Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 5594346 | Apparatus and methods for identifying and quantifying compounds using a plurality of pulsed rare gas photoionization detectors A pulsed discharge photoinoization detector is set forth which comprises a plurality of closed chambers for receiving different types of carrier gas flowing there through between inlets and outlets. The carrier gases are exposed to a pair of electrodes fo... | 01/14/1997 |
| 5367310 | Fiber optic antenna radiation efficiency tuner A system for switching an antenna formed of multiple connected segments is set forth. The various segments are connected together by a switch means having, in the preferred embodiment, one or more FETs; a gate controlled terminal is connected with a bias ... | 11/22/1994 |
| 5345828 | Process plant sample collection system and method A method and apparatus for obtaining a sample from a on stream plant operation is set forth. In a process plant, with a small pressure differential, fluid flow is provided through an inlet line and surplus is returned through an outlet line connected with... | 09/13/1994 |
| 5320180 | Dual antenna radio frequency locating apparatus and method The present method and apparatus are directed to river crossings and the like. A horizontal drilling rig is set up and drills under a body of water or the like. Angular measurement sensors carried at the drill bit provide data periodically which is transm... | 06/14/1994 |
| 5321410 | Adaptive doppler DF system In an antenna array of N elements in a circle around a large through mast, direction finding capabilities are enhanced for an incoming signal where fewer elements are needed compared to standard quasi-Doppler or pseudo-Doppler methods. Azimuth detection t... | 06/14/1994 |
| 5317271 | High voltage spark excitation and ionization detector system with adjustable sample input for sensitivity control A sample is loaded along with a carrier gas into a column. The column discharge is introduced into a chamber downstream of spaced electrodes which create a pulsed DC spark. The spark produces a spectral emission and a metastable carrier gas dispersion tha... | 05/31/1994 |
| 5308204 | Wall plug type fastener A wall plug type fastener comprises an elongate anchor body having arm members extending radially from the anchor body. Brace members provide support for the anchor body and permit distribution of load forces applied to the anchor. Anti-rotational flanges... | 05/03/1994 |
| 5307830 | Flow distribution method and apparatus reducing downstream turbulence A flow distribution method and apparatus is set forth for reducing noise and vibration immediately downstream of a noise creating device such as a partially open or closed valve element. Partially open valve elements typically create a quarter moon distri... | 05/03/1994 |
| 5300441 | Method for measuring and determining nitrogen content in a sample and providing an output data of total nitrogen and selected constituent nitrogen compounds including nitrate and nitrite A method for analyzing total bound nitrogen in a sample and providing an output data of total bound nitrogen and constituent compounds (nitrate and nitrite) is disclosed. The total nitrogen bound method provides a discrete sample through a furnace in the ... | 04/05/1994 |
| 4737243 | Method for decoloration of triethylenetetramine (TETA) A method of removing color from crude triethylenetetramine (TETA) is disclosed. In the preferred procedure, acid treated clay or acidic form zeolite are mixed with the TETA at elevated temperatures. After several hours exposure, the TETA is distilled to o... | 04/12/1988 |
| 4701520 | Sterospecific catalyst for the preparation of poly (1,2-butylene oxide) This invention discloses a unique catalyst for the simultaneous sterospecific preparation of high and low molecular weight isotactic poly 1,2-butylene oxide and a method of preparation of that catalyst from butylene oxide monomer and iron chloride.... | 10/20/1987 |
| 4638102 | Recrystallization of bisphenol A by azeotropically drying the solvent This invention discloses a high yield azeotropic separation procedure for isomers of bisphenol A. Specifically, the o,p'-isomer is separated from the p,p'-isomer by removal of a cosolvent thus producing crystallization. Water and an organic solvent not mi... | 01/20/1987 |
