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| Number | Title | Issue Date |
| 6142637 | Night vision goggles compatible with full color display A night vision aid such as night vision goggles (13) is made compatable with a local full color display (17) by blocking local display light from being received by the night vision aid (13). A circular polarizer (23) of one left/right sense is positioned ... | 11/07/2000 |
| 4868915 | Keyless entry system having remote marker for motor vehicles A keyless entry system has means for defining an interrogation zone. A marker responsive within the interrogation zone to generate a coded signal cooperates remotely with means for disengaging a locking mechanism upon verification of the coded signal when... | 09/19/1989 |
| 4835971 | Adjustable non-piloted air blast fuel nozzle A fuel nozzle for injecting atomized fuel inot an air stream at an adjustable angle with respect to its longitudinal axis is described incorporating a support flange, a fuel supply tube, a nozzle tip body at the end of the fuel supply tube and a sheath be... | 06/06/1989 |
| 4817765 | Backing plate assembly for a drum brake A backing plate assembly for a drum brake includes a first part adapted for attachment to a vehicle frame and a second part releasably coupled to the first part. The second part is made of a material that effects substantial noise reduction in the assembl... | 04/04/1989 |
| 4778270 | Spectral optic temperature sensor The invention is a temperature sensor which uses the variation in the critical angle between two optically transparent media, at least one of which has an index of refraction variable as a function of temperature, to variably refract and reflect portions ... | 10/18/1988 |
| 4771605 | Reinforced master cylinder with integrally molded cylinder liner and reservoir A master cylinder assembly (10) and method for manufacturing the same includes a housing 12 for movably receiving a pair of pistons (32, 34) which cooperate with seals (28, 30) to communicate fluid pressure to respective brake circuits during braking. A r... | 09/20/1988 |
| 4772443 | Thermally formed filter A fluid filter is formed by manufacturing an air laid batt containing randomly disposed structural fibers and a thermoplastic binder fiber. The interstices between the fibers are fixed by applying a latex resin to the batt, thereby fixing the pore sizes o... | 09/20/1988 |
| 4770471 | Deceleration and pressure sensitive proportioning valve assembly with braking torque adjustability A proportioning valve assembly (10) in a housing (12) is pressure responsive to control the flow of fluid to a wheel brake. A proportioning valve (20) is disposed within a chamber (26) having an inlet (33) and outlet (114), the inlet (33) receiving pressu... | 09/13/1988 |
| 4767699 | Diagnostic reagent, kit and method employing polynucleotide displacement, separation, enzymatic cleavage and adenosine phosphate detection A reagent complex is disclosed containing (1) a probe polynucleotide having a target binding region complementary to a target nucleotide sequence and (2) a signal strand polynucleotide bound by base pairing to a portion of the target binding region. The s... | 08/30/1988 |
| 4766062 | Displacement polynucleotide assay method and polynucleotide complex reagent therefor A diagnostic reagent is disclosed containing a complex of a probe polynucleotide (P) bound via purine/pyrimidine hydrogen bonding to a labeled polynucleotide (L). The probe (P) contains a target binding region (TBR) capable of binding to a target nucleoti... | 08/23/1988 |
| 4766064 | Displacement polynucleotide assay employing polyether and diagnostic kit A diagnostic reagent is disclosed containing a complex of a probe polynucleotide (P) bound via purine/pyrimidine hydrogen bonding to a labeled polynucleotide (L). The probe (P) contains a target binding region (TBR) capable of binding to a target nucleoti... | 08/23/1988 |
| 4765881 | Heated 02 sensor having isolated ground An oxygen sensor (24) having an electrolyte member (72) with a thimble that is held in a metal shell (30) by an insulating member (56). The thimble has an external surface (80) and internal surface (82) that are coated with a conductive material. A sleeve... | 08/23/1988 |
| 4764907 | Underwater transducer An underwater sonar transducer includes a centrally located beam with a plurality of stacks of piezoelectric transducer elements extending from each side, with a rigid end beam at the opposite end of each stack. A plurality of bolts extending from one end... | 08/16/1988 |
