Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5317998 | Method of monitoring a truck engine and for controlling the temperature of a truck sleeper unit A method of automatically starting and stopping an engine of a truck to conserve fuel while maintaining the engine in a ready-to-start condition, and while controlling the temperature of a truck sleeper unit. The method includes the steps of selecting pre... | 06/07/1994 |
| 5284380 | Furniture comprising laminated slats and methods of manufacturing such furniture Furniture comprises a strong, aesthetically appealing, woven lattice of interlocking slats made of wood laminate having indentations allowing fitting of the slats across one another so as to form a lattice. Advantageously, the furniture is manufactured of... | 02/08/1994 |
| 5243566 | Low noise transducer system An acoustic array of special utility in deep operating antisubmarine torpedoes comprises a plurality of individual transducer elements supported by a back-plate member. An acoustic window made of an elastomeric or plastic material is mounted against the f... | 09/07/1993 |
| 4903392 | Method for removing a metallic plug from a tube by simultaneously heating and stretching the plug A method for removing metallic plugs from conduits such as the heat exchanger tubes in a nuclear steam generator is disclosed herein. In such tubes, plugs formed from a cylindrical shell of Inconel are radially expanded in sealing engagement with the open... | 02/27/1990 |
| 4897858 | Nuclear fuel pellet collating system and method A pellet collating system includes a tray positioning station located adjacent a pellet collating line with a tray transfer robot located therebetween. The tray positioning station has mobile carts lodged thereat, some supporting pellet supply trays and o... | 01/30/1990 |
| 4895694 | Apparatus for aligning nuclear fuel pellets An apparatus for aligning nuclear fuel pellets includes an endless belt for advancing nuclear fuel pellets along a generally linear path in a direction generally coincident with their axes and a stopper element disposed in the linear path for stopping adv... | 01/23/1990 |
| 4894201 | Nuclear fuel pellet surface defect inspection apparatus A modified inspection apparatus for inspecting nuclear fuel pellets for surface defects includes a pellet guide chute assembly extending through an ultrasonic inspection chamber. The guide chute assembly has a support substrate and a pair of elongated pla... | 01/16/1990 |
| 4893022 | Closure for casks containing radioactive materials An improved closure for covering and sealing a radioactive waste cask of the type having an opening circumscribed by a ledge is disclosed herein. The closure generally comprises an inner lid having an outer edge circumscribed by a gasket which is seatable... | 01/09/1990 |
| 4770846 | Replacement support pin for guide tubes in operating plants A support pin system (10) for fastening nuclear reactor guide tube flanges (14) to a nuclear reactor upper core plate (12) includes a support pin (16) having a lower portion (20) frictionally disposed within the upper core plate (12), while an upper secti... | 09/13/1988 |
| 4690172 | Foldable dual-seal nozzle dam A nozzle dam for providing a fluid-tight seal across a primary fluid nozzle in the plenum of a nuclear steam generating vessel includes two fluid-impermeable seals, each comprising a circular three-section foldable seal plate covered with a flexible diaph... | 09/01/1987 |
| 4690593 | Tool for cutting locking cups from guide tube mounting screws in a nuclear reactor A cutting tool is manually operable from above the water level in a reactor cavity pool to sever locking cups from the socket-head cap screws which hold guide tubes to the upper support plate of the upper internals of the reactor. The tool includes a supp... | 09/01/1987 |
| 4683108 | Locking screw apparatus and method for underwater remote replacement An apparatus and method for under water remote replacement of the screws which secure together first and second structures in the internal region of a nuclear reactor core, wherein the screws are received and counterbored screw bores in the first structur... | 07/28/1987 |
| 4683361 | Brazing apparatus having a dual function heating and eddy current probe coil A brazing apparatus and process which utilizes a dual function heating and eddy current probe coil is disclosed herein. The apparatus generally includes a radiant heater assembly having a coil which is capable of both generating radiant heat to effect a b... | 07/28/1987 |
