"Everyone acquainted with the subject will recognize it as a conspicuous failure."
Henry Morton, president of the Stevens Institute of Technology ; Said in 1880 about the light bulb
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| Number | Title | Issue Date |
| 5699839 | Zero-vent liquid natural gas fueling station A liquefied natural gas (LNG) fueling station which does not vent natural gas vapors. Three cryogenic storage vessels alternately serve as dispensing, conditioning, and receiving vessels. A natural gas compressor transfers vapor between the vessels and ev... | 12/23/1997 |
| 5699840 | Retention system and method for preventing the efflux of substances from installations into the surroundings A retention system is described for collecting substances from installations. This includes at least one outlet line which opens into at least one flexible container which is joined in am essentially pressure-tight manner. The container is attached to a p... | 12/23/1997 |
| 5699841 | Thermos bottle A thermos bottle for keeping beverages such as coffee, tea, and Japanese tea in hot or cold state, comprising an inner container inside of an outer container, a plug member fitted to an upward opening of the outer container, and a feeding passage for allo... | 12/23/1997 |
| 5699842 | Magnetic filling and mixing apparatus and processes thereof A process for filling and dispersing the contents of a container, comprising: placing a container to be filled in filling relationship with a container holder and at least one material source; moving a magnetic material from a first source to the containe... | 12/23/1997 |
| 5699843 | Multi-drum barking machine A barking machine comprises a container for accommodating logs longitudinally therein, this container having a longitudinal side wall with a lower end, and a bottom wall including a first longitudinal opening adjacent to the lower end of the first side wa... | 12/23/1997 |
| 5699844 | Router plate with removable inserts A router plate for use with a router having a planar surface and an arbor projecting therethrough. The router plate comprises a flat plate member having an opening extending therethrough with a rabbet flange extending inwardly from the outer perimetric ed... | 12/23/1997 |
| 5699845 | Magnetic tilt mechanism for Venetian blinds A tilt mechanism for use on a window blind positioned between double panes of glass has a shaft to which the tilt cords are attached. A nut with attached magnet rides on a threaded portion of the shaft and is adjacent the inside surface of one glass pane.... | 12/23/1997 |
| 5699846 | Wand-controlled split-draw vertical blind headrail A split-draw vertical blind system uses a plurality of slat carriers, the slat orientation of which is controlled by a spline rod which passes through the carriers. Each carrier bears wheels to enable the carrier to glide smoothly along tracks provided by... | 12/23/1997 |
| 5699847 | Motorized roll-up device for venetian blinds Motorized device (2) for rolling up cords or tapes (13, 15) of Venetian or folded blinds, equipped with an automatic stopping device detecting a blockage of the motor. This automatic stopping device consists of a screw (6) carrying a traveling nut (7) rot... | 12/23/1997 |
| 5699848 | Method for manufacturing a replica stamper A method for forming a replica stamper for use in mass producing an optical disk, wherein the optical disk has a plurality of tracks arranged spirally or concentrically, and each of the tracks includes a recess and a protrusion for recording information s... | 12/23/1997 |
| 5699849 | Hot-chamber diecasting machine In order to improve the compression operation and to produce better products with thin-walled castings, the invention calls for the compression operation to be divided into three phases and controlled by high-dynamic continuous-operation valves which have... | 12/23/1997 |
| 5699850 | Method and apparatus for control of stirring in continuous casting of metals An induction stirring method wherein molten metal is electromagnetically stirred during continuous casting in a mold includes control of velocity of the stirring motion at the meniscus and the region adjacent to it, either to decrease or enhance the stirr... | 12/23/1997 |
| 5699851 | Air conditioner for vehicles According to the present invention, a sliding door is positioned between the cooler and the heater and slidable in a direction crossing both the cool air passage and the warm air to control each amount of air flowing to the warm air passage and air flowin... | 12/23/1997 |
