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Sir William Preece, chief engineer, British Post Office ; 1878
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| Number | Title | Issue Date |
| 5549140 | Back rest arrangement for controlling warp thread tension A device controls warp thread tension in a weaving machine, which the warp thread tension being dependent upon rotation of a plurality of beams forming part of the weaving machine and included in a back rest system for the warp threads, wherein the plural... | 08/27/1996 |
| 5549141 | Liquid container sample transfer method and apparatus A method for dispensing a sample of liquid from a sealed thermoplastic container which includes both a volumetrically flexible chamber holding the liquid and also a plurality of spaced axially vertical nozzles on the container underside, the nozzles havin... | 08/27/1996 |
| 5549142 | Dispensing system for refueling transport containers with cryogenic liquids A system for the automatic filling of cryogenic containers such as fuel tanks. A cryogenic fluid having a vapor phase at positive pressure is removed by a control mechanism and transported to a primary storage tank through a single phase transport line. W... | 08/27/1996 |
| 5549143 | Apparatus with vacuum recovery for adding flavor materials to beverages A method of adding flavor essences, aromas, and concentrates to beverages. These essences aromas, and concentrates, or any other flavors or flavor mixtures are added to the beverage after it has been filled to volume in a container and just prior to the f... | 08/27/1996 |
| 5549144 | Compression filler for aerateable powders A filling head for a pouch packaging machine or the like has a plurality of rotating chambers for receiving measured amounts of an aerateable powder. Pistons aligned with the chambers can be inserted into the chambers to compress the powder and remove ent... | 08/27/1996 |
| 5549145 | Balancing skid for tree harvesting machine A balancing skid for a tree harvesting machine, which balancing skid is designed to mount adjacent to the cutting assembly beneath the cutting frame of the tree harvesting machine and spaced from the existing blade skid to balance the cutting assembly hor... | 08/27/1996 |
| 5549146 | Vehicle tire with wiper rib member A pneumatic vehicle tire has a tire tread with circumferential grooves. Each one of the circumferential grooves has a groove base and groove flanks. At least one of the circumferential grooves has a wiper rib member connected integrally to the groove base... | 08/27/1996 |
| 5549147 | Pneumatic tire including profiled elements A tread design for a pneumatic tire of radial construction for high-speed vehicles is provided. The tire has a height-to-width ratio of ࣘ0.6 with a tread design that is tied to the direction of rotation. The tread design comprises profiled elements that... | 08/27/1996 |
| 5549148 | Blade for accordion storm shutter An accordion storm shutter assembly includes a frame for installation in an opening in a building wall and a pair of folding shutters which can be drawn together across the opening. Each shutter is formed from a number of blades articulated along vertical... | 08/27/1996 |
| 5549149 | Door with membrane attached to tambour slats guided by a track The tambour door assembly (16), for a bathtub (10) having side access or other structures, has a plurality of tambour slats (76 or 401). Shafts (78 or 404) are mounted in the ends of the tambour slats. Rollers 82 are mounted on the shafts (78 or 404) and ... | 08/27/1996 |
| 5549150 | Glass porch enclosure A porch enclosure system for enclosing a porch having a framework including a pair of side members with vertical parallel slots, a top member for housing a motor mechanism and storing a plurality of glass panels and a bottom member for receiving a recipro... | 08/27/1996 |
| 5549151 | Method for making graded composite bodies and bodies produced thereby The present invention relates to the formation of bodies having graded properties. Particularly, the invention provides a method for forming a metal matrix composite body having graded properties. The graded properties are achieved by, for example, locati... | 08/27/1996 |
| 5549152 | Method and system for modifying a linear control algorithm which controls an automotive HVAC system Method and system for modifying a linear control algorithm which controls an automotive HVAC (heating, ventilation and air conditioning) system using fuzzy logic. The control algorithm responds to signals generated by various climate control sensors to pr... | 08/27/1996 |