| 4758054 | Braking system anti-lock modulator configuration A control valve assembly for use in an anti-lock braking system wherein a 3-way isolation valve normally connects a wheel cylinder to a master cylinder and isolates that wheel cylinder(s) from the master cylinder and simultaneously connects the wheel cyli... | 07/19/1988 |
| 4758051 | Proportioning control valve with spring biased control piston A proportioning control valve for a fluid pressure braking system for a tractor-trailer combination vehicle permits unproportioned communication of control pressure when the tractor is pulling a trailer but proportions communication of control pressure wh... | 07/19/1988 |
| 4757851 | Flexible locking member for a wheel rim flange retaining ring assembly A wheel rim assembly (10) includes a first bead flange and a separable second bead flange (16), the separable second bead flange (16) being maintained on the rim assembly (10) by a separated retaining ring assembly (20). Each terminal end (22) of the reta... | 07/19/1988 |
| 4753487 | Failure switch for braking system proportioning valve The invention is a hydraulic failure compensating switch which incorporates a differential pressure valve which responds to a hydraulic failure in one of a pair of vehicle braking circuits and altering the pressure reducing function of the braking system ... | 06/28/1988 |
| 4751985 | Compact brake piston-return mechanism The compact brake piston-return mechanism (10) comprises a housing (22) having a bore (40) with a longitudinal sleeve (50) received fixedly in said bore (40). The sleeve (50) has a through opening (56) receiving therein a piston (60) which extends exterio... | 06/21/1988 |
| 4750256 | Method of assembly of an O2 sensor A method of assembling a heated electrochemical sensor (24) for use in sensing exhaust gases in an internal combustion engine (16). A tubular electrolyte member (72) having a closed end (74) is insulated from a metal shell (30). The external surface (80) ... | 06/14/1988 |
| 4751685 | Current feedback driver and method A cable driver and method for an underwater telemetry transmitter puts a signal on a single insulated wire forming part of a cable pack in which the wire is coiled and which is connected to a surface transmitting unit. The underwater transmitter includes ... | 06/14/1988 |
| 4749238 | Electronically controlled fluid pressure braking system An electronically controlled fluid pressure braking system for a heavy duty vehicle includes an operator controlled mechanism which generates independent brake pressure command signals, each of which are transmitted to separate auxiliary controllers. Each... | 06/07/1988 |
| 4748193 | Friction material A composition of matter for use as a friction material having soft malleable metallic (zinc) powder therein to attenuate low frequency vibrations that produce undesirable noise during a brake application.... | 05/31/1988 |
| 4747953 | Composite membranes based on interpenetrating polymer networks Semipermeable composite membranes which comprise an interpenetrating polymer network of the isocyanate-capped polymer which is the reaction product of a polyether and an isocyanate with a copolymer containing at least two saturated or unsaturated heterocy... | 05/31/1988 |
| 4745751 | Master cylinder with fast fill valving mechanism The master cylinder (10) comprises a housing (12) having a longitudinal bore (14), a housing end (16) enclosed by a bearing member (18) which retains a sleeve member (20) within the bore (14), a reservoir (70) mounted on the housing (12) and a pair of pis... | 05/24/1988 |
| 4745553 | Method and apparatus for optimizing the operation characteristics of an engine An engine control method and apparatus for optimizing an operating condition of an engine. A plurality of engine variables are determined and operated upon to direct the control of engine effectors so as to place the engine in an optimum operating conditi... | 05/17/1988 |
| 4743701 | Process for the preparation of organo N-hydroxyimidates Organo N-hydroxyimidates are prepared by reacting an organonitrile with an organic alcohol and with a hydrogen halide, in the presence of an organic solvent (which may include an excess of the organonitrile reactant), under anhydrous conditions, to form t... | 05/10/1988 |
