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4321047 Simulator and process for teaching surgical knot tying techniques  
A simulator for and a process of teaching surgical knot tying techniques. A flexible tube made of material which simulates various human vessels and ducts is positioned between the arms of a...
4318301 Apparatus for measuring papillary muscle contractility  
Apparatus for measuring papillary muscle contractility when subjected to electrical stimulus while immersed in a test bathing liquid includes a test chamber for maintaining the liquid at a...
4312218 Porometer and method for stomatal measurements  
To measure stomatal resistance of a leaf, signals are obtained from: (1) a small thermocouple positioned adjacent to the leaf in a cuvette to measure temperature of the leaf without conducting...
4302963 Thrust bearing wear detector positioner  
A thrust bearing wear detector is mounted on a positioning apparatus which is capable of moving the sensor a predetermined fixed distance toward and away from a rotating collar fixed to a turbine...
4279860 Multiple injector flow through dissolution cell for dissolution testing apparatus  
A dissolution cell for use in automatic dissolution testing apparatus is specially configured to accommodate the iterative insertion of product specimens into the dissolution mechanism flow...
4275592 Extractor tool and holder  
Disclosed is a holder which may be used for mounting equipment, such as sensing apparatus, within an otherwise closed environment, and an extractor tool for inserting and retrieving the holder and...
4274286 Powder flowability test equipment  
An apparatus for measuring the flowability of powder utilizes a container having a bottom wall with an opening therein. The bottom wall may be changed to provide openings of different sizes. The...
4272989 Instrument lance for basic oxygen steelmaking furnace  
A lance assembly for insertion into a steelmaking vessel includes a sensor instrument supporting nozzle assembly which projects outwardly from the lance and which is cooled by water circulation....
4271897 Air conditioning display system for vehicles  
An air conditioning display system for a vehicle comprising a vehicle's air conditioner proper including a plurality of air intake ducts, a plurality of air discharge ducts, a plurality of...
4268257 Wheel simulator  
A device to simulate the rolling of a hypothetical wheel along a path is provided. The device includes a wheel sector mounted to one end of a rotor. A drive is provided for rotating the rotor in...
4261113 Anthropomorphic dummy for use in vehicle crash testing  
An anthropomorphic dummy suitable for use in vehicle crash testing, wherein the dummy includes a thoracic spine, at least one arm, and a corresponding shoulder assembly for coupling the arm to the...
4253339 Gauge  
A guage such as is used in connection with a Bourdon tube comprises two bearing plates, at least two metallic spacer columns interconnecting the bearing plates, a pointer shaft rotatably mounted...
4247298 Drug dissolution with a cascade barrier bed  
A pore-size graded, packed cascade barrier bed, flow-through cell for the measurement of dissolution behavior. The cell containing a porous packing of insoluble multi-particulate solids is...
4238959 Automobile suspension dynamic simulator  
An automobile suspension dynamic simulator having a base, tilting platform structure for supporting an automobile thereon, hinges along one lateral side of the tilting platform structure pivotally...
4231257 Slope sensor for a vehicle  
First and second sample-hold circuits sample and hold the atmospheric pressure alternately every time when a vehicle travels a predetermined distance. A signal representing a difference between...
4227415 Method and apparatus for testing solderability and de-soldering wicks  
Apparatus and methods for testing the solderability of metal components and testing de-soldering wicks. The workpiece to be tested is lowered into a molten solder and upon contacting the solder an...
4222435 Air conditioning display system for vehicles  
An air conditioning display system for a vehicle comprising a vehicle's air conditioner proper including at least a plurality of air intake ducts, a plurality of air discharge ducts, a plurality...
4218916 Digital thermometer modification for telemetry and analog recording  
Add-on circuitry for use with an electronic digital thermometer to provide a variable range analog output for applications such as telemetry and analog recording. An analog output circuit has...
4213347 Indicating device for measuring and control apparatus  
In an indicating device for measuring and control apparatus, such as a pressure measuring device, having a planar scale, a flexible, endless indicator tape movable along the scale, at least two...
4210027 Method for determination and grading of precious minerals  
A method is disclosed for determining the amount of a precious metal, such as gold, in an object such as a gold nugget. The method uses certain specific volume techniques together with known...
4206769 Measurement of surface properties  
The invention relates to a novel device for measuring in a quantitative manner surface properties, especially of tissues such as human skin, comprising a probe to be placed on said surface, means...
4198863 Electromagnetic torsional stiffness element  
An electromagnetic torsion stiffness arrangement with integrated auxiliary elements in which a magnetic field exerts restoring forces on a current-carrying conductor when moved from its rest...
4195518 Armored rotameter  
An armored rotameter capable of accurately measuring low flow rates, the meter including a metal body provided with a bore defining a vertical flow tube having a lower inlet into which a fluid to...
4191242 Air conditioner operating apparatus  
An automobile air conditioner operating apparatus having an operating panel on which sketches of the automobile body and indications are drawn, wherein the operation of control switches on the...
4181023 Apparatus for short-duration tests for determining the flowability of powders  
For the short-duration determination of the flowability of rubber powder after storage, the rubber powder is poured into a cylindrical container in which is immersed a resistance element. This...