| 5549153 | Device for cooling drive components and heating a passenger compartment of an electric vehicle A device for cooling drive components and heating a passenger compartment of an electric vehicle, having a drive motor fed by a battery, comprises a first coolant circuit which is coupled by an intermediate heat exchanger to a second coolant circuit. In t... | 08/27/1996 |
| 5549154 | Method for heating a roll and a heatable roll The invention relates to a method for heating a roll and a heatable roll for use in a paper machine, paper finishing machine, or equivalent. The roll is heated by a heating medium which is introduced into the roll interior through at least one of the ends... | 08/27/1996 |
| 5549155 | Integrated circuit cooling apparatus The apparatus is a cooling device for an integrated circuit chip which includes a heat conductive pad for contact with the top surface of the chip and for attachment to a heat pipe to dispose of the heat. One surface of the pad is flat and contacts the ci... | 08/27/1996 |
| 5549156 | Shock absorber & Wiper A safety shock absorber and wiper for use in an oil well pumping unit and attached to the top of a stuffing box. The shock absorber and wiper is constructed of a high density elastomeric material which is designed to absorb the shock created in the event ... | 08/27/1996 |
| 5549157 | Electronic counter with pump-mounted sensor for cycle indication A counter apparatus for counting the cycling of fluid flow in an automatic pneumatic pump. A magnet inside the pump repetitively moves along a fixed path in response to the pump cycling. A magnetic sensor for detecting magnetic flux is mounted on the pump... | 08/27/1996 |
| 5549158 | Field installed slotted rod guide and method A rod guide 10 may be installed on a sucker rod by two distinct impacts with a hammer or mallet. The rod guide 10 includes a slot 30 having a throat 38 defining therein a catch section 50 wherein a sucker rod 22 will be temporarily caught and held after t... | 08/27/1996 |
| 5549159 | Formation testing method and apparatus using multiple radially-segmented fluid probes An apparatus for withdrawing fluid from an earth formation comprising an elongated housing, a first inflatable elastomeric seal adapted to expansively fill an annular space between the housing and the wall of a wellbore. The seal includes axially spaced s... | 08/27/1996 |
| 5549160 | Downhole progressing cavity pump rotor valve An apparatus and method for plugging a tubing string of a fluid producing well below a sucker rod driven progressing cavity type pump uses a valve means inside of the tubing string below the pump, the valve means being actuatable by displacing the rotor o... | 08/27/1996 |
| 5549161 | Overpull shifting tool A shifting tool is disclosed which allows movement of a shifting sleeve, to be followed by an additional force applied to ensure complete stroking of the shifting sleeve. This is accomplished by a shifting key to normally shift the shifting sleeve, follow... | 08/27/1996 |
| 5549162 | Electric wireline formation testing tool having temperature stabilized sample tank The present invention is a sample tank for storing and transporting a fluid sample withdrawn from an earth formation by a formation fluid sampling tool. The sample tank includes a storage cylinder adapted to withstand high internal pressure. The storage c... | 08/27/1996 |
| 5549163 | Piston sleeve valve for use with oilfield fishing operations An oilfield piston sleeve valve for signaling positive engagement of a drill string with a downhole tool during fishing operations is disclosed. The piston sleeve valve is attached to the bottom of a drill string and to a retrieving tool allows drilling f... | 08/27/1996 |
| 5549164 | Method and apparatus for production of subsea hydrocarbon formations A well tender system for controlling, separating, storing and offloading well fluids produced from subsea hydrocarbon formations. The system comprises a vertically aligned series of tethered cylindrical tanks which are torsionally stabilized by flexible c... | 08/27/1996 |
| 5549165 | Valve for inflatable packer system A pressure limit valve for well tools where a valve member is moveable between a first closed portion, an open position and a second closed position. A spring for closing the valve is separated from a locking chamber which contains locking elements. The l... | 08/27/1996 |
