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| Number | Title | Issue Date |
| 4248237 | Cardiac pacemakers A case for an implantation in a human or animal body. The case comprises a rigid plastics substrate which defines a chamber and a platinum skin arranged to overlie the substrate, the skin being formed in two or more pieces welded together--for instance by... | 02/03/1981 |
| 4248238 | Heart stimulating apparatus The invention relates to heart stimulation apparatus. It is possible to stimulate the heart in one of the atria or one of the ventricles and the invention concerns implantation of two electrodes (which may both be in the same location) and the provision of mea... | 02/03/1981 |
| 4248239 | Medical sensor assembly with battery A polarized sensor assembly for a polarographic oxygen sensor. The assembly comprises a sensor head and a shielded cable, with a power unit in the cable. The head electrodes remain polarized at all times, permitting transfer of the sensor assembly from on... | 02/03/1981 |
| 4248240 | Apparatus for detecting the activity of the respiratory organs and the heart of a living being Apparatus for detecting the activity of the respiratory organs and the heart of a living being, using passive measuring electrodes applied to the surface of the skin. The apparatus comprises a pair of paths having a common input for receiving respiratory ... | 02/03/1981 |
| 4248241 | Patient monitoring apparatus A patient monitoring apparatus employs transmitter and receiver units. The transmitter unit is typically mounted on the patient and is equipped with an inflatable blood pressure cuff having an associated acoustic stethoscope pickup piece for detecting the... | 02/03/1981 |
| 4248242 | Occlusive sphygmomanometer for the measuring of the arterial blood pressure An occlusive sphygomomanometer provides a single control button which allows a simultaneous modification of the rate of evacuation of air admitted into an air chamber for occlusion of an artery and the switching on and off of power to an electronic circui... | 02/03/1981 |
| 4248243 | Suspension arm for E.K.G. suction electrodes A gas compressor and the electrical circuitry for an EKG or the like are carried in a support having a post whose upward end carries one end of a parallelogrammatic linkage the other end of which is a head from which hang a plurality of suction-type elect... | 02/03/1981 |
| 4248244 | Method for measuring heart beat rate and circuit means for same There is disclosed a heart rate indicator having electrodes for coupling to the electrical impulses corresponding to each beat of the heart of a living subject, which electrodes are connected to an electronic circuit for producing a burst of alternating e... | 02/03/1981 |
| 4248245 | Method and device for determining and separating the alveolar air proportion from the breathing air A method of determining and separating the alveolar air proportion of a person's breathing air and thereafter measuring a proportion of a desired gas component thereof, comprises, conveying the exhaled air at a minimum velocity through a conduit, continuo... | 02/03/1981 |
| 4248246 | Sampling needle protector A protector for enclosing the needle body of a sampling needle after collection of blood or coeliac liquid comprises a cylindrical member having a hydrophilic inner wall and whose base end is opened, the inner wall of said opening being so shaped as to en... | 02/03/1981 |
| 4248247 | Low cost post-operative electrode A low-cost, disposable electrode for body surface stimulating applications having a backing layer formed from a sheet of foamed plastic material which is generally divided into two halves by a transversely extending fold line. The first half has an openin... | 02/03/1981 |
| 4248248 | Interrupted infeed flight means for combine rotor A rotor for an axial flow combine which is adapted to coact with conventional grate means in said combine, said rotor having on the forward end thereof interrupted infeed flight means which are spiral segments spaced both axially and circumferentially fro... | 02/03/1981 |
| 4248249 | Combine rotor drive anti-trash system An axial flow combine having a crop harvesting header including a feeder for cutting a crop and feeding it rearwardly into a threshing and separating mechanism. The mechanism includes a casing for receiving the crop material and a rotor within the casing ... | 02/03/1981 |
| 4248250 | Use of cyclic chemical compounds for augmenting or enhancing the aroma or taste of smoking tobacco and smoking tobacco article Described is a process for augmenting or enhancing the aroma or taste of a smoking tobacco comprising the step of intimately admixing with smoking tobacco, an organoleptic property augmenting or enhancing quantity of a cyclic chemical compound having a st... | 02/03/1981 |
| 4248251 | Tobacco composition The concentration of polycyclic aromatic hydrocarbons in tobacco smoke is reduced by incorporating palladium, either in metallic form or as a salt, and an inorganic nitric oxide generating compound into tobacco.... | 02/03/1981 |
| 4248252 | Continuous process for expanding tobacco A continuous process of expanding tobacco with carbon dioxide and ammonia is disclosed which comprises contacting tobacco with concentrated ammonium hydroxide, mixing the ammonium hydroxide-treated tobacco with ground solid carbon dioxide, thereafter expa... | 02/03/1981 |
| 4248253 | Method for separating veins from lamina of tobacco leaf A system and process for removing the veins from bulk strip tobacco utilizing an attrition mill having a pair of spaced discs therein wherein one of the discs is rotatable and the other is stationary. The attrition mill is utilized to mill the bulk strip ... | 02/03/1981 |
| 4248254 | Retainer for toilet articles A retainer for toilet articles or the like includes a housing having front, back and side walls mutually defining a cavity, the back housing wall being adapted for mounting on a vertical building wall, and the front wall having at least two horizontally-s... | 02/03/1981 |
| 4248255 | Floating canopy A floating canopy for use in association with a floating body supporting device has a rigid flat base, a vertical support member, and an upper canopy frame. Flotation means associated with the base maintains the canopy in upright position when in water. T... | 02/03/1981 |
