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| Number | Title | Issue Date |
| 4463803 | Downhole vapor generator and method of operation Disclosed is a method and apparatus for generating high pressure steam within a well bore. The steam vapor generator is constructed for receiving and mixing high pressure water, fuel and oxidant in a down-hole configuration. High pressure water is receive... | 08/07/1984 |
| 4452001 | Firing pin mechanism The present invention relates to improvements in firing and cocking mechanism of a breach loading firearm. This invention utilizes a substantially massive pin block disposed in a horizontal track between two counter biasing springs, the main spring and th... | 06/05/1984 |
| 4448215 | Multiple flow control valve A multiple flow and direction control valve connectable to a plurality of separate fluid sources, the valve having a fluid power port and a fluid exhaust port and a first movable valve body being operable to add or subtract the flow rates of a plurality o... | 05/15/1984 |
| 4442898 | Downhole vapor generator Disclosed is a method and apparatus for generating high pressure steam within a well bore for facilitating recovery of hydrocarbon deposits. The steam vapor generator is constructed for receiving high pressure water, fuel and oxidant in a downhole positio... | 04/17/1984 |
| 4441460 | Apparatus for heating and utilizing fluids Disclosed are methods and apparatus for heating and utilizing fluids by the use of vapor generators of the kind in which a flowing fuel/air mixture is combusted in the presence of a stream of feed water to produce a stream of steam and non-condensibles, p... | 04/10/1984 |
| 4425747 | Twin-vee ceiling hanger clip The present invention provides an apparatus and a method for insulating a covered patio by supporting insulation upon ceiling panels depending from clamps engaged in the apices of a twin-vee roof. The roof engaging elements of the clamp include a diagonal... | 01/17/1984 |
| 4418651 | System for heating and utilizing fluids Disclosed are methods and apparatus for the controlled heating and utilization of fluids by the use of vapor generators of the kind in which a flowing fuel/air mixture is combusted for heating a stream of feedwater to produce a stream of steam and non-con... | 12/06/1983 |
| 4417860 | Submersible well pump Disclosed is a displacement pump especially suited for use in very small well bores. The pump includes a piston working in a cylinder, driven by a rotating cam shaft having closed loop cams for effecting reciprocation of the piston. The rotating cam shaft... | 11/29/1983 |
| 4413211 | Control circuit for electrical appliances A circuit for controlling a ceiling-type fan includes a switch or relay for controlling the fan, connectable to the fan. A logic circuit produces an output signal for controlling the switch or relay from an input signal generated by momentarily interrupti... | 11/01/1983 |
| 4389828 | Suspended ceiling system with crossing clip This application discloses a connection system for promoting the construction of suspended ceiling systems. A clip arrangement is used whereby rail-to-clip-to-rail connections are readily accomplished from below grid access using horizontal translation to... | 06/28/1983 |
| 4389823 | Modular roof skylight Disclosed is a modular roof skylight system which includes channel shaped roof and ceiling panel assemblies locked together with a skylight panel assembly therebetween. The skylight panel assembly includes roof and ceiling light transmitting sections whic... | 06/28/1983 |
| 4372399 | Drill bit with wedge shaped eduction jets Disclosed is a drill bit with an eduction jet which discharges drilling mud upwardly through nozzles having wedge shaped apertures oriented such that the wedge shape is tangential to the central axis about which the drill bit rotates. Expelled mud project... | 02/08/1983 |
| 4372049 | Framing layout method and device Disclosed are a method and apparatus for marking beams for the placement of studs, rafters and joists. The invention uses three instruments for measuring, aligning and marking. The first and simplest instrument is a tee-square instrument which requires in... | 02/08/1983 |
| 4362951 | Cycle charge standby power system Disclosed is a standby power supply system appropriate to supply a set of signal amplifiers within a cable television network. The standby power supply normally operates off of utility company power and alternatively operates from a battery power supply d... | 12/07/1982 |
| 4337619 | Hot water system A versatile hot water supply system incorporating a feedback control network and vapor generator of the kind in which a fuel air mixture is combusted in a chamber through which water is flowed. The vapor generator produces a low pressure steam which is pe... | 07/06/1982 |
| 4333492 | Liquid inertia tool Disclosed is a liquid inertia tool in which the kinetic energy of flowing liquid is converted to useful work by decelerating the liquid flow and directing the inertia force in the water against a movable element in the liquid flow-containing structure whi... | 06/08/1982 |
| 4318653 | Hay loader This invention relates to a device for the lifting, loading, and transportation of large cylindrical hay bales that is well suited for the loading and unloading of the elevated surfaces commonly encountered in storing or shipping operations. The device is... | 03/09/1982 |
| 4308796 | Offset lithographic press with ink metering system for blanket cylinder Disclosed are improved methods and apparatus for printing, including equipment for adapting an offset press so that it may be operated flexographically, either to coat stock or print on it, without impairing the function of the press as an offset press. I... | 01/05/1982 |
| 4303102 | Hose ending and method of forming same Disclosed is an improved hose ending and method of forming same in which uncured hose is fitted over an end piece having a metal collar therearound. A multi-segment collar is then clamped over the uncured hose, and an overlying metal collar is slipped ove... | 12/01/1981 |
| 4297537 | Dynamic loudspeaker Improvements are disclosed in a loudspeaker of the type having a speaker cone assembly which is reciprocated by a current-carrying voice coil suspended in a constant magnetic field. The constant magnetic field is generated in an annular flux gap formed by... | 10/27/1981 |
