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| Number | Title | Issue Date |
| 4673820 | Drop detecting system with focusing mirror element and vibrator An arrangement for improving the detection of drops in a drip chamber has a mirror element configured to focus light from a source to a detector in such a manner that a falling drop occludes a significant portion of the light reflected to the detector. In... | 06/16/1987 |
| 4662104 | Method and apparatus for administering acaricides and insecticides to ectoparasites of rodents Insecticide is administered to ectoparasites of rodents by filling a container with insecticide-impregnated fibrous nesting material and fixing it in a desired location. The container has an aperture permitting entry by rodents. Rodents incorporate the in... | 05/05/1987 |
| 4656553 | Electronically programmable universal brushless DC fan with integral tracking and locked rotor protection A brushless DC fan with a winding supply circuit having an internal voltage regulator can afford current limiting and thermal protection and provide various desired fan speeds without alteration of the basic fan circuit, the windings, or other manufacturi... | 04/07/1987 |
| 4655217 | Method and apparatus for disabling vein valves in-situ An apparatus is provided for disabling valve cusps within a vein. A flexible guide tube of a diameter substantially smaller than that of a vein has at least one retractable wire hook for ensnaring a valve cusp within the vein. The wire hook may be continu... | 04/07/1987 |
| 4650588 | Surface tension detector for liquid chromatography A device for detecting changes in surface tension of eluant from a liquid chromatography column has in a preferred embodiment an arrangement for suspending a droplet of liquid eluting from a liquid chromatography column, a pair of electrodes in contact wi... | 03/17/1987 |
| 4648872 | Volumetric pump with replaceable reservoir assembly An infusion pump has a removable reservoir including a piston and drive member. The drive member is an internally threaded elongated portion of the piston. A motor rotates a short drive screw, which engages the threads of the drive member to displace the ... | 03/10/1987 |
| 4645175 | Modular clamp system with externally threaded adjuster A modular clamp system in one embodiment has a case having an inlet and an outlet port, forming a housing for a resilient flow tube. Attached to the housing is a clamping member having two arms between which the flow tube passes. One end of the pair of ar... | 02/24/1987 |
| 4644656 | Method and apparatus for disassembly of a spot-welded structure A method and apparatus for removing spot welds from a sheet metal structure is shown. A fluid powered hand punch has a handpiece and an L-shaped extension forming a punch die. An elongated rod extends from a fluid piston within the handpiece to a punch bi... | 02/24/1987 |
| 4638576 | Athletic shoe with external counter and cushion assembly In an athletic shoe, an external counter and cushion assembly includes a substantially rigid external counter extending medially to approximately the front flex line, and a rearfoot cushion member is mounted within the rigid counter. This assembly mounts ... | 01/27/1987 |
| 4636339 | Method for in-process multi-element analysis of molten metal and other liquid materials A method for generating an aerosol powder from a melt includes an atomization die having an orifice through which the melt passes to create the powder. In a preferred embodiment, the orifice has a dimension less than 5 millimeters, and may include a heate... | 01/13/1987 |
| 4634426 | Medical infusion controller and user interface An intravenous flow control system includes a programmed microprocessor which receives information from a drop sensor and varies the adjustment of a clamp to control the infusion rate. The system accepts total dose and infusion duration, or dose rate and ... | 01/06/1987 |
| 4633740 | Combination receptacle opener A combination receptacle opener including a plate member having at least one aperture with serrations for gripping for twisting off a twist-cap inserted into the aperture. The aperture also includes a segment for engagement beneath the lip of a crown cap ... | 01/06/1987 |
| 4626278 | Tandem atomization method for ultra-fine metal powder Soluble gas is introduced in a melt material which is then atomized and rapidly cooled. The cooling drives the gas from solution, further disintegrating the atomized material to an ultra-fine powder. In one embodiment the atomization and rapid cooling are... | 12/02/1986 |
| 4620690 | Modular flow control cassette A sheet with inlet and outlet ports forms a housing, with a flow tube disposed between the ports. In a preferred embodiment, a plurality of arms affixed at one end to the housing are adjustably spaced by a threaded tapered nut which mates with the other e... | 11/04/1986 |
| 4616432 | Shoe upper with lateral fastening arrangement A shoe has an upper having a lateral lacing system and a band structure over the central longitudinal axis of the foot, so that the foot is retained conformally and the shoe fastening system is located over relatively planar regions of the wearer's foot. ... | 10/14/1986 |
| 4612532 | Data compression apparatus and method A preferred embodiment of the invention provides a system for the dynamic encoding of a stream of characters. In a preferred embodiment, the system includes an input for receiving a stream of characters, and an output for providing encoded data. The syste... | 09/16/1986 |
| 4607440 | Outsole for athletic shoe An outsole for an athletic shoe includes a central traction portion having a plurality of transverse grooves, each groove including forward facing and rearward facing groove walls. Forward facing and rearward facing traction elements are located on the re... | 08/26/1986 |
| 4605921 | Digital word-framing technique and system A method is provided for decoding an encoded signal that includes a series of encoded digital data messages. Each message is encoded in such a way that each bit thereof is contained in the ordering of a complementary bit pair. Each encoded message is sepa... | 08/12/1986 |
| 4605037 | Liquid overfill protection system A liquid overfill protection system uses an arrangement for delivering a fluid, such as air, to first and second outlets with a pressure difference that is indicative of the extent to which the tank has been filled with liquid. The system includes a contr... | 08/12/1986 |