| 4248256 | Platform crutch attachment for an invalid walker A platform crutch attachment having a wide selection of adjustments may be attached to a conventional invalid walker. The handle can be tilted, moved backwards or forwards, or rotated sideways and then securely locked to provide the user with the optimum ... | 02/03/1981 |
| 4248257 | Flood valve A gas actuated valve enabling high-speed actuation silently and rapidly os one or more blocked ports in a floodable container, thereby permitting the flooding of the otherwise closed container by ambient fluid. The valve includes a sleeve mounted for sli... | 02/03/1981 |
| 4248258 | Flat roof auxiliary drain system A flat roof solar powered auxiliary drain system having master and satellite modules with respective drain lines and electric pumps for charging the drain lines for syphoning standing water from a flat roof, the master module having a battery and a solar ... | 02/03/1981 |
| 4248259 | Fluid flow control device A fluid flow control device includes a thermally conductive conduit section having both interior and exterior heat exchange surfaces, with the interior surface being adapted to contact fluid flowing thereover. A controllable heat transfer means coupled to... | 02/03/1981 |
| 4248260 | Control device for center pivot irrigation units A control device is designed for center pivot irrigation units of the type having an elongate water carrying pipe with a plurality of support vehicles spaced therealong, and wherein each of the vehicles includes a double acting hydraulic cylinder mounted ... | 02/03/1981 |
| 4248261 | Eduction pipe assembly having upper flexible member An eduction pipe assembly includes a movable eduction pipe extending downwardly from the top of the tank toward a sump located in the bottom of the tank. The eduction pipe is supported from the upper portion of the tank. In the upper portion of the tank a... | 02/03/1981 |
| 4248262 | Capping of automatic transmission governor case A cap member to cover a cylindrical portion of a governor case of an automatic transmission is shaped to have a cylindrical wall as its open end portion with an inner diameter larger than the outer diameter of the cylindrical portion of the governor case,... | 02/03/1981 |
| 4248263 | Digital fluid flow control apparatus A core removably fits into an open cavity with an outer casing. The walls of the cavity and the core define an upstream manifold, a downstream manifold, and a planar manifold separating partition that lies at an acute angle to a flow plane aligned with th... | 02/03/1981 |
| 4248264 | Internal mud saver valve A valve assembly for preventing a column of drilling fluid from spilling out of the lower end of a kelly includes an elongated body which has an axial opening and is threaded at both ends. A cam is rigidly mounted in the bore and a hollow piston in the op... | 02/03/1981 |
| 4248265 | Adjustable relief valve An improved adjustable relief valve is provided having a valve body with a valve body inlet and outlet disposed therein. A reciprocating plunger is disposed in said valve body, and is movable between a first closed position isolating said valve body inlet... | 02/03/1981 |
| 4248266 | Liquid soap injector for a water bath spray system A liquid injector system for introducing, metering, and premixing a liquid hygienic agent such as soap or medicant into a stream of water flowing through a conduit for dispensing in a bath or shower array of spray nozzles. The system includes at least one... | 02/03/1981 |
| 4248267 | Multiple element fluid logic controls Fluid logic elements are combined in various ways to provide staging, shift register and binary flip-flop functions. The elements used to provide the complex functions include a flip-flop element, sequential AND and sequential NOT elements in various comb... | 02/03/1981 |
| 4248268 | Fluid control system A fluid pulse smoother is described which receives pulses of fluid to provide a continuous drive for a workpiece. The pulse smoother receives a sequence of periodic fluid pulses, as from a pulse generator, and integrates or spreads each received fluid pul... | 02/03/1981 |
| 4248269 | Adjustable flow pulse dampener A pulse dampener device in which the effective cross section of the flow path through the dampener assembly may readily be varied thereby enabling the device to be adjusted or tuned to deal most effectively with any of a variety of pulse variables encount... | 02/03/1981 |
| 4248270 | Reduced noise water valve provided with flow control The inlet to the water valve is provided with a resilient flow control device which deflects under pressure to reduce the inlet orifice and maintain substantially uniform flow. On the outlet side of the flow control the liquid is forced to turn at right a... | 02/03/1981 |
| 4248271 | Locking cap for pipe openings A disc shaped cover to seal the open end of a pipe casing and equipped with an integral locking mechanism which fits within the pipe, but which is operable from the exposed face of the cap by use of an appropriate tool. A hollow truncated cone shaped hous... | 02/03/1981 |
| 4248272 | Shed sensing stop motion system for high speed looms Automatic loom stopping apparatus for detecting yarn breakage or improper shedding defects and generating loom stop signals to be associated with a loom comprising two or three vertically spaced monitoring light beam units forming horizontal transverse li... | 02/03/1981 |
| 4248273 | Stirrup machine A stirrup machine for bending metallic stock material such as bars, wire, strips and the like and forming individual bent pieces therefrom including: advancing and reversing and other suitable apparatus (1) for selectively advancing and reversing the feed... | 02/03/1981 |
| 4248274 | Lead bending tool An adjustable lead bending tool for use in bending the leads of electronic components comprises a pair of opposed elongated bending arms, each of which is in the form of a right triangle when viewed in plan. The hypotenuses of the two triangles face each ... | 02/03/1981 |
| 4248275 | Method for obtaining uniformly mixed gases in a ball mold A method is provided for rapidly distributing mixed gases throughout a partially evacuated ball mold. The invention is particularly useful in the pressurizing of tennis ball centers with a mixture of air and a low permeability gas. By this invention, the ... | 02/03/1981 |
| 4248276 | Ice dispenser with anti-jamming means The spout of an ice dispenser has an anti-jamming rod. The auger motor causes the rod to move in the spout. A means is provided to stop the motor in response to interference with such movement of the rod.... | 02/03/1981 |