| 4742465 | Control system for doser actuator having improved resolution The invention is a control system for generating time modulated pulse signals to effect movement of a doser type actuator. The control system is characterized in that it includes an augmenter circuit which generates a first correction signal additive to s... | 05/03/1988 |
| 4738186 | Diaphragm for a servomotor A diaphragm (32) for a servomotor which separates the interior of first (12) and second (14) shells into first (18) and second (20) chambers. The diaphragm (32) has an external bead (30) with first rib (31) having first (40) and second (42) sealing surfac... | 04/19/1988 |
| 4738163 | Multi-speed accessory drive A multi-speed accessory drive employing a planetary gear reduction set. A cone clutch linked to an output member, a ball ramp actuator for moving the cone clutch into engagement with the output member and a brake for selectively controlling the rotation o... | 04/19/1988 |
| 4738595 | Hydraulic pump with integrated sump and accumulator A hydraulic pump assembly includes a housing having a bore, and a sump piston, a pump piston and an accumulator piston received coaxially within the bore. The pistons respectively define a sump chamber, a pump chamber, and an accumulator chamber within th... | 04/19/1988 |
| 4737340 | High performance metal alloys High performance metallic alloys which possess desirable characteristics such as high electrical conductivity, high strength, lightness, high thermal stability, etc. may be prepared by admixing three metals or metalloids by mechanical means. The process w... | 04/12/1988 |
| 4736990 | Pressure limited differential pressure switch A differential pressure switch includes a housing which carries a switch assembly which is actuated by movement of a differential pressure responsive piston slidable within the housing. The piston shifts in response to pressure differentials between the p... | 04/12/1988 |
| 4737119 | Circular connector A circular connector for a plug-type connection to a mating connector which uses complementary locking means that are engaged and disengaged by rotation. Helical locking grooves are provided which have a bayonet detent space extending in an axial directio... | 04/12/1988 |
| 4736989 | Dual deceleration and pressure-sensitive proportioning valve A dual proportioning valve assembly (10) for a vehicle braking system comprises a housing (12) having a pair of inlets (29, 30) and outlets (31, 32), a bore (25) within the housing (12) containing a pair of oppositely disposed differential pistons (40, 14... | 04/12/1988 |
| 4736992 | Anti-lock braking system utilizing booster supply for improved braking in specific failure modes The present invention is a failure mode detection system for use in an anti-lock braking system which comprises a network of fluid level and fluid pressure responsive switches and logic circuitry connected to detect and analyze operating parameters of the... | 04/12/1988 |
| 4735691 | Method for operating electrochemical detector cell The method of operating a two electrode electrochemical detector cell in which the cell is connected to an external current measurement circuit through a cyclically operated switch which alternately opens and closes the connection between the cell and the... | 04/05/1988 |
| 4735897 | Method and kit for detecting polyriboadenosine segments and messenger RNA RNA such as messenger RNA is digested to nucleotide phosphates including AMP or ADP. The ATP or a byproduct of the phosphorylation, e.g., pyruvate, is detected. Exemplary enzymes used (with appropriate co-reactants and co-factors) are: (1) polynucleotide ... | 04/05/1988 |
| 4732671 | Diesel fuel filter/water separator A separating device for separating a pair of immiscible components from a fluid mixture, such as separating water from a diesel fuel oil/water mixture, includes a housing and a filter cartridge mounted on the housing such that the filter cartridge is orie... | 03/22/1988 |
| 4732677 | Thermally formed stacked disc filter A fluid filter is disclosed which consists of a stack of discs which are formed form an air laid, nonwoven batt of randomly arrayed fibers. The batt includes a thermoplastic component to give the disc a self-supporting stiffness when molded. Each of the d... | 03/22/1988 |
| 4731554 | Low profile ring-shaped motor A low profile ring-shaped motor has a housing, a bearing support attached to the housing and supporting a rotating shaft carrying a ring-shaped rotor. A ring-shaped stator is secured to the housing and is concentric and between the legs of the U-shaped ro... | 03/15/1988 |
