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| Number | Title | Issue Date |
| 5135047 | Furnace for high quality and superconducting bulk crystal growths The manufacturing of high temperature superconducting crystals and high quality crystals in general requires a furnace design with very precise process control to minimize the crystal defects. A furnace design of this type can be realized by growing cryst... | 08/04/1992 |
| 5135048 | Active temperature differential control An apparatus is provided for maintaining a particular temperature differential and/or adjustable temperature gradient between two, possibly variant domains on a first glass, ceramic or synthetic plate, includes a first active thermal element (heater or co... | 08/04/1992 |
| 5135049 | Vent line in the cooling circuit of an internal combustion engine A venting arrangement for a cooling circuit of an internal combustion engine, having a vent line which connects a radiator to a top section of an expansion tank located at a higher level with regard to the top of the radiator. In order to avoid trapping o... | 08/04/1992 |
| 5135050 | Device for collecting particulate matter and debris in horizontal or high-deviation oil or gas wells Device for collecting particulate matter and debris in horizontal or highly-deviated oil or gas wells, comprising a cylindrical housing (10) enclosing a collecting chamber having at least one radial port (7A, B) at a distance from an inner end (5) of said... | 08/04/1992 |
| 5135051 | Perforation cleaning tool In accordance with an illustrative embodiment of the present invention, a well perforation cleaning tool includes a fluidic oscillator that creates pressure changes which induce cyclical stresses in the damaged skins of the perforations and causes the ski... | 08/04/1992 |
| 5135052 | Recovery of oil using microemulsions A method of recovering hydrocarbons from subterranean reservoirs by the use of a viscous microemulsion form the single phase region of the ternary diagram of a microemulsion system that is optimal at the reservoir salinity is disclosed. The microemulsion ... | 08/04/1992 |
| 5135053 | Treatment of well tubulars with gelatin A method for treating well tubulars and elements (e.g. tubing, casing, sucker rods, etc.) for corrosion, drag reduction, or the like wherein a mass of gelatin is passed downward through the tubular to deposit a protective layer onto the wall of the tubula... | 08/04/1992 |
| 5135054 | Fire extinguishing agents for flooding applications A set of fire extinguishing agents suitable for total flood fire suppression applications is disclosed. The agents are characterized by high extinguishment efficiency, low toxicity, and low ozone depletion potential. The agents are partially or completely... | 08/04/1992 |
| 5135055 | Ground and airborne fire fighting system and method of fighting high rise building fires A ground and airborne system and method for fighting high rise building fires uses a ground based pump such as a mobile pumper vehicle with its inlet connected to a source of fire retardant material such as water. A rotary wing aircraft is provided with a... | 08/04/1992 |
| 5135056 | Plough apparatus Plough apparatus comprising a wheeled support structure (10) that supports a plough beam (20) that is pivotable in a horizontal plane about the center of the support structure between first and second plough beam positions. The plough beam (20) carries a ... | 08/04/1992 |
| 5135057 | Agricultural implement lifting mechanism A lifting apparatus for an agricultural implement, the apparatus includes first and second frame members, with the second frame member pivotally movable relative to the first member about a horizontal axis. To move the second member relative to the first ... | 08/04/1992 |
| 5135058 | Crane-mounted drill and method for in-situ treatment of contaminated soil Apparatus for in-situ treatment of contaminated soil that includes an elongated hollow drive shaft mounted for rotation about its axis while being supported in vertical orientation. The upper end of the drive shaft is connected for selective injection of ... | 08/04/1992 |
| 5135059 | Borehole drilling motor with flexible shaft coupling A downhole drilling motor includes a rotor and stator of the Moineau positive displacement type within a housing. A drive shaft is rotatably mounted within the housing. A flexible shaft with a polygonal connection at each end transmits the rotational moti... | 08/04/1992 |
| 5135060 | Articulated coupling for use with a downhole drilling apparatus A downhole drilling apparatus which includes a drive train having a downhole motor device and a coupling for permitting bending of the drive shaft to accommodate directional drilling. The coupling includes two distinct portions. The first portion transmit... | 08/04/1992 |
| 5135061 | Cutting elements for rotary drill bits A preform cutting element for a rotary drill bit for use in drilling or coring holes in subsurface formations includes a cutting table 12, 13 of superhard material such as polycrystalline diamond. The rear face of the cutting table is bonded to a substrat... | 08/04/1992 |
| 5135062 | Strain gage transducer system with guard circuit A strain gage transducer system, such as a load cell based weighing system, is protected against moisture related errors by an electrically conducting guard circuit for terminals and other parts subject to wet or humid conditions. The guard circuit is con... | 08/04/1992 |
| 5135063 | Power unit for driving manually-operated wheelchair This invention relates to a power drive unit which is attachable to, and detachable from, a conventional wheelchair. Thus, a conventional manually-powered wheelchair can be converted into a power driven wheelchair employing the subject apparatus for drivi... | 08/04/1992 |
| 5135064 | Remote steering of on-highway vehicles Motor vehicles in which steerable wheels aft of the front wheels are steered by the same steering wheel which steers the front wheels. In one aspect the present invention provides an extended motor vehicle thus steered, and in a second aspect a tractor-tr... | 08/04/1992 |
| 5135065 | Vehicular height controlling arrangement in automotive vehicle A vehicular height controlling arrangement changing a length of a suspension cylinder by supplying or draining the hydraulic oil through a damping force selector valve. The damping force selector valve changes a damping force of a suspension cylinder by c... | 08/04/1992 |