| 4224687 | Pressure pulse detection apparatus incorporating noise reduction feature An improved apparatus is disclosed for use in a measuring while drilling apparatus which forms a pressure pulse promulgated from a downhole location upwardly through the drill string and column of mud therein. This apparatus includes a mud line section ad... | 09/23/1980 |
| 4224629 | Disc chart paper with reinforced separating edge For use in recording data on chart paper mounted on a timer driven and operated, rotatable clock mechanism, improved chart paper is disclosed which incorporates a disk of paper having a writing surface thereon adapted to receive markings indicative of a m... | 09/23/1980 |
| 4207572 | Sky wave DF antenna system A sky wave DF antenna system is disclosed. It is able to respond to an incoming transmitted signal and define the direction of the transmitter. It utilizes six or more simple loops connected and arranged to form a spaced loop antenna system which indicate... | 06/10/1980 |
| 4204112 | Bidirectional presettable odometer A bidirectional odometer having preset features is disclosed. It further includes means for scaling the rate of counting. It incorporates a set of three, four, five or six decade gears of counting gears having numeric indicators thereon and a variable inp... | 05/20/1980 |
| 4198889 | Modulation circuitry for use in a music encoding system An apparatus for encoding data representative of keyboard music is disclosed. In the preferred embodiment, the data source is a keyboard which is played by a musician which incorporates a set of switches forming key closures. The closures themselves repre... | 04/22/1980 |
| 4197733 | Pressure test apparatus Pressure test apparatus for testing heat exchanger tubing is disclosed, and the preferred embodiment includes pressure inlet and pressure outlet means for connecting to the open ends of heat exchanger tubing. The apparatus utilizes a quick disconnect mech... | 04/15/1980 |
| 4196654 | Pressure operated valve actuator A pressure operated valve actuator is disclosed. In the preferred embodiment, fluid under pressure is introduced at either end to actuate the device. The device includes a cylindrical body having top and bottom end caps which close the body. On the interi... | 04/08/1980 |
| 4193332 | Music synthesizing circuit A music synthesizer is disclosed. In the preferred embodiment, it cooperates with a tone source, such as a conventional or traditional music instrument, to form a synthesized output. The output can be voiced to provide music shaped and modified to a desir... | 03/18/1980 |
| 4186631 | Threading apparatus for a standard engine lathe An apparatus for threading a work piece on a standard engine lathe is disclosed. In the preferred embodiment, the apparatus utilizes an accessory supporting the cutting point on the cross feed of the carriage with a proximity linkage. The proximity linkag... | 02/05/1980 |
| 4184545 | Measuring and transmitting apparatus for use in a drill string Measuring and transmitting apparatus is the subject matter of the preferred embodiment which comprises an elongate tubular member functioning as a drill collar and adapted to be placed in a drill string. The apparatus utilizes a mud driven motor, while th... | 01/22/1980 |
| 4180285 | Articulated ball connector for use with pipeline An improved articulated ball connector for use with pipelines as disclosed. In the illustrated embodiment, a sphere is attached to the end of a pipeline. A collar is fitted about the sphere. The collar has a surface contoured to match the surface of the s... | 12/25/1979 |
| 4173363 | Adaptor assembly for fittings and connective lines of differing sizes An adaptor assembly is disclosed in two embodiments. Each embodiment is for connecting a tubing to a fitting of different size. The alternate embodiment is similar to the first embodiment except that it cooperates with a male fitting as opposed to a femal... | 11/06/1979 |
| 4166972 | NMR discrimination apparatus and method therefor A method and apparatus for enhanced nuclear magnetic resonance (NMR) discrimination and detection is disclosed. In the preferred embodiment, a sample which has a first atomic element is placed in a magnetic field of a first intensity. A reaction between t... | 09/04/1979 |
| 4158630 | Chromatographic multi-sample valving apparatus Apparatus for delivering different samples to a liquid chromatograph is disclosed. The valving apparatus includes a commutated valve having N loops, where N is a whole number integer. The loops are isolated from one another. Selected loops are cycled by r... | 06/19/1979 |
