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| Number | Title | Issue Date |
| 4449714 | Turbine engine seal and method for repair thereof A method for repairing turbine engine seals and a product manufactured in accordance with the method are provided. A worn or damaged honeycomb seal is removed from a backing plate together with a portion of the surface of the plate. The plate is restored ... | 05/22/1984 |
| 4441889 | Coal-aqueous mixtures Coal-aqueous mixture having high solids content and excellent stability are provided by an improved process involving selective mixing and other conditions.... | 04/10/1984 |
| 4412843 | Beneficiated coal, coal mixtures and processes for the production thereof A process for the production of beneficiated coal and coal slurries having low ash, and sulfur involving admixing coal in an aqueous medium with a surface treating admixture comprising a polymerizable monomer, polymerization catalyst and a liquid organic ... | 11/01/1983 |
| 4406664 | Process for the enhanced separation of impurities from coal and coal products produced therefrom An improved process for the beneficiation of coal and the separation of impurities therefrom comprising subjecting coal to surface treatment by contact with an aqueous medium comprising polymerizable monomer, polymerization catalyst and liquid organic car... | 09/27/1983 |
| 4395290 | Method of manufacturing cement raw mix A process for the production of cement raw mix which takes into account variations which may occur in the raw materials being introduced into the raw mix, particularly such variations which occur in the limestone. The process disclosed involves the period... | 07/26/1983 |
| 4377417 | Titanium dioxide pigment treated to suppress yellowing in polymers A titanium dioxide pigment is provided for use in polymeric compositions comprising a pyrogenic titanium dioxide pigment which has been treated with a composition comprising an organophosphate/alkanolamine addition product. This invention provides for a n... | 03/22/1983 |
| 4332593 | Process for beneficiating coal Mine run coal is pulverized and the extended surfaces of the coal particles are rendered hydrophobic and oilophilic by a chemical bonding and graft polymerization reaction with a water insoluble organic polymerizable monomer under peroxidation influence i... | 06/01/1982 |
| 4305408 | Automatic cigar wrapping device A device for applying a chevron-shaped cigar wrapper blank onto a rotating double cigar body as the body is being rotated in a mechanically driven nest where certain driving rods of the nest are modified to provide clearance for a tuck lifter that initiat... | 12/15/1981 |
| 4304573 | Process of beneficiating coal and product Mine run coal is pulverized and the extended surfaces of the coal particles are rendered hydrophobic and oilophilic by a chemical bonding and graft polymerization reaction with a water unsoluble organic polymerizable monomer under peroxidation influence i... | 12/08/1981 |
| 4303990 | Programmable controller using microprocessor In a programmable controller of the type including a microprocessor having output address terminals, output address lines extending to external addressable devices, input/output bi-directional data terminals and means for applying a binary status code mad... | 12/01/1981 |
| 4200916 | Programmable controller using microprocessor There is provided a programmable controller comprising a standard microprocessor having output address terminals and input/output bi-directional data terminals and means for providing a binary code on the data terminals indicative of the status of the mac... | 04/29/1980 |
| 4198031 | Automatic air deflation regulator for use in an instrument for measuring blood pressure An automatic air deflation valve is provided for use with a sphygmomanometer type blood pressure measuring instrument. The valve comprises a housing having an air flow channel extending through the longitudinal extent thereof and at least one air deflatio... | 04/15/1980 |
| 4188617 | System for converting analog signals to multiplexed digital data A system for providing digital data representative of a selected analog signal on the data lines of a programmable controller using a central processing unit. The system employs a conversion circuit which converts the input analog signal to digital data o... | 02/12/1980 |
| 4181758 | Method for preventing the deposition of a coating on a substrate A method of preventing the deposition of an aluminum-based pack coating on a predetermined portion of a substrate is provided, said method including the principal step of applying a maskant composition to said predetermined portion prior to coating. The c... | 01/01/1980 |
| 4180862 | Programmable controller using microprocessor There is provided a programmable controller comprising a standard microprocessor having output address terminals and input/output bi-directional data terminals and means for providing a binary code on the data terminals indicative of the status of the mac... | 12/25/1979 |
| 4158222 | Limited visibility signal device A limited visibility signal device is disclosed which includes a housing, a source of illumination within the housing, a light directing lens at the outer end of the housing, and a light collimating arrangement between the source of illumination and light... | 06/12/1979 |
| 4137105 | Method of forming tooling for superplastic metal sheet There is provided a method of making a compression die set of the type including front and back die pieces for compressively forming a sheet of soft, pliable metal, such as superplastic metal, therebetween with one of the die pieces including surface impr... | 01/30/1979 |
| 4131848 | Digital loop detector with automatic tuning A digital device for detecting a metal object in the field of influence of a detector loop controlled by an oscillator which device creates a series of counting intervals and counts pulses during the intervals. The magnitude of the count during an interva... | 12/26/1978 |
| 4128522 | Method and maskant composition for preventing the deposition of a coating on a substrate A method of and composition for preventing the deposition of a coating on a predetermined portion of a substrate is provided, said method including the principle step of applying a maskant composition to said predetermined portion prior to coating. The co... | 12/05/1978 |
