U.S. patents available from 1976 to present.
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Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.

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Assignee: Lockheed Aircraft Corporation


Location: Burbank, CA
No. of patents: 46

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NumberTitleIssue Date
4222039Modular panel of tungsten light switches with current limiting indicating, and switching capability
A modular panel of dual filament tungsten lamp switches with current limiting, fault indicating, continuous lamp filament testing, and remote control switching capabilities. In one embodiment, the dual filament, self monitoring tungsten lamps are mounted ...
09/09/1980
4180222Aileron segment control for a flaperon system
An improved control system for the aileron segment of a combined flap and aileron (flaperon) wherein the flaperon, supported, extended and retracted by conventional means, is described. It consists of a splined shaft rotatably mounted on an aircraft wing,...
12/25/1979
4161650Self-powered fiber optic interconnect system
A self-powered fiber optic interconnect system in which electrical output from data transmitting equipment is converted in a transmitter unit to optical signals in a fiber optic cable for transmission to a receiver unit for reconversion to electrical sign...
07/17/1979
4149999Antistatic liquid media, and method, for the controlled transport of microscopic particles
An antistatic liquid, and method of use thereof, comprising an ionizable electroconductive polymer, an alcohol and a suitable solvent, for suppressing electrostatic charges which might otherwise develop in certain procedures relating to the manipulation a...
04/17/1979
4143410Electric power system control utilizing low level signals and miniature gage wiring
Control circuit system wherein low level signals are delivered through small (miniature) gauge control conductors to remote control circuit breakers to control connection of load devices to load bus through use of solid state circuitry. Such control may b...
03/06/1979
4126659Method of making a hollow article
The invention relates to a method and apparatus for making hollow, resin-impregnated fibrous fabric articles. Specifically, it relates to a method wherein a reusable mandrel is made sufficiently rigid to receive a lay-up of the article to be manufactured....
11/21/1978
4112363Multicontact test probe apparatus
A test probe apparatus having a housing movable into engagement with a printed circuit device connected to a circuit board with a plurality of electrical contact members extending at various angles to the circuit board, and a plurality of contact probes m...
09/05/1978
4109750Zeno duct sound attenuating means
A broadband sound attenuating, acoustically lined, duct of varying cross-sectional shape but in the usual case having a constant cross-sectional area, and wherein the duct liner is configured to maintain an essentially constant acoustic resistance and sca...
08/29/1978
4110809Solid state power controller with low level signal control
Power controllers comprising solid state elements responsive to control signals of low power from a remote control location selectively close and open relatively high power circuits to load devices, and including logic circuitry for opening selectively cl...
08/29/1978
4107530Infrared acquisition device
An infrared acquisition device is described which surveys a relatively large field of view in which an emissive target is likely to appear. An optical system focuses an image of the target onto a mosaic of separate detectors arranged in concentric fields ...
08/15/1978
4106013Electric power control system with load management programming
Low level control circuitry for controlling a plurality of spaced electrical load devices in an airplane is provided with parallel logic operable to provide for simultaneous manual or condition-responsive dropping of a preselected plurality of said load d...
08/08/1978
4104620Dual filament current limiting and status indicating circuit
A status indicating and current limiting circuit includes a pair of lamp filaments connected in parallel to provide a high reliability for status indication of a monitored switch. The circuit indicates the status of the lamps as well as the open or closed...
08/01/1978
4100586Tungsten lamp circuit for current limiting and fault indication
A current limiting and fault indicating circuit for connection between a load and a source of electrical current including a pair of tungsten lamp filaments connected in parallel. The lamp filaments are chosen so that the current drawn by the load during ...
07/11/1978
4088053Cavity rivet assembly
An assemblage of a rivet for securing at least a pair of sheets or other members, wherein the rivet is formed with a cavity in its upset end of predetermined dimensions with respect to the sheets and the remainder of the rivet. The cavity preferably termi...
05/09/1978
4067286Hydro-ski craft with longitudinal flaps
A hydro-ski craft in which load alleviation is attained by reducing the effective wetted area of the planing surfaces at high speeds, and in which elongated flaps extending longitudinally of the craft are mounted to swing about longitudinal axes between g...
01/10/1978
4055975Precision forging of titanium
A process of precision forging of titanium or a titanium alloy in which the forging stock and a segmented die are first heated to forging temperature while separated, and are then assembled together and heated again to that temperature, with the stock bei...
11/01/1977
4053667Stiffened structural laminate and method of molding laminate with stiffener beads
A novel stiffened structural laminate formed by contacting at least one layer of a curable resin-impregnated fabric with at least one strip of cellular honeycomb core, disposing another piece of said curable resin-impregnated fabric over said strip of cor...
10/11/1977
4049221Relief of inter-compartment differential pressure in aircraft
Apparatus for equalizing the pressure between two compartments of an airplane in the event of sudden depressurization of one of the compartments, and including a closure panel disposed across an opening between the two compartments and functioning as eith...
09/20/1977
4040334Missile launcher for aircraft
A mechanism rapidly and repetitively launches missiles from inside an aircraft during flight. One or more missiles are carried and launched through a tube protruding through the front of the aircraft thus obviating the necessity for bomb bay or other size...
08/09/1977
4039454Fluid separation device for low temperature environments
