Did You Know...
...In 1790, the cost to obtain a patent was between $4 and $5.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5209119 | Microdevice for sensing a force A microsensor or micromechanical device based upon the piezoelectric properties of thin film lead zirconate titanate (PZT) with a thickness of between 0.1 and 5 microns. The thin film PZT is sandwiched between first and second electrodes which are provide... | 05/11/1993 |
| 5209120 | Semiconductor pressure-detecting apparatus A semiconductor pressure-detecting apparatus includes a semiconductor chip having a diaphragm and a frame molded within a resin with the diaphragm exposed. A reference pressure chamber may be provided between the diaphragm and the frame. Since the diaphra... | 05/11/1993 |
| 5209121 | Pressure sensor A pressure sensor Comprising a disk-type base part having a preferably central opening spanned at one end by a surface-type pressure transducer, a pressure receiving part having a diaphragm arranged at distance from the other end side of said opening and ... | 05/11/1993 |
| 5209122 | Pressurer sensor and method for assembly of same A pressure sensor assembly is provided containing a substrate having signal conditioning circuitry disposed on both surfaces of the substrate, with the critical pressure sensing element disposed on one surface of the substrate and the laser trimmable resi... | 05/11/1993 |
| 5209123 | Methods of determining loads and fiber orientations in anisotropic non-crystalline materials using energy flux deviation An ultrasonic wave is applied to an anisotropic sample material in an initial direction and an angle of flux deviation of the ultrasonic wave front is measured from this initial direction. This flux deviation angle is induced by the unknown applied load. ... | 05/11/1993 |
| 5209124 | Method and apparatus for determining the filling capacity of tobacco and the hardness of cigarettes A method and an apparatus for the determination of the filling capacity of tobacco and the hardness of cigarettes includes a container containing tobacco compressed by a test plunger driven in a pre-set manner by a motor, such that the force exerted on th... | 05/11/1993 |
| 5209125 | Piezoelectric pressure sensor A vortex sensor 14 measures a flow rate of a fluid flowing through a flow passage by detecting alternating pressure variations 26a and 28a generated by a shedding body 16 placed in the flow passage. The vortex sensor 14 includes a sensor housing 32 enclos... | 05/11/1993 |
| 5209126 | Force sensor A force sensor and related method for determining force components. The force sensor includes a deformable medium having a contact surface against which a force can be applied, a signal generator for generating signals that travel through the deformable m... | 05/11/1993 |
| 5209127 | Device for receiving and transferring cylindrical filter rods from a mass flow of filter rods being conveyed A device for receiving and transferring cylindrical filter rods one at a time from a mass flow of filters. The receiving and transferring device is used to remove filter rods from the mass flow of filter rods to conduct, for example, quality control check... | 05/11/1993 |
| 5209128 | Safety pipette and adaptor tip A safety pipette is characterized in that an openable seal (6) is present within the pipette, necessitating the use of a forcing element (9) to hold the seal in an open position in order to use the pipette. Pipette inserts provide the seal in standard pip... | 05/11/1993 |
| 5209129 | Subsurface sampler A subsurface sampler including a cylindrical casing with portholes to provide access below ground to sample potentially hazardous substances without contaminating investigative probes that are inserted into the interior cavity of the casing. The sampler h... | 05/11/1993 |
| 5209130 | Method for recycling wash residue of ready mixed concrete and system therefor The present invention relates to a method and a system for recycling wash residue of ready mixed concrete include the steps of condensing used cement sludge to a predetermined concentration, storing the condensed sludge, sampling the stored sludge and det... | 05/11/1993 |
| 5209131 | Metrology A multiaxis measuring probe 10 for continuous measurement of workpieces (e.g. roundness, other form, or size measurment) has in one embodiment a stylus 50 suspended by resilient forces acting in opposition so as to determine an equilibrium rest position. ... | 05/11/1993 |
| 5209132 | Semiconductor handling device having a self-check function and method of self-checking a semiconductor handling device A semiconductor handling device having a self-check mechanism comprising a product placement area in which a plurality of products are placed, a standard sample holding area for holding a standard sample, a tester for testing a product or the standard sam... | 05/11/1993 |
| 5209133 | Blind lever arm adjustment device An adjustment device for adjusting a lever arm located inside a machine frame wherein the lever arm is pivotally mounted to the frame at a first location and is spring biased against a stop at a second location of the frame. The device comprises a resilie... | 05/11/1993 |
| 5209134 | Synchronous bidirectional gearing mechanism A bidirectional synchronous gearing mechanism includes a first gear with a first and second gear profile and a second gear identical to the first gear and with identical first and second gear profiles. The teeth of the two gears are meshed together and th... | 05/11/1993 |
| 5209135 | Impact absorbing type steering column device In an impact absorbing type steering column device, edges of a flat plate portion provided at an end portion of an energy absorbing member are bent to form bent-over sides which are attached to the outer surface of a steering column to provide a space whe... | 05/11/1993 |
| 5209136 | Composite rod-stiffened pressurized cable A wire line cable in which composite rods are spaced apart and axially disposed between a flexible, elongated, membrane which can be pressurized and a flexible outer protective sheath surrounding but separate from the membrane.... | 05/11/1993 |
| 5209137 | Control apparatus for marine engine A control apparatus for a marine engine comprising an operating lever inserting into an opening from the back side to the fore side of hull board and disposed in the fore side of the hull board to control the marine engine by rotating a main body which is... | 05/11/1993 |
| 5209138 | Handlebar assembly for cycles A handlebar including a shank, a ring formed integral in the shank, a number of teeth formed in the ring, a rod slidably engaged in the ring, a number of teeth formed on the rod for engagement with the teeth of the ring so as to prevent the rod from rotat... | 05/11/1993 |