4179916 Method of and a device for measuring the pressure and abrasion sensitivity of granular material (grain lots) due to mechanical stress  
A method of measuring the pressure and abrasion sensitivity of granular material is disclosed wherein the mechanical stress is produced by an abrupt exposure of the grains of a representative...
4177676 Sensor positioning apparatus  
A meter mounting mechanism which is hydraulically operated is disclosed. It is particularly adapted to insert and position a meter transducer in a high pressure environment. The illustrated...
4174749 Air conditioning display system for vehicles  
An air conditioning display system for a vehicle comprising a vehicle's air conditioner proper including a plurality of air intake ducts, a plurality of air discharge ducts, a plurality of...
4170902 Pipeline inspection vehicles  
A pipeline inspection vehicle for inspecting the internal wall of a pipeline wherein the vehicle is provided with a speed control system energized by hydraulic and turbine power obtained from...
4167967 Automobile air-conditioning apparatus  
An automobile air-conditioning apparatus, having a display panel on which contours of the automobile body and instrument panel are drawn, that indicates whether or not and in which direction air...
4166720 Leaching column and method of use  
A leaching column comprising two half cylinders held together by a removable band at one end and a leachate funnel at the other. For testing various pesticides and herbicides, the particular...
4165782 Automobile air-condition indicator  
An automobile air-condition indicator, having a display panel on which contours of the automobile body and instrument panel are drawn, that indicates whether or not and in what direction air flows...
4164148 Method for determining sulfur content of cast iron  
A test for determining the sulfur content of the base cast iron used for the production of nodular iron or iron containing compacted graphite. A sample of the molten base cast iron is removed from...
4163411 Breech closure mechanism  
A mechanism for releasably holding and pre-heating a model, prior to launch of the model by and from a gun. The model is initially held in a collar of the mechanism in the breech of the gun, and...
4162632 Load cell  
Indicator means for indicating the magnitude of force applied to a load cell in accordance with the deflection of the free end of a cantilever member of the load cell having the force applied...
4161874 Head and neck impact measurement system  
A system for measuring head and neck impact forces, having a movable plate member with an anthropometric dummy head and neck member secured to the plate member. Three force measuring cells are...
4156570 Apparatus and method for measuring white blood cell and platelet concentrations in blood  
An apparatus and method for measuring the linear extent and hence the concentration of several constituent blood cell types which are contained in the buffy coat of a centrifuged sample of...
4147053 Wet crack test method for soap bars  
A wet crack method of testing the performance of soap bars comprising the step of first shaving a face of the soap bar. Then, the soap bar is immersed in water, after which it is air dried. The...
4144762 Analyzing plastic concrete  
A method of analyzing plastic concrete comprising the steps of measuring a known amount of a plastic concrete sample into an elutriator, removing cement from the sample by passing a known weight...
4143539 Apparatus and method for determining the attrition properties of a mass of solid particles  
An improved apparatus for determining the time rate of attrition of a mass of solid particles comprising a chamber; inlet and outlet providing for entrance and exit, respectively, to the chamber;...
4141239 Device and kit and method for measuring the degree of doneness of a cooked piece of meat  
A plurality of blocks of resilient material are arrayed in proximity to each other. Each block has a predetermined amount of compressibility which is equal to the amount of compressibility of a...
4141249 Sub-lance assembly for sampling and temperature-measuring of molten metal during refining  
A sub-lance assembly for sampling and temperature-measuring of molten metal during refining in a top-blowing oxygen converter, which comprises: a sub-lance having a concentric three-pipe structure...
4138892 Electrically heated mold for making test specimens of concrete  
An electrically heated mold for making test specimens of concrete. The mold has two substantially identical mold halves pivotally mounted to each other and electric heating units selectively...
4131018 Elbow or bent tube manipulator, especially for ultrasonic testing in nuclear reactor installation  
Manipulator assembly for testing the material of a pipe elbow from the inside thereof, the pipe elbow being secured to a pipe union extending from a pressure vessel openable for receiving therein...
4129039 Dual gauge indicating device  
A dual gauge device for simultaneously indicating the quantity of liquid in a container and the amount of liquid that has been added to the container during a selected period of time irrespective...
4127780 Periodic sampling concentration indicator  
Apparatus for indicating the concentration of a particular constituent in a fluid including a sensing device for sensing the concentration of a particular constituent in a fluid and for providing...
4114280 Digital electronic indicator  
An indicator is made to fit within American Gauge Design dimension requirements to be compatible with existing accessories for indicators and still have a spindle with a travel of about 1/2 inch...
4114558 Measuring instrument indicating mechanism  
In a measuring instrument of the kind in which an axial movement of an input member is required to be converted into a rotary movement of an indicating member, such as a pointer movable across a...
4108602 Sample changing chemical analysis method and apparatus  
An automated sample changing chemical analysis system for sequentially analyzing a series of samples such as pharmaceutical chemical samples, the system being particularly useful for dissolution...
4108004 Self-propelled pipe inspecting apparatus  
Disclosed is a self-propelled pipe inspection apparatus suitable for use in inspecting a plurality of parallel and vertical pipes one by one, for the presence of faults such as cracking, corrosion...