| 5549166 | Hitch assembly control system A hitch assembly control system including an actuator which positions the hitch assembly in response to control signals provided to an electrically driven actuator. The control system further includes an electronic controller operated under the influence ... | 08/27/1996 |
| 5549167 | Hill maker hoe A hill maker hoe embodying a set of semicircular rearwardly opposing concavo-convex blades assembled to an angularly and extensibly adjustable handle which enables a user to accommodate the hoe for individual height and weight profile as well as for ease ... | 08/27/1996 |
| 5549168 | Pile driving apparatus A pile driving apparatus including two vibratory hammer units fixed to the top of a support plate having a U-shaped cutout, and a pair of hydraulic clamps fixed to the bottom of the support plate. The support plate is secured to the pile when the hydrauli... | 08/27/1996 |
| 5549169 | Screw tightening apparatus A screw tightening apparatus including an electric screwdriver having a bit shaft adapted to hold a male screw to be threaded to a female hole in a workpiece and a drive mechanism arranged to move the screwdriver toward and away from the mounting hole of ... | 08/27/1996 |
| 5549170 | Sonic drilling method and apparatus A drill string is advanced into the ground by inducing vibrations in the drill string at a resonant frequency. The drill string has an opening at a downhole end leading to a hollow interior. As drilling progresses, a core enters the hollow interior. A cas... | 08/27/1996 |
| 5549171 | Drill bit with performance-improving cutting structure A fixed cutter drill bit includes sets of cutter elements mounted on the bit face. Each set includes at least two cutters mounted on different blades at generally the same radial position with reset to the bit axis but having differing degrees of backrake... | 08/27/1996 |
| 5549172 | Electric vehicle drive system and drive method The object of the present invention is to provide an electric drive system which ensures effective generation of torque from the start to the maximum speed, and extended cruising distance and upgraded running performances. The drive system according to th... | 08/27/1996 |
| 5549173 | Control device for hydraulic actuator used in steering In a control device for a hydraulic actuator used in steering for controlling a hydraulic actuator comprising an angle sensor for detecting an angle of rotation given to a steering wheel, and an angle sensor for detecting an angle of an angular displaceme... | 08/27/1996 |
| 5549174 | Recovery system for dissipated energy of an engine motor vehicle during its running conditions The instant invention is referred to a recovery system for the dissipated energy of an engine motor vehicle during its running conditions; such a system is substantially formed by the following subsystems: subsystem A: primary cooling system subsystem B: secon... | 08/27/1996 |
| 5549175 | Control system for carriage In a control system for a carriage, a pair of driven wheels are raised or lowered by an elevator section so as to suppress inclination of the carriage which would be otherwise caused due to acceleration/deceleration of the carriage. Specifically, during s... | 08/27/1996 |
| 5549176 | Bridge construction machinery and method for constructing bridges Apparatus for removing forms from the girders of a bridge, including a frame structure, a carriage which is movable below the bridge girders, and a carriage support which is attached to the frame structure and which supports the carriage. The carriage is ... | 08/27/1996 |
| 5549177 | System for lubricating and cooling main spindle head of machine tool A system for lubricating and cooling the main spindle head of a machine tool includes a cooling device 12 having a pipe 64 at the outlet side thereof, which is bifurcated into two lines, i.e. a lubricating oil circuit and a cooling oil circuit. Simultaneo... | 08/27/1996 |
| 5549178 | Oil absorbent pad An oil collecting mat for collecting oil drippings from a motor vehicle. The mat has a bottom with upstanding side walls coated with an oil and water proofing agent, and a plurality of sheets of corrugated cardboard stacked on end to absorb oil. In one em... | 08/27/1996 |
| 5549179 | Cost effective control of the main switches of an elevator drive motor The main disconnects for energizing a drive motor for an elevator may be controlled by a circuit having a safety chain, an inspection device, a circuit board and a coil for the main disconnect wherein the safety chain provides a safe condition signal to t... | 08/27/1996 |