| 5209139 | Flywheel for an internal combustion engine Flywheel device for internal combustion engines. The device has a first flywheel mass (1) intended to be connected to the engine crankshaft, and a second mass (2) with a frictional surface (12) designed to carry a clutch cover with associated pressure pla... | 05/11/1993 |
| 5209140 | Windshield wiper apparatus having a retraction facility A windshield wiper apparatus having a facility for retraction of the wiper blade, including a cranked driving arm which carries a pivot pin on which an eccentric knuckle piece is rotatably mounted. A driven crank is articulated on the knuckle piece and th... | 05/11/1993 |
| 5209141 | Apparatus for controlling gear box During shift change, a discrimination is made as to a load, a quantity of residual hydraulic oil in respective shift change clutches (F, R, 1 to 4) and a state of shift change which has been effected from what speed stage to what speed stage so that a pat... | 05/11/1993 |
| 5209142 | Assist-a-twist A device to securely hold a container, (produced from any currently known material) utilizing the user's body weight for pressure, exerted by leaning against the device. This action enables a disabled or weakened person to twist, puncture or pry off the t... | 05/11/1993 |
| 5209143 | Reversible hose clamp tool A reversible hose clamp tool for use with double ring spring wire hose clamps comprised of a pair of main members and a pivot which resembles pliers and operates similarly thereto. Each main member is an elongated tool member comprised of a handle section... | 05/11/1993 |
| 5209144 | Dual-purpose quickly adjustable wrench A dual-purpose adjustable wrench is comprised of a wrench body, a movable jaw unit and a worm gear rack mechanism for providing a rapid adjustment of the wrench. The wrench is further comprised of a clutch unit to enable the jaw opening to be quickly adju... | 05/11/1993 |
| 5209145 | Spherical boring tool A tool is described for boring spherically curved inner surfaces consisting of a main body which rotates about its longitudinal axis during the boring operation. A swivel housing is mounted on an axle bolt in the main body and can thus be swiveled about a... | 05/11/1993 |
| 5209146 | Ball lock apparatus for small diameter toolholders A cutting toolholder assembly for holding a cutting tool used in a material removal operation. The assembly comprises a locking component which contains a bore with at least one recess therein. The assembly also includes a tool holding component with a sh... | 05/11/1993 |
| 5209147 | Stand for lathing tool holder A stand (10) that includes an upwardly projecting support member (24) shaped into wedge portions (36, 38), each wedge portion configured to fit within the groove (18) formed in a conventional holder (14) for a lathing tool. The stand (10) provides a compa... | 05/11/1993 |
| 5209148 | Carpeting cutter for use in seaming wall-to-wall carpeting and method for using the same An "S" shaped, double-blade carpet cutter is provided which simultaneously cuts the edges of two adjacent, overlapped carpets from the back side, to provide closely matching, abutting edges which can thereafter be seamed. The lower carpet edge is inserted... | 05/11/1993 |
| 5209149 | Apparatus for the cutting of stacked sheet-like material The invention comprises an apparatus for cutting stacked sheet-like material, including: a table having a surface upon which the material may be laid, the table being defined to be within a work zone, a cutting knife and a press bar located above the work... | 05/11/1993 |
| 5209150 | Sharpening device for cold cuts cutting machines It is placed in a stationary manner in the top part of the machine and has a sharpening wheel (18) as well as a polishing device of the blade that eliminates the rough edges produced in sharpening. It has a frame (1) that incorporates a cover (3) that is subje... | 05/11/1993 |
| 5209151 | Tape cutter In a tape cutter capable of cutting a tape completely and enhancing the durability of the cutter blade, a cutter holder is rotated by the engagement of a holder gear portion with a lever gear portion according to the rotation of an operation lever so that... | 05/11/1993 |
| 5209152 | Airfoil changeover device An air operated reciprocating piston pump having a differential area piston is provided with an annular shaped airfoil device having a chevron cross-section and which is located beneath the bottom air intake plate to utilize increasing air velocity at the... | 05/11/1993 |
| 5209153 | Portable hydraulically operated device incorporating automatic drain valve A hydraulically operated device including a single-acting cylinder having a piston for operating a working tool, a pressure chamber for applying a hydraulic pressure to the piston from an original position to an operated position, and a return spring for ... | 05/11/1993 |
| 5209154 | Dual area brake actuation piston mechanism The dual area brake actuation piston mechanism (10, 110) comprises a piston housing (12, 112) having therein a first bore (30, 130) disposed coaxially about a separate second bore (40, 140). A first piston (50, 150) is disposed within the first bore (30, ... | 05/11/1993 |
| 5209155 | Radial piston engine In a radial piston engine having pistons bearing against the circumference of an eccentric, which pistons execute a swivelling motion upon the rotational motion of the eccentric and are in engagement with a guide body, which bears on the radially outer en... | 05/11/1993 |
| 5209156 | Extruding and cutting frozen confections containing edible particulates A method for producing extruded and cut frozen confections (70) containing a first material (20) with particulates such as peanuts, and a second material (16) without particulates. Includes an extruder apparatus (10) with a first conduit (14) disposed to ... | 05/11/1993 |
| 5209157 | Plant for obtaining dairy preparation A plant for manufacturing a dairy preparation made of skim milk and vegatable oil has a first area where the powdered milk is reconstituted to produce liquid skimmed milk to be used, a hot water-oil emulsion area, and a milk water-oil emulsion injection a... | 05/11/1993 |
| 5209158 | Grain cleaning and polishing machine A machine for cleaning and polishing grains comprises at least one treatment chamber which includes an upper frusto conical baffle having a central opening to admit grains thereinto, an intermediate rotatory disc to impart movement to the grains falling t... | 05/11/1993 |