| 5699852 | Heat exchanger having a resin-coated pipe A heat exchanger having corrosion resistant resin-coated plates and pipes. The heat exchanger is easily constructed using the corrosion resistant resin-coated plates and the pipes. The heat exchanger does not require heat treatments or large constructing ... | 12/23/1997 |
| 5699853 | Combined heat sink and sink plate A heat sink with fins that extend between first and second conductive plates is cooperatively combined with one or more heat pipes which act to directly transfer heat to an otherwise relatively inefficiently used portion of the cooling fins.... | 12/23/1997 |
| 5699854 | Miniature fan assembly for outputting air in a certain direction A miniature fan assembly includes a base, a coil seat mounted in the base, a fan mounted above the coil seat, and a top plate securely mounted above the fan. The base includes a recess defined therein and an outlet defined in a peripheral wall thereof whi... | 12/23/1997 |
| 5699855 | Plate fin heat exchanger and method of making thereof To prevent with certainty corrosion by mercury even in nonoperating of plant facilities, plate fins 1 and flat plates 2 of flow passage members constituting cooled fluid passages and refrigerant passages are formed by an aluminum alloy and on surfaces of ... | 12/23/1997 |
| 5699856 | Bank of plates for heat exchanger and method of assembling such a bank of plates A bank of plates for a heat exchanger, of the type comprising a stack of parallel plates each having smooth-surface edges and an undulated central portion forming, with the associated plates, a dual circuit for countercurrent flow of two independent fluid... | 12/23/1997 |
| 5699857 | Vehicle climate control multiplex system An automotive heater, ventilation and air conditioning (HVAC) control system reduces overall system cost and improves system reliability by reducing the number of wire interconnects between the climate control head and the multifunction body control modul... | 12/23/1997 |
| 5699858 | Well pumping system and installation method A well pump system including a pulldown anchor which may be lowered into a wellbore on a flexible cable having both ends of the cable retained at the surface until the pulldown anchor reaches a position which will cause a spring biased pawl to prevent the... | 12/23/1997 |
| 5699859 | Well water recirculation valve and method of manufacturing thereof A well water recirculation valve comprising an in-line check valve and a calibrated orifice through the body of the check valve. The orifice communicates through the body of the check valve into an unchecked end thereof. In use in a water well having a su... | 12/23/1997 |
| 5699860 | Fracture propping agents and methods Improved fracture propping agents and methods of using such agents are provided. The propping agents are basically comprised of a plurality of small pieces which are suspendable in a fracturing fluid and have adequate compressive strength to prevent the c... | 12/23/1997 |
| 5699861 | Modular shoeing system A kit which can be used to form a horseshoe, which can be assembled by a farrier in the field, and which can be applied to a horse using adhesives. Specifically, a kit is provided including a rigid cast polymeric sole or a horseshoe, and a rigid planar me... | 12/23/1997 |
| 5699862 | Foam generating device for fire-fighting helicopter A helicopter (20) is equipped with a foam generating device (22) comprising a tank (1) associated with a pump system (2) and a mixer device (36) to deliver a mixture water-emulsifier. A spraying system (44) comprises two modules (44a, 44b) arranged on the... | 12/23/1997 |
| 5699863 | Apparatus for grooming fields The invention discloses apparatus for grooming, leveling and conditioning athletic fields comprised of a leveling trowel having beveled ends. Soil is worked using elastomeric flails disposed into contact with the surface by a rigid weight bar pivotally mo... | 12/23/1997 |
| 5699864 | Marine anchoring apparatus An elongated stake having a sharply pointed lower end and a polygonal shaped upper end. A hammer is slidably mounted on the stake and is limited in its travel by an upper abutment located at the upper end and a lower abutment located about midway between ... | 12/23/1997 |
| 5699865 | Antivibration device for mounting between a motor unit and a handle unit The invention relates to an antivibration device between a motor unit 2 and a handle unit 9 of a portable handheld motor-driven chain saw 1. The antivibration device includes a sleeve-shaped elastic base body 6 having one of its ends 36 in a receptacle 20... | 12/23/1997 |
