Alan James Sallwasser 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).

  • Wellbore caliper with maximum diameter seeking feature
    Patent number: 9803468
    Abstract: A wellbore caliper includes an actuator housing pivotally connected at one end to a well logging instrument housing and an actuator disposed in the housing and operable to extend and retract laterally extensible measuring arms.
    Type: Grant
    Filed: December 9, 2014
    Date of Patent: October 31, 2017
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventor: Alan James Sallwasser
  • Wellbore Caliper With Maximum Diameter Seeking Feature
    Publication number: 20150143709
    Abstract: A wellbore caliper includes an actuator housing pivotally connected at one end to a well logging instrument housing and an actuator disposed in the housing and operable to extend and retract laterally extensible measuring arms.
    Type: Application
    Filed: December 9, 2014
    Publication date: May 28, 2015
    Inventor: Alan James Sallwasser
  • WELLBORE CALIPER WITH MAXIMUM DIAMETER SEEKING FEATURE
    Publication number: 20140059874
    Abstract: A wellbore caliper includes an actuator housing pivotally connected at one end to a well logging instrument housing and an actuator disposed in the housing and operable to extend and retract laterally extensible measuring arms.
    Type: Application
    Filed: August 29, 2012
    Publication date: March 6, 2014
    Inventor: Alan James Sallwasser