1
Michael C Lockwood, Richard H Dixon, Christopher A Reed, Ronald B Crockett, Kenneth W Jones: Diamond drag bit cutting elements. Smith International, Robert G Upton, January 10, 1995: US05379853 (120 worldwide citation)

A unitized polycrystalline composite diamond stud type drag bit cutter having no high temperature braze of a PDC wafer to a carbide stud is disclosed. The diamond cutting surface may be planar, convex, curved or a truncated cone. The unitized construction of the cutter eliminates the problems associ ...


2
Kenneth W Jones: Diamond bearing for high-speed drag bits. Smith International, Robert G Upton, July 12, 1988: US04756631 (96 worldwide citation)

A bearing for a rotary cone for a rock bit is disclosed. The bearing consists of a multiplicity of small synthetic diamond particles nested within a matrix base, each with an exposed flattened surface to form the bearing. The diamond particles are strategically positioned on a bearing surface and se ...


3
Kenneth W Jones: Rotary drill bit having drag cutting elements. Reed Rock Bit Company, Carl A Rowold, November 26, 1985: US04554986 (84 worldwide citation)

A rotary drill bit comprising a bit body having a plurality of drag cutting elements mounted on the bottom thereof. Each cutting element has a portion projecting down below the bit body and forward generally in the direction of rotation of the bit. This portion presents a leading face and a trailing ...


4
Kenneth W Jones, George Fyfe: Convex shaped diamond cutting elements. Smith International, Robert G Upton, August 22, 1989: US04858707 (81 worldwide citation)

A diamond insert for a rotary drag bit consists of an insert stud body that forms a first base end and a second cutter end. The cutter end of the insert is formed in a convex or spherical shape of polycrystalline diamond material. The convex layer of diamond is oriented relative to an axis of the st ...


5
Stephen T Flannagan, Kenneth W Jones, Roger I Kung: Synchronous memory having parallel output data paths. Motorola, Daniel D Hill, March 28, 1995: US05402389 (77 worldwide citation)

A synchronous memory (20) has parallel data output registers (34) and a dummy path (46). The output data from a memory array (22) is provided to the parallel output registers (34). The output registers (34) provide two parallel, interleaved, output data paths. The data in each path changes every oth ...


6
Ray Chang, Stephen T Flannagan, Kenneth W Jones: Delay locked loop for detecting the phase difference of two signals having different frequencies. Motorola, Daniel D Hill, August 8, 1995: US05440515 (72 worldwide citation)

A delay locked loop (44) includes an arbiter circuit (86), a VCD circuit (85), and a collapse detector (88). The arbiter circuit (86) receives an input signal and provides a retard signal to adjust the amount of propagation delay of VCD circuit (85), in order to synchronize the phases of the input s ...


7
Kenneth W Jones, George Fyfe: Revolving cutters for rock bits. Smith International, Robert G Upton, June 21, 1988: US04751972 (65 worldwide citation)

A mechanism is disclosed for rock bits whereby cutting elements, rotatably mounted to fixtures with journals, are constantly forced to rotate or precess by the interaction of the earth formation and the cutter. The cutters are fixed in skewed or offset positions on a cutting face of a rotary drill b ...


8
Percy W Schumacher Jr, Kenneth W Jones, Henry W Murdoch, Paul E Pastusek: Combination drag and roller cutter drill bit. Reed Rock Bit Company, Carl Rowold, April 24, 1984: US04444281 (58 worldwide citation)

A rotary drill bit comprising a bit body having at least one depending leg at its lower end and at least one roller cutter rotatably mounted on the leg. The roller cutter comprises a frustoconical roller cutter body and a plurality of cutting elements projecting from the cutter body to tips adapted ...


9
Lawrence F Childs, Kenneth W Jones, Stephen T Flannagan, Ray Chang: Pipelined memory having synchronous and asynchronous operating modes. Motorola, Daniel D Hill, January 24, 1995: US05384737 (55 worldwide citation)

A pipelined memory (20) has a synchronous operating mode and an asynchronous operating mode. The memory (20) includes output registers (34) and output enable registers (48) which are used to electrically switch between the asynchronous operating mode and the synchronous operating mode. In addition, ...


10
Richard A Wheelus, Todd D Haverkos, Kenneth W Jones: Integrated circuit memory using fusible links in a scan chain. Motorola, Daniel D Hill, October 14, 1997: US05677917 (44 worldwide citation)

An integrated circuit memory (140) includes programmable fuses (20) coupled to scannable flip-flops (25). The programmable fuses (20) and scannable flip-flops (25) are implemented in a scan chain, and are used to program specific information about the integrated circuit memory (140), such as for exa ...