| 4683109 | Debris removal system for a nuclear fuel assembly A system for removing debris from a nuclear fuel assembly includes a work platform disposable on the fuel assembly racks in a spent fuel pol. A support stand is mounted on the work platform and has a sliding support plate movable between a support positio... | 07/28/1987 |
| 4678405 | Low net positive suction head pumps A pump is disclosed for pumping a volatile fluid having a given vapor pressure. The pump of this invention comprises a pump housing comprising an inlet for introducing the liquid at a relatively low static pressure level into the pump housing and an outle... | 07/07/1987 |
| 4676201 | Method and apparatus for removal of residual sludge from a nuclear steam generator A sludge lancing method comprises providing a lancing nozzle and a barrier nozzle for respectively emitting cleaning and barrier streams of fluid along two channels between columns of heat exchange tubes in a nuclear steam generator vessel, the two channe... | 06/30/1987 |
| 4672162 | Electric arc apparatus for severing split-pin assemblies of guide tubes of nuclear reactors In the replacement of old split-pin assemblies of a guide tube of a nuclear reactor by new split-pin assemblies, each old split-pin assembly is severed into readily removable fragments by metal disintegration machining apparatus. This apparatus includes a... | 06/09/1987 |
| 4671326 | Dual seal nozzle dam and alignment means therefor A nozzle dam for providing a fluid-tight seal across a primary fluid nozzle in the plenum of a nuclear steam generating vessel includes two fluid-impermeable seals, each comprising a circular three-section foldable seal plate covered with a flexible diaph... | 06/09/1987 |
| 4668912 | Eddy current inspection probe and method for assembling same An inflatable eddy current inspection probe having a molded central body embedding therein a plurality of eddy current coils and the leads therefore. The central body is expanded at will by introduction of water or air through a pressure hose connected to... | 05/26/1987 |
| 4665866 | Grid-type flow distribution baffle An improved, grid-type flow distribution baffle for both providing lateral support for an array of heat exchange tubes and for generating a sludge-sweeping water current within a steam generator is disclosed herein. Generally, the improved baffle comprise... | 05/19/1987 |
| 4660510 | Model steam generator having a thermosyphon heating means A model steam generator for simulating the environment inside a nuclear steam generator in order to monitor the condition of the heat exchange tubes of the nuclear steam generator is disclosed herein. The model steam generator includes an electrically-pow... | 04/28/1987 |
| 4659896 | Method and apparatus for detecting a braze melt A method and apparatus for both implementing a braze melt and detecting the time, rate and direction of the braze melt along the longitudinal axis of the tube or sleeve being brazed. Generally, the invention comprises a radiant brazing heater having an el... | 04/21/1987 |
| 4658142 | Apparatus for detecting radiation in a container A method for detecting radiation emanating from a container comprising the steps of providing shields which define a sector from which radiation can be detected. A sample from which radiation is believed to be emanating is placed in the sector so that rad... | 04/14/1987 |
| 4655629 | Flexural pivot device and method for assembling same A flexural pivot device and method for producing same, wherein rotational motion of a first tubular member relative to a second tubular member is obtained by: forming flexural members from a shape memory alloy into a first shape in the austenitic phase at... | 04/07/1987 |
| 4654702 | Portable and collapsible pipe crawler A light-weight, portable, pipe crawler vehicle includes a four-wheeled chassis, with the sets of wheels along the opposite sides of the chassis being respectively driven by two hydraulic motors. A foldable mast is removably pivotally mounted on the chassi... | 03/31/1987 |
| 4653576 | Expandable antivibration bar for a steam generator A steam generator for use with a nuclear power plant is provided with expandable antivibration bars. The antivibration bars are positioned between columns of tubes in the steam generator and are attached to retaining rings surrounding the bundle of tubes.... | 03/31/1987 |
