John I Shipp, Robert L Lathrop Jr, Robert L Lathrop III, Donald R Reichel, Robert J Hayes: Method of ligating a vessel or duct. Apollo Camera, Lucian Wayne Beavers Waddey & Patterson, November 30, 1999: US05993465 (236 worldwide citation)

The clip applier of the current invention solves the problems of prior art tools by incorporating a pre-clamp mechanism, the function of which is to pre-clamp the vessel to be ligated to a dimension such that the center leg of the spring of the ligation clip need be lifted only slightly. In this man ...

Gerald C Kierbow, Harvard L Tomlinson, Herbert J Horinek, Stephen F Crain: Controlled additive metering system. Halliburton Company, John H Tregoning, Joseph A Walkowski, Lucian Wayne Beavers, May 5, 1981: US04265266 (127 worldwide citation)

A transportable frame includes a plurality of liquid material storage tanks and dry material storage bins mounted thereon. There are smaller liquid material storage tanks and larger liquid material storage tanks. The metering system for the larger liquid material storage tanks has a flow rate range ...

Roger L Schultz, William L Bohan: Downhole fluid property measurement tool. Halliburton Company, Tracy W Druce, Lucian Wayne Beavers, July 19, 1994: US05329811 (123 worldwide citation)

Apparatus and methods are provided for measuring a parameter of a hydrocarbon-bearing well fluid sample while the sample is still in place in the well and at downhole pressure and temperature conditions. A tool is lowered into the well to a downhole location. A well fluid sample is trapped in the to ...

John I Shipp: Surgical ligation clip with increased ligating force. Lucian Wayne Beavers, Waddey & Patterson, September 18, 2001: US06290575 (113 worldwide citation)

A process is provided for surface treatment of surgical operating instruments so as to provide an extremely effective gripping surface of the instrument which very effectively grips a patient's tissue. Particularly the process is applicable to surgical ligation clips and clip appliers, which ar ...

Ronald E Savage: Setting tool. Halliburton Company, John H Tregoning, James R Duzan, Lucian Wayne Beavers, March 3, 1981: US04253521 (110 worldwide citation)

The present invention provides a setting tool having a tubular sleeve assembly. An upper mandrel is disposed within said sleeve assembly and interconnected therewith by a rotational screw jack means. A lower mandrel is connected to the upper mandrel by a load transfer device for governing a maximum ...

Roger L Schultz: Surface control of well annulus pressure. Halliburton Company, Tracy W Druce, Lucian Wayne Beavers, December 28, 1993: US05273112 (85 worldwide citation)

An annulus pressure control system is provided for controlling annulus pressure in a well to send remote command signals to a downhole tool in the well. The well has associated therewith a high pressure source and a low pressure dump zone. The system includes at least one control valve having an inl ...

Jeffrey W Willis, Paul Berner, Guillermo Pont, Joel Wacknov: Integrated turbine power generation system with catalytic reactor. Capstone Turbine Corporation, Waddey & Patterson P C, Lucian Wayne Beavers, November 1, 2005: US06960840 (81 worldwide citation)

The invention provides integrated turbogenerators having a turbine wheel, a compressor impeller, and a motor generator mounted to or mechanically constrained to a common shaft, and improved components and configurations thereof.

Henry E Juszkiewicz, Thomas L Sherman, Richard A Frantz, Jason S Flaks: Universal audio communications and control system and method. Gibson Guitar, Lucian Wayne Beavers, Waddey & Patterson, March 5, 2002: US06353169 (79 worldwide citation)

An audio communications and control system includes a plurality of audio devices each of which includes a device interface module for communication of digital audio data and control data from at least one of the devices to at least one other of the devices. A universal data link is operatively conne ...

Gerald C Kierbow, Herbert J Horinek: Additive material metering system with weighing means. Halliburton Company, Lucian Wayne Beavers, Joseph A Walkowski, Thomas R Weaver, January 24, 1984: US04427133 (76 worldwide citation)

An additive material storage and metering system includes a transportable frame having a plurality of dry material storage bins mounted thereon. The plurality of dry material storage bins includes smaller dry material storage bins and larger dry material storage bins. The metering system for the lar ...

Harold K Beck: Ball operated J-slot. Halliburton Services, John H Tregoning, James R Duzan, Lucian Wayne Beavers, October 26, 1982: US04355685 (75 worldwide citation)

A downhole tool includes inner and outer telescoping cylindrical members. The inner cylindrical member has a cylindrical indexing sleeve disposed thereabout. A groove having a semi-circular cross section is disposed in a cylindrical outer surface of the indexing sleeve. Connected to the outer cylind ...