Bizarre Patents
Safety System For Remove a Rider From a Vehicle by Deploying a Parachute
Methods and apparatus for reducing the velocity of a rider in or on an open cockpit vehicle when the rider is thrown from the vehicle.
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 |
| 5929660 | Dynamic, single-ended sense amplifier A single-ended sense amplifier pre-charges the data output line of a bank of memory cells or register file to approximately the switch point of an inverter that is part of a buffer, in preparation for the next data read cycle. The amplifier includes a sta... | 07/27/1999 |
| 5644384 | Reinforcing, adjustable, serviceable hinge assembly for photoimaging apparatus and a method for making same A hinged photoimaging apparatus used in photoimaging processes including a pair of rigid plates joined by upper and lower hinge plates separated by a spacer plate, the upper and lower hinge plates joining a flexible polymeric hinge. The hinge and spacer p... | 07/01/1997 |
| 5564211 | Normally enabled firearm control system that is directionally disabled A firearm, such as a shotgun, is normally-enabled at all times for firing. An authorized user, such as a police officer, wears a transmitter that transmits signal energy in all directions. The transmitter may be worn by the authorized user on the user's p... | 10/15/1996 |
| 5535871 | Detector for a security thread having at least two security detection features A security thread for documents such as currency and banknote paper comprises a plastic substrate coated with a plurality of discrete metallic patterns of electrically-conductive material, such as aluminum. The metallic patterns are arranged on the surfac... | 07/16/1996 |
| 5511385 | Independent compartment temperature control for single-pack operation A dual-pack, aircraft environmental control system has each pack dedicated to providing a temperature-controlled air supply to a corresponding compartment, either the crew or passenger, of the aircraft. Each refrigeration pack is fed hot, compressed bleed... | 04/30/1996 |
| 5499856 | Foldable front-entry walker having resistance to backward motion A foldable front-entry safety walker is disclosed having a resistance to backward motion of the walker. Various embodiments of the walker are disclosed. The walker includes a pair of side frames, along with a corresponding pair of front legs and a pair of... | 03/19/1996 |
| 5488323 | True hysteresis window comparator for use in monitoring changes in switch resistance Electronic circuitry is disclosed for interfacing with a plurality of two-position switches to determine if each switch is opened, closed or faulty to some extent. Each switch is connectable in series with a pull-up resistor and between two different volt... | 01/30/1996 |
| 5481953 | Bagel holder An improved bagel holder is disclosed that includes a rigid base and a pair of upstanding vertical sidewalls attached to the base. A first sidewall is attached such that there is no movement of the wall. A second wall is attached to the base by a piece of... | 01/09/1996 |
| 5483190 | Floating voltage controlled thermistor/platinum probe emulator Electronic circuitry for simulating the resistance characteristics of a variable resistance temperature sensing element includes a multiplier that multiplies the difference between a reference voltage and a desired value of a control voltage times the vol... | 01/09/1996 |
| 5481560 | Digital-to-pulse width converter utilizing a distributed pulse width A digital-to-analog converter includes a digital-to-pulse width converter that converts a desired digital set-point value to a corresponding signal having a pulse width indicative of the desired set-point value. The desired set-point value is fed to a com... | 01/02/1996 |
| 5470625 | Strand-of-beads wound packing product An elongated segmented wound packing product comprised of individual linked segments of hydrogel enclosed within a liquid permeable pliable material, the individual segments being connected in a strand-of-beads like configuration.... | 11/28/1995 |
| 5465715 | Positive locking biomedical electrode and connector system A biomedical monitoring or stimulating electrode that adheres to a person's skin is disclosed. The electrode is made of a thin, flat flexible material and includes a die-cut patch having one or more adhesive coatings applied on one side of the patch, a fo... | 11/14/1995 |
| 5461882 | Regenerative condensing cycle An air cycle environmental control system for an aircraft cabin is disclosed which utilizes cabin exhaust air to power a first stage turbine. This provides a significant increase in compressor power which increases the turbine cooling available in a secon... | 10/31/1995 |
