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Patents Published on 03/07/2000


See All Patents Issued In 2000


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NumberTitleIssue Date
6032527Solid state microanemometer
A solid state microanemometer is micromachined from a bonded silicon wafer comprising two silicon layers. The microanemometer comprises a first semiconductor wafer doped with an impurity having an upper planar surface and a lower planar surface with a per...
03/07/2000
6032528Flow meter having cylinders with freely movable pistons therein
The invention relates to a flow meter and in particular to a flow meter suitable for connection into a fluid conduit. The flow meter has an inlet and an outlet for connection into a fluid line and includes interconnected cylinders, each cylinder having a ...
03/07/2000
6032529Liquid level sensor for buffered hydrofluoric acid
An object of the present invention is to prevent erroneous operation of a liquid level sensor due to deposition of ammonium fluoride dissolved in buffered hydrofluoric acid used as a process solution. The present invention provides a liquid level sensor compri...
03/07/2000
6032530Biofeedback system for sensing body motion and flexure
A method and apparatus for monitoring key components of body movement and flexure during kinetic activities, and providing intuitive, audible, real time biofeedback to the user. The system uses one or more transducers of types that are directionally sensi...
03/07/2000
6032531Micromachined acceleration and coriolis sensor
A solid state silicon micromachined acceleration and Coriolis (MAC) sensor that measures linear and angular motion. The MAC sensor is a single device that performs the functions of a conventional accelerometer and a gyroscope simultaneously. The MAC senso...
03/07/2000
6032532Sensor, in particular accelerometer, and actuator with electric insulation localised in a substrate plate
A sensor or actuator structure having a first part and at least one second part. The second part is mobile and electrically insulated in relation to the first part. The first and second parts are formed in a noninsulating substrate wafer and have mutually...
03/07/2000
6032533Absolute amplitude sensor device
An absolute amplitude sensor device for measuring absolute vibrations comprising a non-contact displacement sensor, in particular, an eddy-current sensor and a vibrator. Said vibrator is comprised of a number of inertial mass pieces, springs, a damper and...
03/07/2000
6032534Ultrasonic apparatus and method of simultaneously inspecting microcomponents for defects
An apparatus and method of locating defects within microcomponents using ultrasonic technology. A pulse-echo mode transducer and a through-transmission mode transducer are arranged around a component in order to introduce ultrasonic sound waves to perform...
03/07/2000
6032535Arrangement for making contactless distance and pressure measurements within an air spring
The invention is directed to an arrangement for making contactless distance and pressure measurements within an air spring. With a single arrangement, the exact elevation of the spring as well as the spring pressure can be determined. This permits optimal...
03/07/2000
6032536Pressure sensor and method for detecting pressure
A pressure sensor is provided which can detect the presence, absence or magnitude of pressure. The pressure sensor includes a sensor membrane and a sensor device. The sensor membrane is flexible and may be constructed of a conductive material or may inclu...
03/07/2000
6032537Safety bleed assembly for a hydraulic system
The invention in a safety bleed assembly includes a body wherein intersecting passages are formed that mount in ends thereof, respectively, a pressure gauge, and ports with check valves and ports alone. The ports with check valves function as high pressur...
03/07/2000
6032538Pressure sensor mounting device for high temperature environments
A mounting device for pressure transducers comprises a housing with two cbers separated by an acoustic filter/heat sink. A blast shield having at least one opening allows communication between the measured environment and the first chamber and provides p...
03/07/2000
6032539Multiphase flow measurement method and apparatus
The invention provides an apparatus (100) for separating at least a first component (e.g., liquid, etc.) from a second component (e.g, gas or vapor, etc.) from a multiphase fluid during non-ideal flows such as plug flow operation. The apparatus (100) gene...
03/07/2000
6032540In-line, field adjustable irrigation flow indicator for high, normal and low flow rates
An in-line flow meter for use in drip irrigation systems which provides a field adjustable, infinitely variable visual flow indication of both high and low flow rates above and below a field adjustable normal flow rate is provided by means of a drag paddl...
03/07/2000
6032541Suspended body flow meter
A suspended body flow meter for flowing media with a measuring tube, with a suspended body movable in the direction of flow and located in the measuring tube, with at least one permanent magnet connected with the suspended body, with a meter housing, with...
03/07/2000
6032542Prepressured force/pressure sensor and method for the fabrication thereof
A pressure sensitive element or array is provided which includes at least one first conductor on a first substrate and at least one second conductor on a second substrate, with a first conductor and a second conductor intersecting adjacent to each other a...
03/07/2000
6032543Device for introduction and/or withdrawal of a medium into/from a container
The invention concerns a device for introduction and/or withdrawal of a medium into/form an apertured container, and it comprises at least one transfer (1) for transferring medium to or from the container, and at leant one seal. The seal is incorporated a...
03/07/2000
6032544Automated particle monitor for a thin film process
A method of calibrating a particle monitor prior to applying DC power to a cathode in the processing chamber by first, initiating a flow of gas to the processing chamber. Next, the operation of the particle monitor is initiated to obtain a particle count ...
03/07/2000
6032545Nozzle flow thrust vector measurement
A nozzle flow thrust vector measurement system employs a thrust vector table, and a gas supply. The thrust vector table employs a thrust measurement table; a reference table; and at least three load cell assemblies coupled to the thrust measurement table ...
03/07/2000
6032546System for transferring electrical power between non-contacting elements in relative motion
A system is provided for transmitting a.c. electrical power across a small, even gap, without any physical contact, from a primary pole system to a secondary pole system, one of which moves relative to the other. Relative movement between the pole system ...
