Patents by Inventor Gerald C. Eckmann

Gerald C. Eckmann 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).

  • Packer deflate subassembly for an inflatable packer system
    Patent number: 4345653
    Abstract: An emergency deflation tool intended for use in an inflatable packer system. The mechanism comprises a cylindrical axially extending member adapted to be fixed against axial movement, another hollow cylindrical member surrounding a portion of the length of said member with a vent through the wall thereof, an inflation fluid passageway, and an expendable tension sleeve joining the two members.
    Type: Grant
    Filed: February 15, 1980
    Date of Patent: August 24, 1982
    Assignee: BJ-Hughes Inc.
    Inventors: Randy S. Baker, Gerald C. Eckmann
  • Valve assembly for an inflatable packer system
    Patent number: 4332298
    Abstract: A valve assembly for use in an inflatable packer system comprising an outer valve member, an inner valve member adapted to move axially relative to said outer valve member when weight is set down on and lifted from the system, and a shifting sleeve which is pumped down by inflation fluid with respect to both said inner and outer valve members to establish an inflation fluid passageway.
    Type: Grant
    Filed: February 11, 1980
    Date of Patent: June 1, 1982
    Assignee: BJ-Hughes Inc.
    Inventors: Felix Kuus, Gerald C. Eckmann
  • Check/relief valve for an inflatable packer system
    Patent number: 4316504
    Abstract: A check/relief valve intended for use in an inflatable packer system. The valve comprises a hollow cylindrical longitudinally extending inner member surrounded by a spring loaded relief piston and a spring loaded check valve poppet, all surrounded by a hollow longitudinally extending outer member.
    Type: Grant
    Filed: February 11, 1980
    Date of Patent: February 23, 1982
    Assignee: BJ-Hughes Inc.
    Inventors: Randy S. Baker, Gerald C. Eckmann