| 4651400 | Multiple fuel rod gripper Both an apparatus and a process for removing fuel rods from spent fuel assemblies is disclosed herein. The apparatus of the invention includes a locking plate having a plurality of tapered holes registrable with the rods of a fuel rod assembly, a pluralit... | 03/24/1987 |
| 4652418 | Plug testing and removal tool A tool is insertable in the narrow annular access space between the cylindrical core barrel and the thermal shield of a nuclear reactor for testing and removing a plug from a flow hole in the core barrel. The tool includes two hydraulically driven jaws wh... | 03/24/1987 |
| 4649609 | Apparatus and process for providing an alternate coolant path in the core of a nuclear reactor Both an apparatus and process for providing a coolant flow path in the top former plate of the core of a nuclear reactor are disclosed. The apparatus of the invention generally comprises an elongated tool support member having a tool mounting means for de... | 03/17/1987 |
| 4649650 | Nuclear reactor fuel assembly grid measuring method and device A nuclear reactor fuel assembly grid measuring method and device, including a grid measuring tool mounted on an X, Y, X positioner having a force limiter for each of these three axes and a grid clamping tool. The grid measuring tool is a combination of: a... | 03/17/1987 |
| 4649868 | Sludge trap with internal baffles for use in nuclear steam generator A sludge trap, or mud drum, for use in nuclear steam generators includes internal baffles defining multiple laminar flow paths having decreased vertical settling distances. The baffling arrangements take advantage of the diverging nature of circular geome... | 03/17/1987 |
| 4650110 | Continuous movement brazing process An improved process for brazing a sleeve within a tube is disclosed herein. In the first step of the process, a radial expansion is induced in the tube in a first longitudinal section which does not include the ring of brazing alloy which circumscribes th... | 03/17/1987 |
| 4649493 | Tube expansion apparatus An apparatus for expanding a tube against the walls of a circumscribing bore, or a sleeve within a tube to effect an interference joint therebetween, is described herein. The tube expansion apparatus generally comprises a fluid mandrel connected to a hydr... | 03/10/1987 |
| 4649492 | Tube expansion process A process for the controlled expansion of a conduit against the walls of a circumscribing structure is disclosed herein. The process generally comprises the steps of applying a radially expansive force to the conduit, while monitoring a variable associate... | 03/10/1987 |
| 4646978 | Method for sorting radioactive waste This invention relates to a method for examining dry material, components of which may have a low level of radioactivity, to sort the radioactive components from the nonradioactive components.... | 03/03/1987 |
| 4646782 | Surge suppressing check valve A surge suppressing check valve, in its closed condition, closes a fluid passage and separates it into inlet and outlet portions. A cylinder communicates with the outlet portion. A first piston closes the cylinder adjacent to the outlet portion and is axi... | 03/03/1987 |
| 4644908 | Steam generator wrapper closure and method of installing the same A steam generator wrapper closure and a method of installing the same includes a plug member (108) which includes a large diameter portion (110) and a small diameter portion (112) with an annular shoulder portion (114) defined therebetween. A locking pawl... | 02/24/1987 |
| 4643029 | Ultrasonic probe for the remote inspection of nuclear reactor vessel nozzles An ultrasonic probe for the weld inspection of nuclear reactor vessel nozzles is constructed from a plurality of segments interconnected by means of a flexible joint and protected by bumpers of various shapes. The probe is capable of successfully operatin... | 02/17/1987 |
| 4642215 | Universal tool for ultrasonic testing of nuclear reactor vessels A universal tool for the weld inspection of tubular objects such as reactor vessels is disclosed. The tool is constructed from an array of transducers mounted in groups for common inspection of a particular weld volume. The individual transducers, as well... | 02/10/1987 |
| 4639994 | Suspension of tools for sleeving of tubes of steam generator Apparatus for processing the damaged tubes of a steam generator either to prepare the tubes for insertion of a sleeve, or to insert a sleeve or to treat the sleeve after it is inserted. This apparatus includes a drilling tool for drilling out plugs, a sle... | 02/03/1987 |