1
Madhavan Pisharodi: Spinal implantation methods utilizing a middle expandable implant. Vaden Eickenroht Thompson Boulware & Feather, February 21, 1995: US05390683 (656 worldwide citation)

Artificial disk implant and methods for implanting same, the implant having a member (32, 34, 36, 77, 92, 94) for adapting in size and shape to the anatomical space between vertebrae, and apparatus (25, 42, 60, 112) for expanding the implant in the middle portion thereof to conform to the space. In ...


2
Madhavan Pisharodi: Middle expandable intervertebral disk implants. Vaden Eickenroht Thompson Boulware & Feather, December 15, 1992: US05171278 (571 worldwide citation)

Artificial disk implant and methods for implanting it, the implant having a member for adapting in size and shape to an anatomical space between vertebrae and apparatus for expanding the member to conform to the space.


3
Paul R Corder: Instructional system and method for improving communication skills. Vaden Eickenroht Thompson Boulware & Feather, April 12, 1994: US05302132 (238 worldwide citation)

Method and system for reducing illiteracy of individuals accompanied by improvements in functionality utilizing computer technology to integrate multi-sensory stimuli for synthesis of individualized instruction, evaluation, and prescription for advancement of communications skills. The method is emp ...


4
Arthur R Dennis: GPS and satelite navigation system. Vaden Eickenroht Thompson Boulware & Feather, November 15, 1994: US05365447 (121 worldwide citation)

A satellite-based navigation system providing improved accuracy and reliability over wide geographical areas, including remote regions, is disclosed. Ranging-type signals transmitted through two or more commercial geostationary telecommunication satellites are received at known reference locations w ...


5
Paul R Corder: Instructional system for improving communication skills. Vaden Eickenroht Thompson Boulware & Feather, February 7, 1995: US05387104 (113 worldwide citation)

Method and system for reducing illiteracy of individuals accompanied by improvements in functionality utilizing computer technology to integrate multi-sensory stimuli for synthesis of individualized instruction, evaluation, and prescription for advancement of communications skills. The method is emp ...


6
Malcolm G Coone, Frank Cole: Cementing apparatus. Davis Lynch, Vaden Eickenroht Thompson Boulware & Feather, August 10, 1993: US05234052 (111 worldwide citation)

There is disclosed an assembly of parts for use in cementing a casing string in a well bore comprising a float collar connectible as part of the string, a cement plug lowerable onto the collar, and a wiper plug lowerable onto the cement plug, the lower end of the cement plug having threads for limit ...


7
Neil H Akkerman: Fail safe valve actuator. AVA International Corporation, Vaden Eickenroht Thompson Boulware & Feather, March 23, 1993: US05195721 (72 worldwide citation)

A fail safe valve actuator is disclosed that is powered by an electric motor. A valve stem with a helical groove is moved in one direction by a ball nut rotated by the electric motor to move a valve member to its operating position. The valve member is held in operating position by a solenoid. When ...


8
Gerald E Wilson: Method of horizontal drilling. Prideco, Vaden Eickenroht Thompson Boulware & Feather, November 24, 1992: US05165491 (71 worldwide citation)

A method is disclosed for drilling a well bore having a vertical portion, a curved kick-off portion, and a horizontal portion. The length of the horizontal portion is extended by using drill pipe having an aluminum tube and steel tool joints to reduce the weight of the pipe string in the horizontal ...


9
Bruce J Watkins, Blake T DeBerry: Subsea wellhead apparatus. Dril Quip, Vaden Eickenroht Thompson Boulware & Feather, September 1, 1992: US05143158 (69 worldwide citation)

There is disclosed subsea wellhead apparatus which includes a tubing hanger supported within the bore of a wellhead housing and having a passageway through it connecting the annulus between the casing and tubing strings suspended from the hangers with the bore of the housing above the tubing hanger. ...


10
Kenneth D Young, Kenneth W Colvin, Joseph L Frederick: Position instrumented blowout preventer. Hydril Company, Vaden Eickenroht Thompson Boulware & Feather, June 14, 1994: US05320325 (69 worldwide citation)

A ram of a ram-type blowout preventer is enclosed within an enclosure so that the piston driving the ram is placed parallel to a stationary magnetizable waveguide tube. A transverse ring-like magnet assembly surrounds the tube and is attached to a carrier that, in turn, is attached to the tail of th ...