| 4295180 | Wall mountable housing for programmable thermostat Disclosed is a packaging system for housing a programmable thermostat. The thermostat is easily installed with a minimum of tools. The housing securely contains the electronic components and conveniently and attractively mounts upon the wall without expos... | 10/13/1981 |
| 4291588 | Transmission Disclosed is a displacement pump especially suited for use in very small well bores. The pump includes a piston working in a cylinder, driven by a rotating cam shaft having closed loop cams for effecting reciprocation of the piston. The rotating cam shaft... | 09/29/1981 |
| 4288947 | Modular inflatable dome structure A modular dome structure constructed by using uniform Y joints which have branches forming angles of 120°, 120° and 108°. The Y joints are interconnected by uniform length members to form pentagonal and hexagonal structures. These modular structures ar... | 09/15/1981 |
| 4288978 | Vapor generator Disclosed is an improved vapor generator of the kind in which a fuel-air mixture is combusted in a chamber through which water is flowed. The water acts as a coolant for the unit and is vaporized or converted to steam in the chamber in the presence of the... | 09/15/1981 |
| 4281692 | Apparatus for filling lamps An apparatus for safely and conveniently filling oil lamps of the kind often used for decorative lighting in restaurants and clubs. It includes a housing proportioned to fit over a lamp to be filled. The upper portion of the housing contains an oil supply... | 08/04/1981 |
| 4265075 | Saddle Disclosed is an improved saddle comprising a saddle tree which is padded and upholstered on its top. The saddle tree is attached to a padded and flexible saddle skirt by connecting flaps which are affixed to the top of the skirt and which overlie marginal... | 05/05/1981 |
| 4265734 | Method for regeneration of used lubricant oils The invention concerns improvements in the process of U.S. Pat. No. 3,870,625 for treating polluted lubricating oil. Previous to said treatment, the used lubricating oil is injected, preferably at a plurality of levels, into at least one reservoir contain... | 05/05/1981 |
| 4248513 | Apparatus for developing film Disclosed is an apparatus for organizing and simplifying the development of photographic film. It includes a housing containing a tank for a constant temperature bath, which is provided with a heater and an air agitation line. Several narrow developing ta... | 02/03/1981 |
| 4243073 | Surge stabilizer Disclosed is an improved surge stabilizer for reducing and controlling pressure surges and vibrations which cause destructive wear to pumps. The stabilizer includes a cylindrical case which is placed in pressure communication with the pump working fluid, ... | 01/06/1981 |
| 4236618 | Torque transmitting and blocking device Disclosed is a torque transmitting and blocking device which includes a cylindrical drum, a pair of arcuate shoes positioned within the drum, and a spanner bar extending between the shoes to one side of the axis of the drum. On the other side of the drum ... | 12/02/1980 |
| 4233825 | Knitting machine Disclosed is an improved knitting machine in which special steps have been taken to provide for close correlation of the operation of the knitting filament in-feed equipment and the knitted fabric out-feed equipment with the speed of the knitting head its... | 11/18/1980 |
| 4227146 | Cable tester for locating shorts discontinuities and reversals in multi-conductor cables Disclosed is a cable tester for multi-conductor cables having a constant current power supply and circuitry for connecting the conductors of the cable in series with one another across the power supply simultaneously. The circuitry includes "open" detecto... | 10/07/1980 |
| 4225085 | Shower head dispenser Disclosed is a shower head dispenser for bath oil and the like which includes a body member with an axial bore adapted for insertion between a shower line and a shower head. The body member has two longitudinally spaced apertures or transverse bores in it... | 09/30/1980 |
| 4211071 | Vapor generators Disclosed is an improved vapor generator of the kind in which a fuel-air mixture is combusted in a chamber through which water is flowed. The water acts as a coolant for the unit and is vaporized or converted to steam in the chamber in the presence of the... | 07/08/1980 |
| 4194776 | Security astragal for double door assembly Disclosed is a security astragal for double door assemblies which includes a gear-toothed rod rotatably mounted in the meeting edge of one of the doors, and a rod-engaging blade mounted on the meeting edge of the other door. Both the rod and the blade pre... | 03/25/1980 |
| 4168750 | Agricultural roller Disclosed is an agricultural roller useful, for example, in closing and packing furrows after they have been sowed by a seed drill. The roller includes a generally rectangular frame equipped with several roller mounting stations for mounting the desired n... | 09/25/1979 |
| 4160889 | Electrical terminal block Disclosed is an improved electrical terminal block having an insulative base with a pair of parallel fixed links mounted thereon by staked connector posts of improved configuration. A movable link is slidingly mounted on one link and engageable with the o... | 07/10/1979 |
| 4155206 | Insulated metal roofing system Disclosed is an insulated metal roofing system which includes channel shaped roofing panels locked together in side-by-side relationship at the upwardly projecting edges of the channel legs by means of interlocking flanges, with legs of adjacent panels in... | 05/22/1979 |
| 4145166 | Displacement pump Disclosed is a displacement pump especially suited for use in very small well bores. The pump includes a piston working in a cylinder, driven by a rotating cam shaft having closed loop cams for effecting reciprocation of the piston. The rotating cam shaft... | 03/20/1979 |
| 4122969 | Safety closure apparatus for pressure vessels Disclosed is a safety closure apparatus for a pressure vessel, particularly for a vessel such as a pump stabilizer which has a gas compartment and a liquid compartment therein, both of which are normally pressurized. The apparatus includes a safety head c... | 10/31/1978 |