| 4107785 | Programmable controller using microprocessor There is provided a programmable controller comprising a standard microprocessor having output address terminals and input/output bi-directional data terminals and means for providing a binary code on the data terminals indicative of the status of the mac... | 08/15/1978 |
| 4097832 | Relay with manually releasable latch An improvement in a latch relay of the type including a terminal support block, an armature pivotally mounted on a selected axis, coil means between the axis and the terminal blocks for forcing the armature into a first position adjacent the coil means wh... | 06/27/1978 |
| 4093998 | Programming module for programmable controller using a microprocessor A programming module for programming a number of programmable read only memory (PROM) units secured onto a single memory module for use at a selected location of several locations in a programmable controller using a microprocessor operated on a low order... | 06/06/1978 |
| 4078259 | Programmable controller having a system for monitoring the logic conditions at external locations A system for monitoring the logic conditions at the external addressable locations of a programmable controller wherein intermediate memory units are provided for controlling separate input and output locations. The controller periodically sequences the d... | 03/07/1978 |
| 4075563 | Digital loop detector with improved detection control An improvement in a digital device for detecting a metal object in the field of influence of an oscillator controlling loop, which digital device includes counter means for counting pulses during a counting interval, with the magnitude of the pulse count ... | 02/21/1978 |
| 4061903 | Digital coordinator with smooth transition for offset changes An improvement in a digital coordinator of the type used for creating a background cycle defined by a series of control pulses repeatedly cycled between a first number, N1, and a second number, N2, with the time space between the N | 12/06/1977 |
| 4061902 | Digital traffic coordinator There is provided a coordinator for creating a desired background cycle time and controlled logic conditions on selected output circuits during the background cycle which cycle and logic conditions are used in governing the signalization of a traffic inte... | 12/06/1977 |
| 4050098 | Self-addressing modules for programmable controller An improvement in a module for a programmable controller including logic circuits and means for enabling the circuits upon receipt of a module enabling signal. The improvement includes a first set of input terminals arranged on the module and in a presele... | 09/20/1977 |
| 4027144 | Magnetic return mechanism An improved magnetic return mechanism, especially useful in timing devices of the type including a motor means for driving a member at a given rotational velocity about a given axis and from a selected angular position, means for indicating when the membe... | 05/31/1977 |
| 4021793 | Detector device for converting A.C. inputs to an D.C. output and a system for using the same An input detection circuit to provide a D.C. output signal of a selected value upon receipt of an input A.C. signal of a given value on an input line. The detector circuit includes a NORTON type current responsive operational amplifier having an inverted ... | 05/03/1977 |
| 4021647 | Electronic monitoring device for power press brakes and similar devices There is provided an electronic monitoring device for indicating when the stopping time or stopping distance of a brake adapted to stop the motion of the power press drive system exceeds a preselected time or distance. In accordance with one aspect of thi... | 05/03/1977 |
| 4021646 | Up/down counter with a tracking 5/6 input circuit There is provided an improvement in a digital counting system including a digital counter which counts up when an incoming pulse is received on one terminal and counts down when an incoming pulse is received on another terminal and means for passing five ... | 05/03/1977 |
| 4012671 | Trigger circuit An electro-optic detector utilizes a trigger circuit to sense the presense of a fluid medium and produce a control signal at a predetermined time after the fluid medium is detected.... | 03/15/1977 |
| 4005819 | Magnetic return mechanism An improved magnetic return mechanism, especially useful in timing devices of the type including a motor means for driving a member at a given rotational velocity about a given axis and from a selected angular position, means for indicating when the membe... | 02/01/1977 |
| 3999705 | Magnetic return device for reset timer/counter unit and reset timer/counter unit using same A device adapted for special use in a reset timer/counter unit to return various digital counting subwheels to their reset condition after a timing or counting cycle. The device includes a first ring formed from a permanently magnetizable material having ... | 12/28/1976 |
| 3994049 | Automatic harness release assembly An automatic release assembly for a two-piece harness connector is provided with an electro-optic trigger responsive to a liquid environment. A rotatable locking shaft is forcibly rotated to unlock position by actuation of a force generating device integr... | 11/30/1976 |
| 3993895 | Magnetic return device for reset timer/counter unit and reset timer/counter unit using same A device adapted for special use in a reset timer/counter unit to return various digital counting subwheels to their reset condition after a timing or counting cycle. The device includes a first ring formed from a permanently magnetizable material having ... | 11/23/1976 |
| 3976044 | Breakerless distributor with substitutional interrupter array In the conversion of a standard ignition distributor to a breakerless distributor advantage is taken of mounting apertures, preformed in the distributor rotor, to permit the selective mounting of one of a plurality of annular interrupter arrays. One purpo... | 08/24/1976 |
| 3944906 | Detector device for converting A.C. inputs to an D.C. output and a system for using the same An input detection circuit to provide a D.C. output signal of a selected value upon receipt of an input A.C. signal of a given value on an input line. The detector circuit includes a NORTON type current responsive operational amplifier having an inverted ... | 03/16/1976 |
| 3931020 | Smokeless forging lubricant A lubricant for high temperature metal forging applications comprises a water soluble inorganic salt whose melting point is below the metal working temperature, in admixture with an inorganic salt which decomposes to a gas at temperature below the metal w... | 01/06/1976 |
