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"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."
Dr. Alfred Velpeau, French surgeon ; 1839
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| Number | Title | Issue Date |
| 7398823 | Selective electromagnetic production tool A method for resistively heating a subterranean region to lower the viscosity of heavy oil by using production tubing coupled to at least two electrodes modified for three-phase flow and an electrically insulating body. ... | 07/15/2008 |
| 7300228 | Method and apparatus for preventing dock or structure piling uplift A piling anti-lift system utilizes a heat trace cable secured around a piling and extending above and below the water level of the surrounding water. An annular space is formed between the piling anti-lift system. The heated piling anti-lift system prevents the wate... | 11/27/2007 |
| 6315497 | Joint for applying current across a pipe-in-pipe system A heated flowline electrical isolation joint is disclosed for introducing current into a pipe-in-pipe system having an outer and an inner pipe. A hub presents a load flange having tension and compression load shoulders on its terminal end and connects to ... | 11/13/2001 |
| 6258170 | Vaporization and deposition apparatus The invention relates to an apparatus and process for the vaporization of liquid precursors and deposition of a film on a suitable substrate. Particularly contemplated is an apparatus and process for the deposition of a metal-oxide film, such as a barium,... | 07/10/2001 |
| 6142707 | Direct electric pipeline heating A system for direct electric heating of a subsea pipeline is disclosed in the form of a pipe-in-pipe flowline having an electrically conductive outer carrier pipe and an electrically conductive inner pipe or flowline arranged longitudinally, substantially... | 11/07/2000 |
| 5882416 | Liquid delivery system, heater apparatus for liquid delivery system, and vaporizer A liquid delivery system for delivery of an initially liquid reagent in vaporized form to a chemical vapor deposition reactor arranged in vapor-receiving relationship to the liquid delivery system. The liquid delivery system includes: (a) an elongate vapo... | 03/16/1999 |
| 5211223 | Down hole oil well heater employing electro-thermal paper A down-hole oil well heater for improved recovery of oil includes a heating element comprising a sheet of electrically conductive paper which generates heat as a result of resistance to current flow therethrough and spaced apart, primary conductor element... | 05/18/1993 |
| 4495990 | Apparatus for passing electrical current through an underground formation An apparatus for passing electrical current from a D.C. power source through an underground formation in the extraction of carbonaceous fluids from beneath the earth's surface comprises an anode and a cathode remote from the anode. The anode is comprised ... | 01/29/1985 |
