"What, sir, would you make a ship sail against the wind and currents by lighting a bonfire under her deck? I pray you, excuse me, I have not the time to listen to such nonsense."
Napoleon Bonaparte ; When told of the Robert Fulton steamboat
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| Number | Title | Issue Date |
| 5237816 | Steam generator control systems Control systems (or controllers) for once through, unfired steam generators (or boilers) which control a single parameter--the feedwater flow to the boiler--in accord with an energy or enthalpy balance between the hot gases supplied to the boiler and the ... | 08/24/1993 |
| 4989405 | Combined cycle power plant A compact, unfired, staggered tube, once-through steam generator or boiler of simple construction intended primarily for combined cycle power plants in which the thermal energy utilized to generate steam is obtained from the exhaust gases of a gas turbine... | 02/05/1991 |
| 4862372 | Apparatus and methods for generating aircraft control commands using nonlinear feedback gain Altitude rate commands are generated and fed to an aircraft autopilot to cause the aircraft to transition to a non-level flight path which corresponds to a portion of a calculated flight path profile stored in a flight management computer. When capture of... | 08/29/1989 |
| 4842320 | Vehicle exterior sun visor An exterior visor for an automotive vehicle; the visor extending forward over the windshield of the vehicle. The visor includes a number of recessed air vents located in the upper surface of the visor and which are formed by transverse midwalls which are ... | 06/27/1989 |
| 4825374 | Aircraft descent guide system and method for creating descent guidance information An aircraft navigational system includes a digital computer, a first visual output for displaying to an aircrew a geometrical representation of an optimum descent guideslope relative to a symbol representing the location of the aircraft, and a second visu... | 04/25/1989 |
| 4821587 | Depth gauge-analyzer A telescopically collapsible depth gauge-analyzer which has one mode of operation that results in a sample being collected as the device is lowered through a body of the liquid of interest. In a second mode of operation, liquid is not allowed to flow into... | 04/18/1989 |
| 4817976 | Vehicular rain skirts A modular rain skirt assembly (20', 20, 20") for use in reducing the laterally projected component of finely atomized, dense, mist emanating from the running gear of heavy vehicles traveling on rain coated road surfaces and including: one or more generall... | 04/04/1989 |
| 4817422 | Tone injected nacelle for aeroacoustic wind tunnel testing An aeroacoustical test apparatus for evaluating a component. The apparatus includes a primary exhaust generating means which detects a primary gaseous flow through a primary passageway and out the primary nozzle. The apparatus further includes a secondary... | 04/04/1989 |
| 4817382 | Turboprop propulsion apparatus A turboprop propulsion system where there is a core engine driving a power turbine that is connected through a planetary drive transmission to first and second counterrotating propellers. One of the propellers is connected to the ring gear, while the othe... | 04/04/1989 |
| 4817526 | Rolling contact printer with retractable inking wheel A printing device for printing a continuous strip of indicia. The printing device comprises a housing defining a handle and an operating end portion. The operating end portion defines a print wheel cavity adapted to carry a print wheel with an outer circu... | 04/04/1989 |
| 4816952 | Cleaning apparatus for a tape drive machine A cleaning cassette for a tape drive machine wherein a capstan of the machine drives a cleaning portion of the cassette across the magnetic head of the machine. The cassette includes a carriage having two ends which extends across the cassette in the leng... | 03/28/1989 |
| 4815273 | Single propeller turboprop propulsion apparatus There is a core engine having a turbine section which is drivingly connected to a single propeller through a planetary transmission. The core engine provides a substantially continuous, axially aligned gaseous flow path from the inlet to the discharge noz... | 03/28/1989 |
| 4815680 | Nacelle and wing assembly A nacelle wing combination wherein said nacelle can be mounted below the wing and positioned closely to the wing, without creating excessive nacelle induced drag. The wing is contoured so that peak low pressures below the wing occur near the mid chordwise... | 03/28/1989 |
| 4813644 | Telescoping music stand A folding support stand especially adapted to be collapsed into a compact unit for storage or transport. The support stand comprises one or more main support members which interfit in slideable telescopic relationship with one another. Positioned circumja... | 03/21/1989 |
| 4809497 | Gas turbine engine/load compressor power plants Single shaft, air breathing auxiliary power units having a single stage centrifugal load compressor driven by a gas turbine engine. The latter has a single stage centrifugal compressor and a single stage radial inflow turbine mounted in back-to-back relat... | 03/07/1989 |
| 4809484 | Balloon stuffing system A balloon stuffing system (25, 25', 25", 25'") including a tubular member (26) open at one end (28) thereof and defining a chamber (31) capable of receiving the object (49) to be stuffed into a balloon (50); an ejector rod (29) passing through the opposit... | 03/07/1989 |
| 4809483 | Low cost balloon stuffing system A balloon stuffing system (25, 25') including a tubular member (26) open at one end (28) thereof and defining a chamber (31) capable of receiving the object (34) to be stuffed into a balloon (35); a hollow, tubular, piston-like ejector rod (29) passing th... | 03/07/1989 |
| 4809395 | Canister type vacuum cleaner Canister type vacuum cleaners having a casing with convex sides which allow the vacuum cleaner to be pulled or otherwise displaced along a supporting surface irrespective of which side of the surface is facing downwardly and engaging that surface. A rolle... | 03/07/1989 |
| 4811149 | Method and apparatus for cleaning operating components of a video player/recorder A cassette cleaner adapted to be positioned in a cassette receiving recess of a video player/recorder. A cleaning ribbon is mounted in the cassette cleaner, and guide members of the video player/recorder carry the cleaning ribbon outwardly into cleaning e... | 03/07/1989 |
