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| Number | Title | Issue Date |
| 7435373 | Apparatus and method for thermal de-burring of slotted well liners A method and apparatus for removing burrs from inside slotted metal liners exposes the burrs to a high-intensity gas flame that effectively oxidizes or incinerates the burrs, without inducing undesirable temperature levels in the parent metal of the slotted liner. T... | 10/14/2008 |
| 7347130 | Apparatus and method for cutting spinal implants An apparatus and method for cutting spinal implants to a desired length is disclosed. The spinal implant is supported on a mandrel that rotates while a cutting blade cuts the spinal implant. The apparatus and method accurately size and cut spinal implants to the des... | 03/25/2008 |
| 7251902 | Pipe guide A pipe guide includes a pipe receiving body comprising two sections. The two sections are joined by a hinge to allow the pipe-receiving body to be opened and closed about a pipe. The pipe-receiving body circumferentially surrounds a pipe in a closed position. The pi... | 08/07/2007 |
| 7068945 | Optical amplifying and repeating method and optical amplifying and repeating system A method includes taking backscattering light of a first wavelength in a first direction of a first transmission line and coupling the same so that the light may travel in a second direction of a second transmission line; taking a second wavelength in the first dire... | 06/27/2006 |
| 7063814 | Accelerated steel cutting methods and machines for implementing such methods A method for cutting steel includes heating a portion of the steel until it is molten, positioning a cutting torch to have a high angle of incidence relative to the molten steel, and blasting high pressure oxygen at the molten metal. The blast of high pressure oxyge... | 06/20/2006 |
| 6203629 | Process for cutting coked metal molded parts A process for cutting coked metal includes cutting with a flame or by electrowelding after the coked metal has been heated sufficiently to relieve stresses in the metal.... | 03/20/2001 |
| 5160549 | Tube fin trimming machine and method for use A tube fin trimming machine adapted for clamping and cutting elongated finned structures, such as finned tubes. The trimming machine includes an elongated main frame having at least one guideway, support means attached to the baseplate and adapted for sup... | 11/03/1992 |
| 4747886 | Tube fin removal robot A robot drive for cutting fins having pipes extending on opposite sides therefrom, with the pipes laying in parallel spaced apart rows, comprises a carriage which can move in the longitudinal direction between rows of the pipes. A pair of driven guide rol... | 05/31/1988 |
| 4618378 | Pipe cutting templet A templet for cutting patterns in pipe with a torch includes a tube that is axially split into hemicylindrical segments. The segments are biased together in alignment with a coil spring. The segments are spread apart by squeezing attached handles together... | 10/21/1986 |
| 4483721 | Method and apparatus for cutting patterns through pipe A method and apparatus for cutting a series of patterns spaced along the length of a tubular member (e.g. drill collar). A cutting torch is positioned and manuevered within the bore of the pipe so that all cutting is done in an inside-to-outside direction... | 11/20/1984 |
| 4414041 | Guide system for flame cutting of pipe A guide system for a gas cutting torch used to bevel the ends of pipe in preparation for welding includes a circular sleeve with integral spacer bars coacting with a radial screw for fixing the circular sleeve coaxially around a pipe to be bevelled; the s... | 11/08/1983 |
| 4405384 | Method and apparatus for salvaging large pipe elbows An apparatus is disclosed for re-claiming used or damaged tube turns and rendering them equivalent to new tube turns with correctly oriented openings. A salvaged tube turn is temporarily fixed to a platform in a position such that the longitudinal axis of... | 09/20/1983 |
| 4347077 | Process for producing magnesium alloys Process for producing a magnesium alloy which comprises: reducing magnesium oxide with a carbonaceous substance at high temperatures; rapidly cooling the resultant reaction product in an inert atmosphere to obtain powder magnesium; mixing the reaction product ... | 08/31/1982 |
| 4222795 | Pipe cutting apparatus and method Apparatus for cutting and beveling pipe comprising a horizontally positioned and movable member, roller means to support and axially rotate a horizontal pipe parallel to the member, a photocell scanner mounted on the member and positioned to follow a prof... | 09/16/1980 |
| 4219370 | Apparatus and method for cutting and beveling pipe ends Apparatus for cutting a pipe end for intersection with another surface comprising a horizontally positioned and movable boom, roller means to support and axially rotate a horizontal pipe parallel to the boom, a photocell scanner mounted on the boom and po... | 08/26/1980 |
| 4137101 | Apparatus and method for removing tires from wheels To remove a solid tire from a wheel over which that tire has been pressed, a transverse groove is cut in the tread of the tire with a cutting apparatus so as to expose the underlying rim. Then the exposed portion of the rim is cut with a flame that is pas... | 01/30/1979 |
| 4018629 | Apparatus and method for guiding a cutting torch Apparatus is disclosed for guiding a metal cutting torch to enable the flame thereof to cut a controlled thickness of metal material from the length of the outer surface of a elongated hollow cylindrical workpiece mounted securely to a shaft extending the... | 04/19/1977 |
