Bizarre Patents
Cloaking System Using Optoelectronically Controlled Camouflage
A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.
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 |
| 5623889 | Mooring and ramp system for ferry boats The subject system includes a ramp subsystem and a mooring subsystem and is intended for use with multi deck ferry boats with ramp service directly to each deck. The ramp subsystem is carried on a float which is connected to the shore by a ramp hinged to ... | 04/29/1997 |
| 5623890 | Safe exit indicating firehose coupling A firehose coupling which helps fire fighters determine the direction to safety along a firehose. The preferred embodiment of the firehose coupling incorporates an elongated extension integrally attached to each lug of a male component of the firehose cou... | 04/29/1997 |
| 5623891 | Internal fault indicator for a transformer The internal fault indicator includes an open ended housing mounted in an opening in the wall of a transformer casing. An indicator lens is attached over a first open end of the housing and a diaphragm is attached over a second open end of the housing wit... | 04/29/1997 |
| 5623892 | Hinge assembly for providing a cat litter box with a readily removable hinged cover A hinge of single piece construction particularly adapted for providing a removable pivotal attachment for a raised cover on a cat litter box wherein the rearward ends of the litter container and cover are each provided with vertical slots positioned such... | 04/29/1997 |
| 5623893 | Adjustable fan shroud arrangement A first adjustment arrangement facilitates adjustment of a plenum in a first direction of movement relative to a fan axis and a second adjustment arrangement facilitates adjustment of a shroud in a second direction of movement transverse the first directi... | 04/29/1997 |
| 5623894 | Dual compression and dual expansion engine An improved dual compression and dual expansion internal combustion engine defined by an external housing with a first piston sleeve and a second piston sleeve, a reciprocating internal housing disposed within the external housing, the internal housing ha... | 04/29/1997 |
| 5623895 | V-type, multi-cylinder, two-cycle engine An improved scavenging control system for a multi-cylinder, V-type, two-cycle crankcase compression internal combustion engine. In each embodiment, a scavenging manifold extends along one side of the crankcase chamber and communicates with the individual ... | 04/29/1997 |
| 5623896 | Valve timing control apparatus for engine A valve timing control apparatus that continuously controls the valve timing of an intake valve or an exhaust valve of an engine. This apparatus includes a hydraulic variable valve timing mechanism, a hydraulic control valve and an electronic control unit... | 04/29/1997 |
| 5623897 | Engine valve control system using a latchable rocker arm activated by a solenoid mechanism A valve control system for an internal combustion engine which does not require synchronization with the engine rotation is disclosed. The system includes an actuator having a coil electrically energized by a control unit causing a stator to magnetically ... | 04/29/1997 |
| 5623898 | Variable duration hydraulic valve lifters Variable duration hydraulic lifters having either the conventional flat bottom surface or a roller mounted in their bottom end for engagement with a cam. The unique plungers have an upper portion and a lower portion whose outer cylindrical surfaces have g... | 04/29/1997 |
| 5623899 | Valve timing gear for an internal combustion engine In a valve timing gear for an internal combustion engine having valves, means for actuating the valves and oil supply passages for supplying lubricating oil to the valve actuating means, the oil supply passages have side bores with outlet openings arrange... | 04/29/1997 |
| 5623900 | Internal-combustion engine comprising an intake system An internal-combustion engine comprising an intake system has a chamber with an intake connection and individual suction pipes which are connected with a cylinder head and which, by means of valves, lead into the individual cylinders. An air supply and ai... | 04/29/1997 |
| 5623901 | Time twister cylinder head for use in internal combustion engines A time twister cylinder head includes two rotary valves driven by a timing belt coupled to the engine crankshaft by belts and pulleys to describe a desired rate of rotation of the valves with respect to rotation of the crankshaft. Each valve is generally ... | 04/29/1997 |
| 5623902 | Method and arrangement for idle adjustment of an internal combustion engine A method and an arrangement for idle adjustment of an internal combustion engine provide that the idle rpm is increased when the engine is warm. A warm engine is then present when the oil temperature exceeds a threshold at which the oil pressure can becom... | 04/29/1997 |
| 5623903 | Idle speed control method and apparatus for an internal combustion engine It is determined whether or not the absolute value of a deviation ƊI between an electric load current value Ifbon at the start of idle speed feedback and a present electric load current value Iel is greater than a predetermined threshold value Xdiel (S31... | 04/29/1997 |
| 5623904 | Air-assisted fuel injection system A number of embodiments of induction systems for internal combustion engines having fuel injector which spray fuel into the intake passages serving the individual combustion chambers. An arrangement is provided for injecting auxiliary air into the intake ... | 04/29/1997 |
| 5623905 | Method and arrangement for controlling an internal combustion engine The invention is directed to a method and an arrangement for controlling an internal combustion engine. An electronic adjustment of a power adjusting unit for influencing the supply of air is provided. The adjustment of this power adjusting unit as well a... | 04/29/1997 |
| 5623906 | Fixed throttle torque demand strategy This invention teaches operating a vehicle with a fixed throttle by determining a modified torque which is determined as a function of driver demand torque. Such modified torque is used to determine the amount spark retard or fuel cut-out required to achi... | 04/29/1997 |
| 5623907 | Liquid propane fuel delivery system A liquid propane fuel storage and delivery system for a vehicle engine with a fluid handling component module removably top-mounted on an appropriate vehicle-mounted pressurized liquid propane fuel storage tank. The module includes: (1) a fuel tank 80% st... | 04/29/1997 |