| 4808946 | Lightweight, high power audio amplifier and power supply An audio amplifier and power supply having a power transformer with power supply and control means to provide pulses of electrical energy at a substantially constant supply voltage, with the duration of the pulses being dependent upon a value that is rela... | 02/28/1989 |
| 4803747 | Orthotic and method of making of the same A relatively rigid cap is made of a material which is deformable at moderately elevated temperatures. A flexible blank contoured to fit a person's foot is placed against the cap which is at the elevated temperature, and these two are placed against the pl... | 02/14/1989 |
| 4803733 | Loudspeaker diaphragm mounting system and method A loudspeaker diaphragm mounting system where there is a perimeter frame to which is mounted a planar flexible diaphragm having electrically conductive elements thereon. The frame has two perimeter sections which have matching perimeter grooves to receive... | 02/07/1989 |
| 4800657 | Variably adjustable shoe insert Disclosed herein is an insert for a shoe, boot, or the like which is capable of plural adjustments so as to adapt the insert to the unique physical conformation of the wearer's foot, to hold the foot in a neutral axis position substantially at all times, ... | 01/31/1989 |
| 4798530 | Nozzle assembly for hot air torch A nozzle assembly for use in a hot air torch wherein the hot air torch utilizes a source of compressed air and a source of gaseous fuel. The hot air torch has a handle portion which holds a first pipe carrying pressurized air and a second pipe carrying pr... | 01/17/1989 |
| 4796634 | Methods and apparatus for monitoring cardiac output A method and apparatus for ascertaining the cardiac output of a human patient, said method comprising the steps of: measuring the systolic velocity of the blood flowing through the patient's descending aorta; determining the cross-sectional area of the pa... | 01/10/1989 |
| 4792906 | Navigational apparatus and methods for displaying aircraft position with respect to a selected vertical flight path profile An aircraft navigational system for providing a geometic display to the pilot of the vertical position of the aircraft relative to a selected vertical flight path profile as the aircraft progresses between its departure and destination. The vertical profi... | 12/20/1988 |
| 4790421 | Roller assembly A roller assembly to be used to support cargo which is being moved over a floor surface. The assembly comprises an elongate horizontally disposed mounting member with roller units mounted thereto. Each roller unit comprises an outer roller member, two sup... | 12/13/1988 |
| 4788855 | Test apparatus for measuring jet engine thrust Apparatus for simultaneously measuring the torque generated by a bladed turbofan engine as well as the forward force generated by gases exhausted from the turbofan engine in order to calculate total thrust. The apparatus includes a cradle for suspending t... | 12/06/1988 |
| 4788775 | Dryers and control systems therefor Dryers with a timed drying cycle of user selectable duration and a continuous drying cycle which is terminated only upon receipt of an input from the user of the dryer. An optional module allows the user to select the maximum temperature wanted in the dry... | 12/06/1988 |
| 4787577 | Closure systems Closure systems particularly intended for high speed aircraft and designed with an inwardly opening closure which can be removed during flight. A wheel or roller is provided at the bottom of the closure so that it can be readily moved to an out-of-the-way... | 11/29/1988 |
| 4783911 | Skate boot assembly A skate boot assembly comprising a main skate boot member, a bladder positioned within the boot member, and an orthotic insert positioned within the bladder. The orthotic insert is formed with two downwardly extending protrusions which fit in recesses for... | 11/15/1988 |
| 4777810 | Latching assembly with panic release A latching assembly having a retractable latch bolt and a slide bar which retracts the latch bolt by moving either forwardly or rearwardly from an intermediate position. The latching assembly has a rotatably mounted locking rod that rotates 90° between a... | 10/18/1988 |
| 4778078 | Vacuum insulated shipping container and method An insulated vacuum container comprising inner and outer wall sections, with each wall section made up of a skeletal frame, with membranes enclosing each frame. The membranes of the outer wall section curve inwardly, while the membranes of the inner secti... | 10/18/1988 |
| 4775052 | Container rack A container rack for lockably storing and organizing containers equipped with lockable closure members, particularly bank night deposit bags with lockable zippers. A first container support having a first rod element is fixed to a base support and is adap... | 10/04/1988 |
| 4773816 | Apparatus and methods for engaging a workpiece Inbound and outbound parallel conveyors carry parts supported on a screen tray engaged by the conveyors. The parts are conveyed to a station on the inbound conveyor line where a substance is applied to a first portion of the parts. The parts are then conv... | 09/27/1988 |
| 4771717 | Rudder for a water vessel A rudder assembly which includes a frame formed by upper and lower horizontal flanges which are connected to a rudder post. A pair of parallel vertical sidewalls are connected to the upper and lower flanges, and a main rudder blade is connected to the upp... | 09/20/1988 |
| 4771576 | Apparatus and methods for finishing a level surface Apparatus for abrading the surface of a workpiece in a manner level with a selected reference plane, e.g. a horizontal reference plane. The apparatus includes a wheeled carriage to which is connected an elongated boom. Extending downward from the end of t... | 09/20/1988 |
| 4770766 | Time-controlled processes for agglomerating coal Methods of recovering agglomerated particles of a carbonaceous constituent such as coal from a composite of that constituent and mineral matter. An additive is incorporated into a slurry of the composite to control the agglomeration time and/or to insure ... | 09/13/1988 |
| 4769935 | Visible index system with improved hanger A wire hanger for removably affixing the pocket card of a visible index system to a card-supporting frame, tray, or other holder. The hanger has a rectilinear main body portion and integral loops at the opposite ends of that portion. Each loop has two sid... | 09/13/1988 |
| 4770672 | Lapping compound and method for using same A lapping compound including an abrasive, a detergent and a carrier. The lapping compound is mixed with a lubricating agent and applied to a workpiece surface. The most preferred abrasives are silica for softer metals, and a combination of silica and garn... | 09/13/1988 |