1
David Malone, Mike Johnson: Logging while drilling tools, systems, and methods capable of transmitting data at a plurality of different frequencies. Schlumberger Technology Corporation, John J Ryberg, David P Gordon, Wayne I Kanak, December 20, 1994: US05375098 (78 worldwide citation)

A LWD tool is disclosed comprising, a stator, a rotor which rotates relative to the stator thereby effecting a signal in the borehole fluid flowing therethrough, a brushless DC motor coupled to the rotor for driving the rotor, a position sensor coupled to the motor for sensing the rotational positio ...


2
David Malone: Sinusoidal pressure pulse generator for measurement while drilling tool. Anadrill, Stephen L Borst, July 11, 1989: US04847815 (61 worldwide citation)

A pressure pulse generator which generates relatively sinusoidal pressure pulses in a fluid flowing in a borehole is disclosed. The pressure pulse generator for a MWD tool broadly comprises: a housing adapted to be connected in a tubing string so that fluid flowing in the string will at least partia ...


3
David Malone: Logging while drilling tools utilizing magnetic positioner assisted phase shifts. Schlumberger Technology Corporation, David P Gordon, Wayne I Kanak, John J Ryberg, August 17, 1993: US05237540 (57 worldwide citation)

A LWD tool is disclosed comprising, an encoder for generating a signal in the borehole fluid flowing therethrough, a brushless DC motor coupled to the encoder, a position sensor coupled to the motor for sensing the rotational position thereof, motor drive electronics coupled to motor for driving the ...


4
Phillip K Jones, David Malone: Methods and apparatus for preventing jamming of encoder of logging while drilling tool. Schlumberger Technology Corporation, David P Gordon, Wayne I Kanak, John J Ryberg, September 28, 1993: US05249161 (49 worldwide citation)

Methods and apparatus for determining whether an encoder of a borehole tool is jammed are disclosed. The borehole tool has a motor with a drive shaft which is coupled to and drives an encoder, a position sensor coupled to the motor for sensing the position of the motor, and a microprocessor coupled ...


5
Alexandre Kosmala, David Malone, Peter Masak: Mud pump noise cancellation system and method. Anadrill, David P Gordon, John J Ryberg, September 8, 1992: US05146433 (40 worldwide citation)

Methods for recovering a LWD or MWD data signal in the presence of mud pump noise are provided and generally comprise calibrating the drilling mud pressure as a function of the mud pump piston position, and then tracking the piston position during transmission of the LWD or MWD data signal and using ...


6
David Malone: Game simulation interface apparatus and method. Shaffer & Culbertson, December 14, 1993: US05269519 (29 worldwide citation)

A game simulation interface having a viewing device for viewing a prerecorded video game connected with a video playing device for playing the prerecorded video game to be viewed. An analyzer is used for obtaining data from a user's actual movement of a sports racquet, such as a golf club. The analy ...


7
Joseph Pospisil, David Malone: Core terminal for motion-transmitting remote control assembly. Teleflex, Howard & Howard, November 5, 1996: US05570611 (16 worldwide citation)

A motion-transmitting remote control assembly of the type for transmitting motion along a curved path by a flexible motion-transmitting core element (12) movably supported in a conduit (14) with a slug (20) secured to a first end of the core element and a terminal for transferring forces between the ...


8
David Malone, Timothy Cahill, Gabrielle Stafford, John Fortune, Michael Coughlan: Messaging system. Twelve Horses Technology, Lewis and Roca, September 16, 2008: US07426533 (10 worldwide citation)

A messaging system (1) comprises a server which registers (2) clients (users) and stores uploaded contact data in contacts databases (11). The contact databases have meta data including profile attributes indicating the subject matter profiles of the contacts. A content manager (25) receives content ...


9
David Malone: Serviceable core adjust. Teleflex Incorporated, Howard & Howard, April 17, 2001: US06216555 (7 worldwide citation)

A motion transmitting remote control assembly for transmitting motion in a curved path comprising a flexible motion transmitting core element (


10
David Malone: Universal core terminal. Teleflex Incorporated, Howard & Howard, November 4, 1997: US05682798 (7 worldwide citation)

A terminal (24) on the end of the core element for attachment to a ball stud (26) and having a top (28) and bottom (30) and a hole extending between the top (28) and the bottom (30) for receiving the ball stud (26). The terminal (24) is characterized by three top fingers (32) disposed in the hole fo ...