| 4603431 | Method and apparatus for vectorizing documents and symbol recognition An apparatus codes a scanned document locally representing each graphic element within a prescribed measure of accuracy by a trapezoidal approximation. The invention also includes a method for similarly coding a scanned document. The apparatus determines ... | 07/29/1986 |
| 4600401 | Fluid flow control system In a system for controlling fluid flow from a reservoir to a patient, a first signal representative of reservoir weight and a second signal representative of desired weight are compared digitally to generate a signal representative of their dissimilarity.... | 07/15/1986 |
| 4593328 | Timing wheel for card encoder Apparatus for magnetically encoding a card which includes a timing wheel frictionally engaging the card as the card is moved along a slot. The wheel has about its peripheral annulus a series of evenly spaced magnetic timing bits which are read out by a re... | 06/03/1986 |
| 4578022 | Apparatus for in-process multi-element analysis of molten metal and other liquid materials An apparatus for generating an aerosol powder from a melt includes an atomization die having an orifice through which the melt passes to create the powder. In a preferred embodiment, the orifice has a dimension less than 5 millimeters, and may include a h... | 03/25/1986 |
| 4565902 | Telephone care system with supplementary alarm message A telephone care system enables personnel monitoring an emergency response center to be reminded that help is still needed at a given location. The system includes a provision for sending a plurality of alarm messages, wherein one criterion for selection ... | 01/21/1986 |
| 4563177 | Catheter stabilization pad A unitary sheet device for removably securing a catheter to the skin of a patient includes a pair of flaps for being affixed to the skin and a central portion performed in a contour conforming to the catheter hub. When affixed, the central portion and the... | 01/07/1986 |
| 4547911 | Implantable heart pump A mechanical heart for implantation into the human body is run at a higher frequency which is a harmonic multiple of a normal heart beat frequency, and the pump chamber volume is reduced, proportionately to the increased pumping frequency. The circuit for... | 10/22/1985 |
| 4517421 | Resilient deformable keyboard An array of fluid filled cells bearing symbols on their faces transmit applied pressure or displacement to a remote end of the cell which have a mating array of electrical switches normally maintained in an open position. Pressure or displacement of the u... | 05/14/1985 |
| 4514623 | Automatic teller machine with entrance adapted to prevent access by foreign objects An Automatic Teller Machine is adapted to block the acceptance of foreign objects. A blocking member is misaligned with an entrance slot except when sensors signal the presence of an object which meets established criteria. In the presence of the signals,... | 04/30/1985 |
| 4512726 | Pump adaptable for use as an artificial heart A pump adaptable for use as a human heart includes first and third pump chambers separated from an intermediate second chamber which may house a motor. The chambers are separated by diaphragms which may be alternately driven. A pump is achieved which need... | 04/23/1985 |
| 4473263 | Circuit board mounting device and associated components For mounting a plurality of circuit boards each having a connecting edge with conductors adjacent thereto, one structure is provided for holding the boards parallel and a related structure for causing the boards' connecting edges to be in proximity to con... | 09/25/1984 |
| 4472144 | Celestial compass having rotatable means for organizing two distinct sets of astrological data A celestial compass includes first and second wheels bearing like astrological reference data in the form of the Zodiac. First and second sets of data to be evaluated as to astrological significance are placed on the first and second wheels respectively. ... | 09/18/1984 |
| 4468177 | Diaphragm pump arrangement in which alternately expanded and contracted chambers are used independently A pump has a housing that is divided into two chambers by an element that is driven in a push-pull manner so that the volumes of each of the two chambers are alternately enlarged and reduced. Both chambers are in the path of fluid through the pump. The ch... | 08/28/1984 |
| 4464687 | Jitter-free gear arrangement for equipment requiring precision mechanical movement Jitter, characteristic of gear trains used for precision movement of magnetic cards in gear driven card readers-writers, is eliminated by forming, in situ, a resilient material as a dampening arrangement in a recess in the gear to which a drive shaft is c... | 08/07/1984 |
| 4455519 | Torque receiver controller The disclosure describes a device for continuous analog position control of multiple torque receivers by a single low power synchro signal source. The device provides continuous control of the magnitude and direction of current flow between the stators of... | 06/19/1984 |
| 4455450 | Digitizing tablet A digitizing tablet is realized by maintaining first and second sheets of insulating material in a spaced apart position by sealing them together and filling the resulting pocket with air or fluid under pressure. Coordinates for the position of a stylus o... | 06/19/1984 |
| 4421120 | Peak respiratory flow monitor A peak respiratory flow monitor utilizes an enclosure having a series of openings through the wall thereof, a provision for covering a desired number of these openings, and a provision for generating a signal when the air flow through the enclosure reache... | 12/20/1983 |
| 4411649 | Fluid flow control system In a fluid flow control system a weight detector generates a signal representative of the weight of the fluid in the reservoir. A second signal is generated indicative of the desired fluid weight over time, and a first comparator produces an output indica... | 10/25/1983 |
| 4410164 | Modular flow control system In a system for controlling flow of fluid from a reservoir to be delivered intravenously to a patient, a valve adjustably constricts a fluid path and maintains a given adjustment until the adjustment is changed. In a preferred embodiment, a valve assembly... | 10/18/1983 |
| 4402146 | Running shoe sole with heel tabs An athletic shoe is provided with means for increasing lateral stability of the heel area to increase ankle stability and reduce the possibility of ankle fatigue due to misalignment of the ankle joint and the possibility of promotion or supination injury.... | 09/06/1983 |