| 5448444 | Capacitive pressure sensor having a reduced area dielectric spacer A silicon capacitive pressure sensor is disclosed that has a glass dielectric material sputter-deposited onto a silicon substrate of the sensor. After deposition of the bulk dielectric material, the glass is patterned and etched to form a pair of concentr... | 09/05/1995 |
| 5444901 | Method of manufacturing silicon pressure sensor having dual elements simultaneously mounted A dual-element, parallel-plate silicon capacitative pressure sensor includes a pressure sensing element and a reference element of identical structure. Both elements are separately fabricated from the same silicon wafers using identical processing steps. ... | 08/29/1995 |
| 5440931 | Reference element for high accuracy silicon capacitive pressure sensor A dual-element, parallel-plate silicon capacitative pressure sensor includes a pressure sensing element and a reference element of identical structure. Both elements are fabricated from the same silicon wafers using identical processing steps. Further, bo... | 08/15/1995 |
| 5440153 | Array architecture with enhanced routing for linear asics A linear, bipolar-type application-specific integrated circuit includes a silicon substrate having a plurality of columns of device primitives or cells. Each cell comprises a plurality of identical NPN and PNP transistors flanking a centrally-located capa... | 08/08/1995 |
| 5438880 | Electrostatic linear airspeed transducer An improved airspeed transducer for rotorcraft is disclosed having a pitot tube connected with a differential capacitive pressure sensor. The pressure differential from the pitot tube is a function of the airspeed squared. A diaphragm in the capacitive pr... | 08/08/1995 |
| 5431166 | Low profile medical electrode An electrode having an extremely low profile and suitable for disposable use includes a base sheet constructed of a flexible conductive polymer. A tab is laminated to the top of the base sheet to form a pocket between the tab and the base sheet extending ... | 07/11/1995 |
| 5425298 | Adjustable muzzle brake for a firearm A rifle has an adjustable muzzle brake attached to a muzzle end of the rifle, the muzzle brake including an inner sleeve surrounded by an outer sleeve. The two sleeves are rotatable with respect to each other and have a pattern of holes formed in each. A ... | 06/20/1995 |
| 5419424 | Currency paper security thread verification device A currency paper has a security thread embedded therein. The thread comprises a plastic substrate having a plurality of alphanumeric, metallic, electrically-conductive characters formed thereon. The characters have predetermined heights and widths and spa... | 05/30/1995 |
| 5417316 | Capacitive verification device for a security thread embedded within currency paper A verification device for a security thread embedded within currency paper includes two or more sensor channels, each channel comprising a sensor plate and a guard plate disposed adjacent to one another. The sensor plate and guard plate of one channel are... | 05/23/1995 |
| 5416699 | Propeller speed control having control parameters based on system dynamic characteristics An aircraft propeller speed control defines values for propeller speed governing control law parameters, such as gains and dynamic compensations, based on known values of propeller and engine dynamic characteristics over the complete propeller operating e... | 05/16/1995 |
| 5412328 | Non-contact current injection apparatus and method for use with linear bipolar circuits The present invention relates to a non-contact current injection apparatus and a method for using the same with linear integrated bipolar circuits. The current injection apparatus has two modes: a calibration mode and an injection mode. The apparatus incl... | 05/02/1995 |
| 5400677 | Shield for engraving machines A shield for an engraving machine or the like is disclosed that prevents the machine operator from placing his or her fingers in the work area of the machine while the ram of the machine is traveling toward the work area. The shield includes a faceplate t... | 03/28/1995 |
| 5395109 | Golf club hosel having depressions formed therein A golf club has a clubhead with a neck portion or hosel integrally formed therewith. The hosel has a generally cylindrical shape with a corresponding cylindrical concentric bore hole formed in a portion of the hosel. One or more depressions of a predeterm... | 03/07/1995 |