03/07/2000
6032547Swaying mechanism for electrical appliances
A swaying mechanism is provided, which can be used on various kinds of electrical appliances that need to be swayed during use, such as electric fans, dryers, and heaters. The swaying mechanism can protect the motor from being burned out when the swaying ...
03/07/2000
6032548System and method for creating movement utilizing a servo mechanism with a self-aligning clutch
A system for providing self-alignment of an appendage or other movable part comprising an input device, a self-aligning clutch, a processor, a feedback sensor, and a timer. The input device drives a set of gears including a partial output gear. The self-a...
03/07/2000
6032549Actuator, method of driving actuator, computer-readable medium for storing program processed by computer for executing driving method, and compact machine tool utilizing actuator
An actuator comprises a base, a guide assembly mounted on the base, a first displacing unit mounted on the base for displacement into engagement with the guide assembly to place the first displacing unit in a fixed state and for displacement in a moving d...
03/07/2000
6032550Right angle drive gearbox
A right angle drive gearbox (10) having a housing (12) defined by a pair of housing members (14, 16). The housing has a first opposed pair of cylindrical openings that are formed by opposed semi-cylindrical recesses (42, 46) in opposed side walls of one o...
03/07/2000
6032551Balance weight and method of securing same to a rotatable tubular body
An improved balance weight construction and a method of securing such a balance weight to a drive shaft or other tubular body are disclosed. A generally cylindrical balance weight is formed with a curved end surface which conforms to the outer surface of ...
03/07/2000
6032552Vibration control by confinement of vibration energy
Undesirable vibrations are controlled in a mechanical structure by confining the vibrations to one or more specified areas of the structure. Vibration confinement is achieved using a confinement device which effectively applies both translational and tors...
03/07/2000
6032553Corksrew
A manually operated corkscrew is disclosed with a substantially U-shaped body having first and second ends. A rack with teeth is moveable within the body. The rack has first and second ends and is biased to move toward the second end of the body. Two symm...
03/07/2000
6032554Valve packing extractor and valve gland cleaner
An apparatus for quickly and efficiently removing valve packing from a valve of the type having a threaded or non-threaded valve stem. In general, the apparatus includes a sleeve adapted to be positioned about the portion of the valve stem which extends e...
03/07/2000
6032555Indexible wrench
An indexible tool (for example, a wrench) in which the handle of the tool stays in a constant horizontal plane with respect to the horizontal plane of the head of the tool and the tool has locked and unlocked positions through a movable splined pin connec...
03/07/2000
6032556Hex wrench
A hex wrench is provided for driving a screw having a screw head with a counterbore defined therein. The hex wrench is L-shaped and includes a longer section and a shorter section. The longer section includes a neck defined therein, thereby forming a dist...
03/07/2000
6032557Driver tool kit with high energy magnetizer/demagnetizer on tool handle(s)
A hand-held driving tool kit includes a plurality of hand-held driving tools each having an elongate handle which defines a tool axis and is suitably shaped and dimensioned to be graspable within the hand of the user. The driving tool may be in the form o...
03/07/2000
6032558Rotary knife with active vibration control
A rotary knife incorporates the use of an electronically controlled, tuned mass active damping system to control vibrations of the knife cylinder. The system preferably uses one or more electromagnetic actuators to provide force on a tuned mass which is m...
03/07/2000
6032559Fill riser cold punch
A pipe punch apparatus which generally comprises a punch housing, a punch means situated within the punch housing, and a collar. The punch housing is connected to a bi-directional hydraulic fluid pump means. Depending on which direction the pump is set, t...
03/07/2000
6032560High speed trimming shear
A high speed rod trimming shear includes a pair of eccentrically bored sleeves mounted for rotation about parallel first axes. Carrier shafts are supported in the bores of the eccentric sleeves for rotation about second axes parallel to the first axes and...
03/07/2000
6032561Apparatus for ultrasonic cutting of food products
A conveyor moves food product, such as pies or cakes, within a cutting range of a knife positioning assembly. The knife positioning assembly supports an ultrasonic knife assembly which has a blade adapted for cutting the food product. The knife assembly i...
03/07/2000
6032562Bevel locking system for a sliding compound miter saw
A power tool includes a table. A shaft is disposed on the table and has an axis. A support housing supporting a motor and a working tool driven by the motor is disposed on the shaft adjacent to the table. The support housing is axially movable along the s...
03/07/2000
6032563Bevel locking system for a sliding compound miter saw
A compound miter saw includes a table on which a workpiece is placed, a miter saw unit supporting a saw blade, and a housing pivotally supporting the miter saw unit related to the table in such a manner that the miter saw unit is at least laterally pivota...
03/07/2000
6032564Saw carriage
A saw carriage or module for manually, semiautomatically or automatically cutting stems typically supplied by a stem handling apparatus, which stem handling apparatus delivers full-sized, substantially tree-length stems to one or more of the saw carriages...
03/07/2000
6032565Multi-use rotary die plate system
A multi-use die system is provided having a die holder with reference marks disposed circumferentially and radially along the longitudinal axis of the holder, and a multi-use die plate for magnetic affixation to the die holder which impresses a pattern on...
03/07/2000
6032566Lever operated punch with strengthened flap and punch head adjustment arrangement
A hand-operated punch with adjustable assembly punch units and a slipper to receive punched out discs in which the assembly units are adjustable from the bottom through an opening in the slipper. The punch includes a strengthening flap configuration and t...
03/07/2000
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