A device for separating, in an ice environment, fluids having differing physical properties which combine an oleophilic pick-up device with a rotating tumbler mechanism which tends to agitate and propel oil coated pieces of ice rearward and along a perfor...
08/02/1977
4038786Sandblasting with pellets of material capable of sublimation
Effective utilization of pellets of material capable of subliming under conditions of use in a sandblasting process in which such pellets are propelled against a surface by a stream of pressurized gas requires careful control of a number of interrelated f...
08/02/1977
4025230Advanced control system for a rotor and/or a compound or rotary wing vehicle
The control system includes a sensing mechanism by which a true pure signal from flapping bending activity resulting from an external load force on a rotor blade in a rotor system is generated and fed back to a gyroscope which then precesses to return a c...
05/24/1977
4024383Method and system for navigation employing incremental range difference
A navigation method and system suitable for highly accurate all-weather navigation of vehicles such as ships and aircraft. An initial position of the vehicle relative to a plurality of known points each located at predetermined geographic positions is fir...
05/17/1977
4018084Acoustic emissions simulator
This device generates a simulated acoustic emission signal and simultaneously introduces the signal into a test article. The device provides a means for positioning precision brittle tubes or rods against the test article in a controlled fashion. A simula...
04/19/1977
4015035Method of forming fiber-reinforced epoxy composite joints, and product thereof
An improved manufacture including a fiber-reinforced epoxy composite joint, and the method for producing same, in which the fibers of each of the composite adherends pass through and are intermeshed across the joint bondline. A scarfed mating surface is p...
03/29/1977
4011724Dual force actuator
Actuator for selectively and sequentially providing dual pressure forces for positioning and seating fasteners and for other purposes. Air pressure is selectively applied to a first piston to apply a relatively low level of hydraulic pressure to the actua...
03/15/1977
4012012Supplemental oil system for engines
An oil replenishment system provides a remote reserve oil tank and the plumbing necessary to fill the main oil tank or tanks of engines, especially aircraft engines during flight. This system includes apparatus to determine the quantity of oil pumped to a...
03/15/1977
4010637Machine vibration monitor and method
An accelerometer senses a machine's vibration resulting from unbalance of its internal rotors and outputs an electrical signal which is then conditioned by means of an amplifier and uniform level filter. The resulting output signal has individual vibratio...
03/08/1977
4007540Method for fabricating a cavity rivet assembly
An assemblage of a rivet for securing at least a pair of sheets or other members, wherein the rivet is formed with a cavity in its upset end of predetermined dimensions with respect to the sheets and the remainder of the rivet. The cavity preferably termi...
02/15/1977
4004763Articulated high "G" pilot S seat
An articulated high "G" force aircraft seat which is movable between a conventional upright position and a reclined position. As described, the head and eyes remain in a relatively stationary position without affecting instrument monitoring or external vi...
01/25/1977
3999728Escape vehicle with fly-away capability
An escape capsule integrally designed within a parent aircraft and having a fly-away capability throughout the entire speed range of the parent aircraft. The capsule utilizes segments of the leading edges of the aircraft wings to provide flight capability...
12/28/1976
3998176Hydro-ski craft
A ski-type water borne craft adapted to plane along the surface of a body of water and having two stabilizing elements spaced laterally apart and mounted for upward and downward movement relative to one another in a relationship providing roll forces and ...
12/21/1976
3986228Grommet
A one-piece molded grommet for routing a cable inserted therethrough and to protect the cable from bending, cutting and foot traffic. A cavernous tab or foot in the form of a split sleeve portion disposed in a first plane is attached to a vertically orien...
10/19/1976
3968604Erectable shelter structure and method of erection
A portable, relocatable, erectable building or shelter structure, and method of erecting, utilizing a pair of laterally spaced elongated and segmented base rail assemblies to which are pivotally connected a pair of erectable arch assemblies for each row o...
07/13/1976
3962393Method for making a hollow laminated article
A method is disclosed for fabricating in a single stage hollow polymeric article of manufacture from a flexible fibrous material, regardless of the degree of complexity of the laminate. The material is applied to a hollow flexible envelope which includes ...
06/08/1976
3960004Method for measuring impedance
Apparatus and method for measuring the impedance of oscillatory systems, or elements of such systems, which exhibit nonlinear behavior at high excitation amplitudes. Excitation of the element being tested, which element may be either acoustical, electrica...
06/01/1976
3956731Detection apparatus for structural failure in aircraft employing piezoelectric transducers
The strain energy that is released when a structural member fails is emitted, among other ways as a broad frequency acoustic emission which is detected by a piezoelectric crystal sized for a preselected natural frequency. This piezoelectric crystal conver...
05/11/1976
3956673Printed circuit modules cooled by rack with forced air
An improved cooling system wherein printed circuit cards are made into modules of two cards each with an enclosed space between them inside the module. The modules cooperate with a rack which carries air passages, and upon connection of the module into th...
05/11/1976
3954693Coating
A novel improved urethane, urethane coating formed of epxoy resin and polyisocyanate for metallic or non-metallic substrates and the like exhibits improved resistance to blistering under high moisture conditions. The coating includes an epoxy resin having...
05/04/1976
3950058Programmable wiring system and junction box for use therein
The invention discloses a new method of interconnecting a wiring system with an electrical junction box system. The junction box may be interfaced with the input wiring to the box by means of commercially available connectors. Internal wiring within the b...
04/13/1976
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