| 5394969 | Capacitance-based verification device for a security thread embedded within currency paper A verification device for a security thread embedded within currency paper includes a pair of capacitive plates having applied thereto time-varying electronic signals that are 180° out of phase. Disposed between the plates is a sensor element comprising ... | 03/07/1995 |
| 5381299 | Capacitive pressure sensor having a substrate with a curved mesa A silicon capacitive pressure sensor is disclosed having a silicon substrate and a silicon diaphragm separated by a glass dielectric spacer. The substrate has an upper surface formed as a mesa which is generally curved in shape, the curvature being concav... | 01/10/1995 |
| 5374827 | Bias for a conversion dynode in an electron multiplier An electron multiplier is disclosed having separate detector and conversion dynode elements. A single power supply external to the electron multiplier is used to bias the detector element. A DC-to-DC voltage converter within the electron multiplier is res... | 12/20/1994 |
| 5375034 | Silicon capacitive pressure sensor having a glass dielectric deposited using ion milling A silicon capacitive pressure sensor is disclosed having a silicon diaphragm and a silicon substrate arranged in parallel and separated by a glass dielectric spacer. The glass is deposited onto a surface of the substrate using an ion milling machine. The ... | 12/20/1994 |
| 5372125 | Positive locking biomedical electrode and connector system A biomedical monitoring or stimulating electrode that adheres to a person's skin is disclosed. The electrode is made of a thin, flat flexible material and includes a die-cut patch having a non-conductive adhesive coating applied on one side of the patch, ... | 12/13/1994 |
| 5367641 | MIL-STD-1553 interface device having a bus controller minor frame timer An integrated circuit ("IC") interfaces a piece of communications equipment to a MIL-STD-1553 bus in accordance with the MIL-STD-1553 interface standards and operates in the MIL-STD-1553 defined bus controller mode of operation. The IC implements a comman... | 11/22/1994 |
| 5364062 | Mounting apparatus for a railroad air brake cylinder Apparatus for mounting an air brake cylinder to a bolster casting of a railroad car includes an adaptor mounting plate disposed contiguous to the surface of the bolster casting. The plate has a plurality of holes formed therein. The bolts are inserted thr... | 11/15/1994 |
| 5356372 | Occlusive pressure-reducing wound dressing An occlusive, pressure-reducing wound dressing with a multi-layer laminate construction providing one easy-to-apply dressing. The occlusive pressure-reducing dressing includes an occlusive, wound-contacting layer made of a biologically compatible polymer.... | 10/18/1994 |
| 5354589 | Hinged structures A hinge comprises two struts around which pass the two loops of a figure-of-eight of webbing material, the ends of the webbing material being secured to each other and/or to a strut by fixing means. A number of panels are secured together by such hinges t... | 10/11/1994 |
| 5352315 | Biomedical electrode A novel biomedical electrode comprising 1) a non-conductive backing layer with instructions printed on one surface, 2) an ink layer having either a) an ink comprising silver and silver salt, or b) a blend of inks including a first ink comprising silver an... | 10/04/1994 |
| 5351880 | Multiple tier food package A box for containing two or more vertically stacked products, such as pizzas, includes a plurality of vertical side panels, along with horizontal bottom and top panels. At selected corners where pairs of adjacent side panels come together there are formed... | 10/04/1994 |
| 5350607 | Ionized cluster beam deposition of sapphire Sapphire, a highly stable oxide of aluminum having the chemical formula of Al2 O3, is placed in a crucible. The crucible is heated to vaporize the sapphire therein. The sapphire vapor is ejected through a nozzle in the crucible and i... | 09/27/1994 |
| 5333823 | Detachable device-holding apparatus for a stepladder Apparatus is disclosed that removably attaches to the top platform of a stepladder, the apparatus includes a plate mounted to the stepladder, a bucket receptacle disposed on top of the plate, the bucket receptacle being used to hold items such as paint ca... | 08/02/1994 |
| 5326105 | Sea plane sole for a golf club A golf club of either an "iron"-type, "wood"-type, or "putter"-type, has a clubhead with a face for striking a golfball. The sole of the clubhead has a contoured surface that extends from a leading edge of the striking face of the clubhead toward a rear p... | 07/05/1994 |