| 5623908 | Engine controller with air meter compensation during engine crank An engine controller compensates for changes in air pressure and intake of the engine during engine crank which are caused by injection of fuel into the intake. The engine controller compares rotational speed of the engine to a threshold value and determi... | 04/29/1997 |
| 5623909 | Injection timing and power balancing control for gaseous fuel engines According to the present invention, an apparatus and method for controlling injection timing and power balancing in a gaseous fuel engine with an electronic control unit and a shaft encoder is disclosed. The engine includes an engine block having at least... | 04/29/1997 |
| 5623910 | Check and vent valve assembly A combination check and vent valve assembly for an automotive engine fuel system. The valve assembly has a fuel passage through a housing with an inlet communicating with a fuel pump outlet and an outlet to supply fuel to the engine. A check valve is disp... | 04/29/1997 |
| 5623911 | Fuel vapor treating apparatus Disclosed is a fuel vapor treating apparatus, in which fuel vapor evaporated in a fuel tank is not released directly into the atmosphere but is collected and treated. This apparatus is provided with a canister for collecting fuel vapor and a purge line fo... | 04/29/1997 |
| 5623912 | Ignition control circuit, and engine system A respective power semiconductor switch (M1, M2, M3) is provided for each ignition coil (20) of an internal combustion engine. Each such switch (M1, M2, M3) has a first main electrode (C) for coupling the primary winding (20a) of the associated ignition c... | 04/29/1997 |
| 5623913 | Fuel injection control apparatus A fuel injection apparatus for internal combustion engine of this invention applies detection output of a wide-range air/fuel ratio sensor to an observer so as to estimate an air/fuel ratio of individual cylinder and, based on thus estimated air/fuel rati... | 04/29/1997 |
| 5623914 | Air/fuel ratio control apparatus Fuel vapor is produced in a fuel tank and absorbed in a canister. The absorbed fuel vapor is purged through a purge passage into an engine induction passage under predetermined engine operating conditions. The air/fuel ratio is learned for air/fuel ratio ... | 04/29/1997 |
| 5623915 | Archery bowstring system A compound archery bow is provided with a power cable system in which two pairs of parallel, laterally spaced power cable stretch segments extend parallel to and symmetrical with respect to the operating plane of a bowstring extending between eccentric ca... | 04/29/1997 |
| 5623916 | Method and apparatus for cutting grooves into diamonds and precious stones A device for holding and positioning stones that are being prepared for invisible set jewelry. The device includes an automatically cooled blade and a holding member for holding the stone wherein the position of the stone may be adjusted linearly and angu... | 04/29/1997 |
| 5623917 | Sealed burner assembly A gas burner assembly for a domestic appliance including a mounting bracket secured to a gas burner and cooperating with an appliance top panel to removably secure the burner to the top panel. The mounting bracket engages one surface of the top panel whil... | 04/29/1997 |
| 5623918 | Inducer condensate channel A high efficiency furnace having a heat exchanger and an inducer fan housing attached to the flue gases exit of the heat exchanger to draw flue gases out of the exchanger and force the gases out of the furnace under pressure through a venting system. A co... | 04/29/1997 |
| 5623919 | Campfire reflective sheet When a person is sitting in a chair facing an outdoor campfire, the radiant heat created from the fire can only be felt on parts of a person's body directly exposed to the fire. Other parts of the body not directly exposed to the radiant heat, such as a p... | 04/29/1997 |
| 5623920 | Valve assemblies A valve assembly for a pressurized aerosol container which has a neutral bias. The valve may be of the metered dose type and is preferably springless. Containers equipped with such valves may be employed in breath actuated dispensing devices with simplifi... | 04/29/1997 |
| 5623921 | Laryngeal mask airway and method for its use A laryngeal mask airway (LMA) is provided which can be easily and effectively used to intubate a patient with an endotracheal tube (ETT). The LMA of the invention is of the type having an inflatable mask and an airway tube connected to the mask. The airwa... | 04/29/1997 |
| 5623922 | Insulated breathing tube The present invention includes a method for preventing heat loss from the inhalent gas in a recirculatory aided breathing circuit thereby reducing internal vapor condensation commonly associated with such breathing circuits while also stabilizing the rela... | 04/29/1997 |
| 5623923 | Respiratory equipment with comfort adjustment A respiratory mask adapted to be fit against the face of a user is provided with a demand regulator connectable to a pressurized respiratory gas source. An extensible harness, having end portions connected to said mask, includes an inflatable element. A m... | 04/29/1997 |
| 5623924 | Apparatus and method for retaining an endotracheal tube A device and associated method for retaining an endotracheal tube in a set position during a period of intubation. The device includes a tubular element that extends at least partially into the mouth of the patient being intubated. The tubular element has... | 04/29/1997 |
| 5623925 | Virtual medical instrument for performing medical diagnostic testing on patients A virtual medical instrument (VMI) system comprises data storage for storing input diagnostic test protocols for two or more of EEG, EKG, EMG/NCV, PFT, CMG, EP, ENG, visual acuity, visual field, limb dynometric and audiogram testing. The VMI system includ... | 04/29/1997 |
| 5623926 | Handheld electrocardiogram monitor with electrodes mounted on swing arms A handheld electrocardiogram monitor with electrodes mounted on swing arms which are rotatably mounted on the bottom case of the ECG monitor housing, to which the swing arms are frictionally engaged and also engaged by means of a detent mechanism which in... | 04/29/1997 |
| 5623927 | Multiple patient breast scanning on a magnetic resonance imaging apparatus Magnetic resonance imaging systems typically have a single patient handling system which allows the sequential scanning of individual patients. Such apparatus limit patient throughput and consequently the utility of magnetic resonance imaging systems. The... | 04/29/1997 |
| 5623928 | Method and apparatus for coherent image formation A method and apparatus are provided for imaging an object using a transducer array for transmitting one or more beams that are steered and/or translated to transmit scan lines for multiple excitation events so as to scan a field of view of the object, for... | 04/29/1997 |