| 5699866 | Sectional drive system A sectional drive system for transmitting power linearly or in a curved path to an output, which system includes multiple, tapered and splined, interlocking driving segments which are nested and stacked as a segment string that is rotatable in a guide pat... | 12/23/1997 |
| 5699867 | Bit retention device for a bit and chuck assembly of a down-the-hole, percussive drill A bit retention device for a bit and chuck assembly of a down-the-hole, percussive drill, for retaining a head section of a bit should the head section separate from a shank of the bit includes a chuck adapted for threadable connection to a drill casing, ... | 12/23/1997 |
| 5699868 | Rotary drill bits having nozzles to enhance recirculation A rotary drill bit for drilling holes in subsurface formations comprises a bit body having a leading face and a gauge region, and a plurality of blades formed on the leading face of the bit body and extending outwardly away from the axis of the bit toward... | 12/23/1997 |
| 5699869 | Automatically engaging and disengaging gear box assembly A gear box assembly for automatically engaging and disengaging an output gear which is non-rotatably concentrically mounted on a driven axle shaft attached to plural wheels in a children's ride-on toy is described. The assembly includes an electric motor ... | 12/23/1997 |
| 5699870 | Electric shift transfer case system for an automobile An improved electric shift transfer case system (10) and electronic control circuit (16) therefor utilizes a microprocessor (73), interface circuit (72), and motor drive circuit (70) to control energization of a direct current electric shift motor (58) th... | 12/23/1997 |
| 5699871 | Driving force transfer apparatus for four-wheel drive vehicle In a driving force transfer apparatus for a part-time four-wheel driving vechicle, a dog clutch structure is provided at both sides of first and second output axles, the first output axle being connected toward driven road wheels such as rear road wheels ... | 12/23/1997 |
| 5699872 | Structure and method for easy access to and maintenance of accessories in a vehicle without removing a power unit A crank shaft of a power unit is disposed in the longitudinal direction of a vehicular body. Accessories provided at either end portion of the crank shaft are covered with a front cover and rear covers which are removable from a casing. Front and rear dri... | 12/23/1997 |
| 5699873 | Operation control system for traveling vehicle When a longitudinal straight traveling mode position A, an oblique traveling mode position B, a transverse traveling mode position C, or spin turning mode position D is selected by a traveling mode changeover switch 21, a signal corresponding to the selec... | 12/23/1997 |
| 5699874 | Electric power steering apparatus In an electric power steering apparatus including a steering torque detector for detecting steering torque of a steering system, an electric motor for generating steering auxiliary force with respect to the steering system, and a control apparatus for con... | 12/23/1997 |
| 5699875 | Lifeline anchor An anchor for securing a line to a ground-based receiving member having inner walls which define an opening therein includes a rod adapted to be received in the opening formed in the receiving member. The rod has an anchoring member at a lower end and a t... | 12/23/1997 |
| 5699877 | Oil-slinger device provided with a projection engaging a mating receiver formed in a transmission housing An oil-slinger device (60) is proposed for a bearing (36) of a shaft (32) in a transmission housing (34) of a motor vehicle (2). On the oil-slinger device (60) projections (72) are provided which cooperate with intakes (74) in the transmission housing (34... | 12/23/1997 |
| 5699878 | Conveyor elevating techniques Apparatus for raising a conveyor above the surface of a poured concrete structure as the structure is formed includes a post moveable in a vertical direction that supports a conveyor on top of the post. A horizontal support tube is connected to the post, ... | 12/23/1997 |
| 5699879 | Elevator system An elevator system is shown that includes an elevator shaft (12) in which an elevator car (C) is movable along vertical axis (14). Car (C) is connected by drive ropes (26-1 through 26-4) to counterweight (CW) movable along vertical axis (20). A drive moto... | 12/23/1997 |