Quotables
"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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 |
| 5087409 | Pressure vessel improvement A multiple shell pressure vessel is fabricated in modular sections comprising a top head module, a nozzle course module and a bottom shell module, each module utilizing telescoping shells with filled interspaces, each shell being removable for inspection ... | 02/11/1992 |
| 5070582 | Chain tight chain binder A load binder tool uses a pair of first and second coupler-tension members pivotal connected, at spaced apart centers, to an operating handle. A pair of major gear members engage a pair of minor gear members attached to the first coupler-tension member. A... | 12/10/1991 |
| 5052641 | Method to construct variable area, membrane spar and wing airfoil aircraft and kite wings and suitable aelerons The presented invention gives methods to construct two types and three kinds of variable area aircraft or kite wings. The wings share a common method of increasing or decreasing in area through fixed fuselage or fixed wing spars and opposing travel, trave... | 10/01/1991 |
| 5020445 | Truck-train system for transporting truck trailers along rails using railway dollies A truck-train system uses a railway dolly or bogie to support the front end of one truck-trailer and the rear end of another truck-trailer. A pair of truck-trailer support members are pivotally connected to the railway dolly. They are provided with a fixe... | 06/04/1991 |
| 4974213 | Passive active underwater sound detection apparatus A three-dimensional large scale rectilinear array of hydrophones comprising a plurality of equally spaced, fixed position, omni-directional, electro-acoustic transducers, utilizes aperture steering circuits to create a polar coordinate map indicating the ... | 11/27/1990 |
| 4958470 | Elevated post anchor A structural support is adapted to elevate the base of a structural member, such as, a wooden post, above a concrete surface where is would be subject to water related wood damage. A supporting shaft is connected at its upper end, to a generally U-shaped ... | 09/25/1990 |
| 4910959 | Pulsed catalytic supercharger silencer A pressure wave supercharger utilizes a rotor having closely spaced conduits in a rectangular array whose inside surfaces are provided with a catalyst for exothermic oxidation of incompletely burned exhaust gases. The size, geometry and length of the cond... | 03/27/1990 |
| 4898391 | Target shooting game A target shooting apparatus utilizes a plurality of light beam emitting guns or rifles to shoot at a plurality of targets, the individual light beam guns being identified by frequency encoding the light beam emitted by each rifle. The first rifle to "hit"... | 02/06/1990 |
| 4860560 | Restraining device A device for restraining a person utilizes a belt adapted to be attached to the waist of the person being restrained with a pair of right and left arm restraining members attached to the person's wrists. The end of each arm restraining member distal the w... | 08/29/1989 |
| 4800469 | Wheel mounted safety light A safety warning light is adapted be mounted on the valve stem of a tire or clip to the clothing of a wearer. The apparatus includes a two-part housing and utilizes a light source, such as, a light emitting diode, powered by a battery that is connected to... | 01/24/1989 |
| 4789100 | Multiple fluid pumping system An apparatus for mixing and dispensing multiple fluids utilizes two fluid reservoirs each in fluid communication with a respective pump for pumping the fluids to a mixing head, the pumps being mechanically connected to each other and adapted to pump fluid... | 12/06/1988 |
| 4767593 | Multiple shell pressure vessel A multiple shell pressure vessel utilizes a number of spaced apart, concentrically disposed pressure vessel shells within and spaced apart from an outer pressure vessel shell, the spaces between each shell being filled with a low melting point, high boili... | 08/30/1988 |
| 4765509 | Pumping system A multiple fluid pumping system uses two or more fluid pumps each driven by a pneumatic piston or plunger and cylinder combination whose piston top stroke and bottom stroke positions are detected by reed switches in combination with a magnet attached to t... | 08/23/1988 |
| 4739598 | Mudsill anchor An improved mudsill anchor is provided with tabs is its attachment arm or arms for fastening the anchor temporarily to a form board without nails to achieve significant savings in labor and improvement in lateral stability of the anchor during installatio... | 04/26/1988 |
| 4736982 | Convertible chair A chair that converts from a conventional seat and back rest type of chair to a seat and knee rest type of chair utilizes a seat that is pivotally connected to a base support that, when pivoted, is rotated from a generally horizontal plane when used as a ... | 04/12/1988 |
| 4724829 | Anatomical aid A compression assembly is used to maintain engorgement of the penis and comprises a generally cylindrical compression member having one end adapted to engage and compress perpendicularly against the pubic region proximate the base of the engorged penis.... | 02/16/1988 |
| 4701112 | Pumping system A multiple fluid pumping system uses two or more fluid pumps each driven by a pneumatic piston or plunger and cylinder combination whose piston top stroke and bottom stroke positions are detected by reed switches in combination with a magnet attached to t... | 10/20/1987 |
| 4700917 | Adjustable load binding hook An adjustable load binding hook for use on truck beds and trailers utilizes a generally rectangular base support having first and second base support flanges along opposite sides of the base support member. The first and second base support flanges are an... | 10/20/1987 |
| 4681354 | Window grill latch A latch for a window grill utilizes an upper latch member and a lower latch member spring biased together and each having side panels adapted to engage a wedge or cam member for moving the upper and lower latch members toward and away from each other. The... | 07/21/1987 |
| 4664282 | Variable shape structure A structure for holding plants, flowers or other objects utilizes a plurality of generally rectangular bar members having a hole at each end, the generally rectangular bar members being stacked in alternate directions in a rectilinear array, the holes pro... | 05/12/1987 |
