1
James W Anderson: Combination mill and drill bit. Baker Hughes Incorporated, Gerald W Spinks, October 17, 2000: US06131675 (175 worldwide citation)

A combination milling and drilling bit which can be converted from a first type of cutting operation to a second type of cutting operation by hydraulically moving a plurality of movable blades to extend beyond a plurality of fixed blades. The fixed blades are dressed with cutting inserts suitable fo ...


2
John D Dobak III: Selective organ hypothermia method and apparatus. Del Mar Medical Technologies, Gerald W Spinks, September 28, 1999: US05957963 (169 worldwide citation)

A method and apparatus for performing hypothermia of a selected organ without significant effect on surrounding organs or other tissues. A flexible catheter is inserted through the vascular system of a patient to place the distal tip of the catheter in an artery feeding the selected organ. A compres ...


3
Danny Eugene Scott, Jack Thomas Oldham, Gerald D Lynde, Greg Nazzal, Roy E Swanson, Brad Randall, James W Anderson: Combination milling tool and drill bit. Baker Hughes Incorporated, Gerald W Spinks, November 9, 1999: US05979571 (147 worldwide citation)

A combination metal milling and earth drilling tool, for use in performing a single trip kickoff from a casing in a well bore. The combination milling and drilling tool has a first, relatively more durable cutting structure, such as tungsten carbide, and a second, relatively harder cutting structure ...


4
John D Dobak III, Juan C Lasheras: Selective organ cooling catheter and method of using the same. Innercool Therapies, Gerald W Spinks, August 1, 2000: US06096068 (140 worldwide citation)

A heat transfer device has first and second elongated, articulated segments, each having a turbulence-inducing exterior surface. A flexible joint connects the first and second elongated, articulated segments. An inner coaxial lumen is disposed within the first and second elongated, articulated segme ...


5
Paul S Teirstein: Body passageway closure apparatus and method of use. Gerald W Spinks, March 19, 1996: US05499995 (140 worldwide citation)

A method and apparatus for blocking a body passageway by inserting an expandable frame into the passageway and expanding the frame with an expandable balloon to partially embed the frame in the walls of the passageway. The frame can carry a separate sealing membrane, or the balloon can function as t ...


6
Per Erik Berger, Nils Reimers, Don Thornton Macune: Formation isolation and testing apparatus and method. Baker Hughes Incorporated, Gerald W Spinks, September 8, 1998: US05803186 (131 worldwide citation)

An apparatus and method are disclosed for obtaining samples of pristine formation fluid, using a work string designed for performing other downhole work such as drilling, workover operations, or re-entry operations. An extendable element extends against the formation wall to obtain the pristine flui ...


7
Paul S Teirstein: Irradiation catheter and method of use. Gerald W Spinks, July 30, 1996: US05540659 (130 worldwide citation)

A catheter for use with a radioactive source within the catheter to irradiate a selected area of a blood vessel in combination with angioplasty procedures, to prevent restenosis of that area of the blood vessel. The catheter has a guidewire channel formed near its distal end to facilitate use of the ...


8
John D Dobak III: Insulated catheter for selective organ perfusion. Innercool Therapies, Gerald W Spinks, March 28, 2000: US06042559 (123 worldwide citation)

A method and apparatus for performing hypothermia of a selected organ without significant effect on surrounding organs or other tissues, by perfusion of the organ with blood cooled externally from the body of the patient. A flexible supply catheter is inserted percutaneously into an artery. Blood fr ...


9
John D Dobak III: Cryosurgical probe and method for uterine ablation. CryoGen, Gerald W Spinks, February 6, 2001: US06182666 (120 worldwide citation)

A cryosurgical probe incorporating various forms of auxiliary instrumentation mounted on the catheter or conductive tip, such as a temperature sensor, a heater, an ultrasonic transducer, or an optical element of a viewing, illumination, or laser system, and a method for employing such a probe for ab ...


10
Per Erik Berger, Don Thornton Macune: Modified formation testing apparatus and method. Baker Hughes Incorporated, Gerald W Spinks, December 5, 2000: US06157893 (120 worldwide citation)

An apparatus and method for obtaining samples of pristine formation or formation fluid, using a work string designed for performing other downhole work such as drilling, workover operations, or re-entry operations. An extendable element extends against the formation wall to obtain the pristine forma ...