| 4145944 | Guitar pick-up apparatus A pick-up for attachment to a guitar or the like is disclosed. The pick-up comprises an elongate flexible body having a thin, lower, magnetic base which affixes to the body of the guitar with an adhesive, the base comprising a sheet magnet. The sheet magn... | 03/27/1979 |
| 4140958 | Battery charging apparatus A battery charging and analyzing apparatus for a nickel-cadmium battery is disclosed. The equipment utilizes a type of solid state resistor formed of a plurality of paralleled emitter follower transistors which are collectively a load for a Ni-Cid battery... | 02/20/1979 |
| 4137759 | Belt tension indicating apparatus An apparatus is disclosed for measuring the tension in a belt. The preferred embodiment incorporates a housing which is adapted to be momentarily attached to a belt. As the belt tension is varied, the device indicates the change in tension. This is achiev... | 02/06/1979 |
| 4130473 | Electrode structure for use in metal in exchange apparatus useful in purifying spent acids and the like An improved electrode is disclosed. The electrode is formed of an ion electrical permeable acid proof microporous sheet material which is impermeable to water molecules, the microporous material being supported mechanically on opposing faces by a nonwoven... | 12/19/1978 |
| 4127297 | Releasable overshot A wireline operated overshot is disclosed. In the illustrated embodiment, the overshot includes a grapple which is located internally of a sleeve telescoped about it having a tapered internal shoulder. The grapple engages and disengages a fish. In the eve... | 11/28/1978 |
| 4127360 | Bumpless pump apparatus adjustable to meet slave system needs Pumping apparatus which incorporates connected piston type positive displacement, slip free pumps is disclosed. They provide pumped outputs at a common displacement rate. They run out of phase to one another so that while one is pumping, the other is able... | 11/28/1978 |
| 4122975 | Nail separator apparatus The disclosed apparatus incorporates a generally rectangular framework for assembling a set of parallel rods defining adjacent grooves. The apparatus receives and stores a supply of nails in a container. The nails emerge from a storage container and drop ... | 10/31/1978 |
| 4113038 | Drilling jar A drilling jar to be installed in a set of drill collars in a drill string is disclosed. In the illustrated embodiment, first and second tubular members telescope relative to one another. At the upper end of the lower tubular member, a set of protruding l... | 09/12/1978 |
| 4109777 | Ticket printer A ticket printer is disclosed. A motor equipped with a centrifical speed governor, opposing ticket rollers and ticket transport tray rolls a blank, multipage ticket form past seven needle printing heads which are solenoid actuated and two sequencing switc... | 08/29/1978 |
| 4109940 | Coupling apparatus For use in connecting first and second pipes, an apparatus which incorporates an external sleeve adapted to be abutted against a flange and positioned about a first pipe and enclosing oppositely facing sets of tapered slips. The slips incorporate serratio... | 08/29/1978 |
| 4108346 | Alignment clamp An alignment clamp is disclosed for uses such as welding adjacent plates. The clamp utilizes a strap which passes through a gap between the adjacent plates. The strap is attached at one end by a plate like clamp member which is to be located on one side o... | 08/22/1978 |
| 4106581 | Vehicle utilizing cryogenic fuel A cryogenic fuel powered vehicle is disclosed. A cryogenic fuel, such as liquid nitrogen or other liquified gases, is stored in a container at a selected pressure. The apparatus includes a suitable container, a heat exchanger for adding heat to the cryoge... | 08/15/1978 |
| 4103739 | Sand release apparatus for a pump In oil wells which utilize a reciprocating pump installed in a tubing string, an apparatus is disclosed which has the preferred form of a pair of telescoped tubular members threaded into the pump just above the lower end where sanding locks the pump. The ... | 08/01/1978 |
| 4098359 | Hydraulically operated downhole motor A hydraulic motor for use in a drill string is disclosed. The motor incorporates a closed hydraulic system having a piston exposed to variations in mud flow pressure. The piston reciprocates and by its movement pumps hydraulic fluid in a closed hydraulic ... | 07/04/1978 |
