1
Ronald J Brinkerhoff, Rudolph H Nobis, William Fox, Mark S Zeiner, E David Allen, Richard Smith, Jerome Reckelhoff, Philip Churchill: Surgical anastomosis stapling instrument. Ethicon, Paul A Coletti, February 15, 1994: US05285945 (627 worldwide citation)

A surgical stapling instrument for performing a circular anastomosis stapling operation is provided. The surgical instrument includes a stapling head assembly mounted by a curved shaft to an actuator handle assembly and incorporates an improved actuator mechanism for transmitting the required operat ...


2
Ronald J Brinkerhoff, Rudolph H Nobis, Helmut Wolf, Federico Bilotti, William Fox, Mark S Zeiner, E David Allen, Richard Smith, Jerome Reckelhoff, Philip Churchill, Richard Grant, Roger Hildwein, J David Hughett, Clifton Coles, W Thompson Lawrence: Surgical anastomosis stapling instrument. Ethicon, Paul A Coletti, Charles P Boukus, January 4, 1994: US05275322 (276 worldwide citation)

A surgical stapling instrument for performing a circular anastomosis stapling operation is provided. The surgical instrument includes a stapling head assembly mounted by a curved shaft to an actuator handle assembly and incorporates an improved actuator mechanism for transmitting the required operat ...


3
Beth Marcus, W Thompson Lawrence, Philip Churchill: Hand position/measurement control system. Arthur D Little, Schiller Pandiscio & Kusmer, January 22, 1991: US04986280 (80 worldwide citation)

A system is described for sensing the relative angular orientation of two relatively movable joint segments of a living body joined together at a joint. The system comprises at least two links coupled together about a pivot axis so that the links are pivotable relative to one another about the axis ...


4
Andrew Philip Churchill: Downhole bypass valve. Gifford Krass Groh Sprinkle Anderson & Citkowski P C, November 23, 2004: US06820697 (49 worldwide citation)

A fluid flow actuated downhole tool is configurable in at least a first tool configuration and a second tool configuration. The tool comprises a tubular housing and an activating sleeve, the housing being adapted to catch the sleeve when the sleeve is dropped from surface and the engagement of the s ...


5

6
William Philip Churchill Jr: Memory access technique. Data General Corporation, Jacob Frank, April 6, 1976: US03949369 (23 worldwide citation)

In a digital computer system having a main memory operable at a first speed, a high speed buffer operating at a second speed for temporarily storing selected portions of the main memory, an associative memory for temporarily storing selected main memory addresses and comparing the stored addresses w ...


7
Andrew Philip Churchill: Apparatus for transporting skiing equipment. Gifford Krass Groh Sprinkle Patmore Anderson & Citkowski P C, June 17, 1997: US05639122 (4 worldwide citation)

Apparatus for transporting skiing equipment comprises a frame, including a clip for holding a pair of skis, pockets for holding a pair of ski boots relative to the skis, and a skid pad; the frame being adapted for location at one end of the pair of skis.


8
Andrew Philip Churchill: Drifting tubing. Churchill Drilling Tools, Gifford Krass Sprinkle Anderson & Citkowski P C, January 6, 2009: US07472749 (1 worldwide citation)

A method of checking for restrictions in a string of tubing formed of a plurality of tubing sections. The method involves providing a profile in the tubing string, providing a drift member adapted to engage with the profile, passing the drift member through the tubing string, and determining whether ...


9
Andrew Philip Churchill: Downhole apparatus. Churchill Drilling Tools, Dinsmore & Shohl, November 28, 2017: US09828818

Downhole apparatus comprises first and second tools for location in a tubing string. The first tool has a first seat of a first diameter and the second tool has a second seat of a second diameter larger than the first diameter. First and second activating devices are provided for use in activating t ...


10
Andrew Philip Churchill: Drill string check valve. Churchill Drilling Tools, Dinsmore & Shohl, March 20, 2018: US09920583

Drill string check valve apparatus comprises a tubular body and a flapper valve mounted in the body with a flapper movable between an open position and a closed position. An axially extending valve retainer is also mounted in the body and is translatable from a running position to a drilling positio ...