Brett W Bouldin, Steven C Owens, Dave E Rothers, Kevin R Jones: Method and apparatus for providing controlled force transference to a wellbore tool. Felsman Bradley Gunter & Dillon, September 6, 1994: US05343963 (169 worldwide citation)

Method and apparatus for actuating one or more downhole well tools carried by a production or workstring conduit having an imperforate wall and for blocking fluid communication between an activating fluid body and a second fluid source within said well across dynamic seals between actuating members ...

Catherine L Barnaby, Richard J Gammack, Anthony I Stansfield: Cam with additional row cells connected to match line. SGS Thomson Microelectronics, Felsman Bradley Gunter & Dillon, February 13, 1996: US05491703 (142 worldwide citation)

A method of accessing a content addressable memory having a plurality of RAM cells connected in an array of rows and columns, each row having a plurality of cells for storing a data word, at least one additional cell for storing a checking bit and a match line for providing a signal to indicate when ...

Anthony I Stansfield: Programmable logic device with memory that can store routing data of logic data. SGS Thomson Microelectronics, Felsman Bradley Gunter & Dillon, December 5, 1995: US05473267 (141 worldwide citation)

A programmable logic device is disclosed which can be used either as a look-up table logic device or as a logic function generator. This enables combinations to be provided such as the combination of a look-up table with a fixed gate field programmable gate array.

John A O Donnell, Richard W Wilson: Method of manufacturing a wellbore tubular member by shrink fitting telescoping members. Baker Hughes Incorporated, Felsman Bradley Gunter & Dillon, May 10, 1994: US05309621 (91 worldwide citation)

A method is provided for securing a wellbore tool assembly to a wellbore tubular member, which includes a number of method steps. The wellbore tubular member is provided, and defines a surface with a substantially cylindrical shape having a selected tubular diameter. A wellbore tool assembly is like ...

Stephen E Morrow, Karl F Osterlund, Lawrence E Rosen, Philippe Thirion: Digital modem. Felsman Bradley Gunter & Dillon, July 16, 1991: US05033062 (88 worldwide citation)

A digital modem is connected to a CBX in a network. Data is transmitted to the digital modem in a data field of synchronous serial data frames. The digital modem converts the data into a digital signal corresponding to a time sampled analog signal representing the data. The converted digital signal ...

Anil Kumar, Larry P Pelty: High-strength tungsten carbide material for use in earth-boring bits. Baker Hughes Incorporated, Felsman Bradley Gunter & Dillon, January 25, 1994: US05281260 (87 worldwide citation)

A sintered hard metal compact for use in earth-boring bits comprises 80 to 94% by weight tungsten carbide particles, 5.4 to 18% by weight cobalt particles and 0.6 to 2.0% by weight nickel particles wherein the ratio of cobalt to nickel is approximately 9:1 by weight. These materials are formed accor ...

Robert E Grimes, Danny E Scott: Rolling cone bit with shear cutting gage. Baker Hughes Incorporated, Felsman Bradley Gunter & Dillon, February 22, 1994: US05287936 (77 worldwide citation)

A cutter of an earth-boring bit is provided with hard gage inserts that protrude from the gage surface of the cutter to engage the side of the borehole for holding gage. The gage insert has a substantially flat face with sharp cutting edges formed thereon and has cutting surfaces that define a negat ...

Martin P Coronado, Michael J Loughlin, Luis E Mendez, Rustom K Mody: Fluid-actuated wellbore tool system. Baker Hughes Incorporated, Melvin A Felsman Bradley Gunter & Dillon Hunn, November 26, 1996: US05577560 (63 worldwide citation)

A wireline tool string is provided which includes a wireline conveyable fluid-pressurization device, an equalizing apparatus, a pressure extending device, a pull-release apparatus, and a fluid-pressure actuable wellbore tool. The wireline tool string may be utilized to lower the fluid-pressure actua ...

Danny E Scott, Stephen R Jurewicz: Rotary rock bit with improved diamond-filled compacts. Baker Hughes Incorporated, Felsman Bradley Gunter & Dillon, September 28, 1993: US05248006 (63 worldwide citation)

In an improved earth boring bit of the type having one or more rotable cones secured to bearing shafts, an improved cutting structure having diamond filled compacts used as a wear resistant inserts. The improved compacts have hard metal jackets and integrally formed diamond cores. The improved compa ...

Troy Dale Larsen, Jack Chris Randolph, Andrew Henry Wottreng: Method and system for performance per-thread monitoring in a multithreaded processor. International Business Machines Corporation, Felsman Bradley Gunter & Dillon, November 10, 1998: US05835705 (57 worldwide citation)

A method and system for performance monitoring within a multithreaded processor are provided. The system includes a processor responsive to instructions within first and second threads and a performance monitor that separately records a first event generated by the processor in response to the first ...