| 5135066 | Apparatus for detecting the steering angle of rear wheels of a vehicle An apparatus for detecting the steering angle of rear wheels of a vehicle, wherein a motor is used for steering the rear wheels and the motor is controlled by the number of pulses generated by a pulse generator which detects the revolutions of the motor a... | 08/04/1992 |
| 5135067 | Electric power steering system An electric power steering system which additionally includes a radial arm extending from a steering rod, an axial shaft extending in parallel with the axial center line of the steering rod, an axial bore formed in the casing of the system for guiding axi... | 08/04/1992 |
| 5135068 | Hydraulic reaction device for power steering apparatus A hydraulic reaction device of a power steering apparatus includes a vehicle-speed responsive pump, a reaction plunger, a hydraulic reaction chamber, a path, and a variable control unit. The vehicle-speed responsive pump has a pressure oil discharge flow ... | 08/04/1992 |
| 5135069 | Vehicle rudder angle control apparatus Apparatus for controlling the steerable wheels of a power-assisted steering unit of a vehicle in which an angle detector is connected to the power assist unit and to a power controller. An abnormality detector is arranged between the steering shaft of the... | 08/04/1992 |
| 5135070 | Active hydraulic pressure control An active hydraulic pressure control system includes a sensor, a valve, a controller and an actuator. In accordance with a broad aspect of the present invention, the controller determines a pressure differential between the pressure sensed by the sensor i... | 08/04/1992 |
| 5135071 | Power transmitting apparatus for four-wheel-drive motor vehicle A power transmitting apparatus on a four-wheel-drive motor vehicle can distribute and transmit drive power from a power unit to front and rear drive road wheels such that the rotational speeds of the front and rear drive road wheels can differ from each o... | 08/04/1992 |
| 5135072 | Vibrating seismic source usable notably in wells A seismic source for emitting vibrations through rotation of a set of eccentric weights. Two pairs of angularly out-of-phase weights (A1, A2 and C1, C2) rotate in the same direction. One pair of weight (B1, B2) of twice the mass of each of the first pairs... | 08/04/1992 |
| 5135073 | Acoustical partition and method of making same An acoustical partition for use in home, office and industrial environments includes a generally rectangular, rigid, hollow frame whose interior opening is filled with an acoustical core wherein the outer planar surfaces of the frame and core are covered ... | 08/04/1992 |
| 5135074 | Telescopic boom elevating apparatus with a mechanical lift and level linkage system A telescopic boom and lift apparatus positions a vertical support and platform and includes a telescopic boom unit and a rigid mechanical lift linkage to pivot the boom unit with automatic leveling of the support. The telescopic boom unit is pivoted to a ... | 08/04/1992 |
| 5135075 | Child's safety device A child safety device used to restrain the freedom of movement and give protection against falling from a guardian attended, modern grocery cart. A safety device in light weight form that can be attached and released with the utmost ease and conveniently ... | 08/04/1992 |
| 5135076 | Escape slideway An escape slideway comprises a base stand, a swivel table, slidway faces, handrails, connecting plates, an oil hydraulic motor, a wiring wheel, wire ropes, etc.. By loosing or winding wire ropes, the slideway can be exended or folded. The escape slideway ... | 08/04/1992 |
| 5135077 | Scaffolding system A basic scaffolding tower assembly for building up, in modular fashion, a multi-level scaffolding system includes a pair of load-bearing tower panels spaced from and parallel to the building facade. The tower panels are joined together by a pair of landin... | 08/04/1992 |
| 5135078 | Portable support system for suspending persons from buildings A portable support system for use on the roof of a building to support an object and/or person therefrom. The system is arranged to be readily rolled to a desired position adjacent the edge of the roof and includes two wheeled frame assemblies and a colla... | 08/04/1992 |
| 5135079 | Noise prevention apparatus for a cable winch elevator A cable winch elevator noise prevention apparatus is provided with a winch on the top most floor of a building and having a main sheave that winds a cable up and down, to both ends of which are fixed an elevator cage and a counterweight, and at least two ... | 08/04/1992 |
| 5135080 | Stand up fork lift truck safety net A stand-up fork lift truck having its entry/exit opening covered by a flexible safety net which is securely fastened to one side of the opening and detachably attached to the other side and bottom with detachable fastening means.... | 08/04/1992 |
| 5135081 | Elevator position sensing system using coded vertical tape A position sensing system includes a coded tape vertically mounted in an elevator shaft and a sensor unit mounted on an elevator car to detect code indicia on the tape. The sensor unit is connected to output circuitry for converting the sensor outputs to ... | 08/04/1992 |
| 5135082 | Brake band A brake band for use in a transmission for a vehicle for example, has a greater oil discharge (removing) area in the portion of a lining which is near the apply side end of the brake band than in the portion of the lining which is on the anchor side of th... | 08/04/1992 |
| 5135083 | Input responsive damper According to the invention, there is provided an input responsive damper comprising a worm wheel for being rotationally driven by an object of damping, a worm for being rotated by the worm wheel, a guide for movably guiding along the axis of the worm a wo... | 08/04/1992 |
| 5135084 | Clutch A clutch having an outer ring, an inner shaft mounted in the outer member, a cage interposed between the outer ring and the inner shaft and cam members movably mounted in pockets formed in the cage. A torque-setting elastic member is provided between the ... | 08/04/1992 |
| 5135085 | Lubricating device for one-way clutch A one-way clutch incorporates an arrangement to lead lubricating oil to the torque transmitting members without the use of a penetrating hole in the inner ring or outer ring of the clutch. Instead, a guide arrangement is provided externally of the track s... | 08/04/1992 |
| 5135086 | Assembly tool with rapid release electromagnetic clutch The assembly tool comprising an electrically operated clutch assembly and achieves rapid termination of energy throughput to provide accurate torque delivery for fastener tightening and similar applications. The clutch assembly includes a pair of equal di... | 08/04/1992 |