| 4663567 | Generation of stable linear plasmas An ionizable material is injected in the shape of concentric jet and cylindrical column of gases from a cathode-nozzle toward an anode and subjected to a very short, high voltage pulse of electrical current having sufficient magnitude to create a high mag... | 05/05/1987 |
| 4663609 | Brake alert device A brake light warning system for a motor vehicle causes the brakes lights to flash in a manner to attract the attention of a driver to the rear of the vehicle and provide a more effective warning of a slow down or stopping of the vehicle especially during... | 05/05/1987 |
| 4632598 | Movable roadway barrier An elongated roadway barrier having an upright wall attached to a base support adapted to engage a roadway surface is provided with retractable wheels which are lowered simultaneously with the application of a lateral force to the barrier using a cable sy... | 12/30/1986 |
| 4592678 | Modular block retaining wall A retaining wall utilizes an ordered array of modular blocks each having a horizontal cross-section defining a double "T" shape, the top of the double "T" defining a vertical planar member having a horizontal length greater than the vertical height with t... | 06/03/1986 |
| 4560191 | Door security device A security device for a door utilizes a first bracket member attached proximate one jamb of a door with a chain attached to said bracket and adapted to be fastened to a second chain engaging bracket member fastened proximate the other jamb of the door. Th... | 12/24/1985 |
| 4535962 | Object holding device for decorative structure A pair of elongated support leg members are configured to engage and hold an object by clamping around a narrow portion of the object, with the ends of the leg members defining inverted hooks which are adapted to engage and be supported by a pair of space... | 08/20/1985 |
| 4529160 | Standing adjustable decorative structure Three or more vertical posts or decorative support members are connected to the ends of three or more articulable, serially connected linkage members by a base support pin or member proximate the bottom end of each of the vertical posts through the holes ... | 07/16/1985 |
| 4511171 | Wheelchair restraint An apparatus for restraining a wheelchair in a transit vehicle utilizes a fixed bumper that is adapted to engage the rear portion of a wheelchair wheel in which a movable restraining bumber is adapted to hold the wheelchair wheel in compression between th... | 04/16/1985 |
| 4499970 | Wayside wheelchair lift A lifting platform for the handicapped for a transit system utilizes a pair of side support members mounted on a fixed base support at ground level in which the platform is located between the side supports and raised and lowered by a set of rotating actu... | 02/19/1985 |
| 4498694 | Door repair system A door repair device utilizes a generally rectangular U-shaped member adapted to enclose and engage the edge of a door proximate the latch and door handle location. The door latch mechanism is mounted on the saddle portion of the U-shaped member with a la... | 02/12/1985 |
| 4498314 | Fingernail jewelry device A fingernail jewelry device utilizes a first arcuate support leg having a curvature approximating the curvature of a fingernail as defined by the line of intersection of the fingernail with a plane perpendicular to the longitudinal axis of the fingernail ... | 02/12/1985 |
| 4494043 | Imploding plasma device An ionizable material is ejected in the shape of a cylindrical column from a cathode-nozzle toward an anode and subjected to a very short, high voltage pulse of electrical current having sufficient magnitude to create a high magnetic field which implodes ... | 01/15/1985 |
| 4441097 | Device for controlling a circuit A pressure sensing mat utilizes a thin sheet of semiconductor material that has an electrical conductivity generally invariable as to pressure applied to the mat material. The sheet of semiconductor material is sandwiched between sheets of copper, steel o... | 04/03/1984 |
| 4438919 | Mechanical bouncing, rolling and skating apparatus A recreational apparatus utilizes an upper housing having generally cylindrical side walls adapted to telescopically enclose a bottom support member utilizing a plurality of first guide members to engage corresponding second guide members connected to sai... | 03/27/1984 |
| 4437841 | Outboard jet drive steering mechanism A steering apparatus for an outboard jet engine utilizes a channel or conduit along the underside of a boat hull in combination with a channel or conduit extension member to guide water to the inlet port of the jet outboard propulsion apparatus, the botto... | 03/20/1984 |
| 4397285 | Closed loop diesel engine control A method and apparatus for achieving optimized efficiency combustion in a diesel internal combustion engine utilizes a cylinder pressure detector which measures peak cylinder pressure relative to crankshaft timing and compares it with a speed-load-timing ... | 08/09/1983 |
| 4391296 | By-pass pilot operated hydraulic check valve An electriclly actuated, spring biased closed solenoid valve comprising a valve actuating coil, a valve bias spring, a valve plug and a valve seat is adapted to be mechanically actuated by an hydraulic actuated piston actuated by hydraulic fluid in a seco... | 07/05/1983 |
| 4359660 | Series diode X-ray source A multiple cathode-anode pulsed X-ray source utilizes a first X-ray transparent cathode spaced apart from a solid tungsten first anode between which is disposed a second tungsten anode spaced apart from the first cathode and electrically connected to a se... | 11/16/1982 |
| 4347505 | Device for controlling a circuit A pressure sensing mat utilizes a thin sheet of semiconductor material that has an electrical conductivity generally invariable as to pressure applied to the mat material. The sheet of semiconductor material is sandwiched between sheets of copper, steel o... | 08/31/1982 |
| 4323009 | Article crushing device An article crushing device having a base support on which is mounted an anvil bracket for supporting the item to be crushed includes a crushing piston disposed in a cylindrical housing which is adapted to slidably move therein. An operating handle, pivota... | 04/06/1982 |
