Famous Patents
In 1879, Auguste Bartholdi received design patent number 11,023 titled "Design for a Statue". It was for the Statue of Liberty.
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 |
| 8125715 | Adjustable electromagnetic energy collimator An EM energy projector incorporates a final stage radiator including a shaped reflecting spike having a forward radiant axis. The shaped spike defines a set of equivalent, discrete input locations, there being a plurality of such locations. The emitters are arranged... | 02/28/2012 |
| 8117966 | Stun grenade A stun grenade that provides a flash and an associated loud report without use of pyro-ignition sources. The flash is generated by discharge of a conventional flash bulb. The loud, explosive noise comes from rupturing of an inflatable bag at a predetermined rupture ... | 02/21/2012 |
| 8111836 | System and method using a phased array of acoustic generators for producing an adaptive null zone A performance venue with a main speaker system is provided having a target coverage area within the performance venue. A performance area is located within the performance venue outside the target coverage area of the main speaker system. A low frequency directed au... | 02/07/2012 |
| 8111585 | Underwater acoustic transducer array and sound field shaping system A sonar system includes an objective having reflecting surface(s) with coincident forward radiant axes. Each of the reflecting surfaces defines sets of equivalent acoustic output/receiving locations allowing the use of a plurality of transducers with each reflecting... | 02/07/2012 |
| 7959373 | Sliding gate apparatus A gate apparatus has a pair of spaced apart base assemblies and a gate assembly. Each base assembly has a base frame with leg assemblies and braces and a receiver attaching to the top of the base frame and having a guide mechanism. The gate assembly has a beam engag... | 06/14/2011 |
| 7946196 | Rotary ring transfer system Rotation and positioning of a rotary index table supported from a base is effected using a cam supported from a conveyor and cam follower lock, with the conveyor and cam follower lock being mounted on a carriage set for radial movement on the base inwardly and outwa... | 05/24/2011 |
| 7912241 | Field serviceable planar loudspeaker A push-pull magnetic-planar acoustic transducer provides easy field replacement of a diaphragm. Push-pull magnetic-planar acoustic transducers are known for the relative vulnerability of their diaphragms to damage. Replacement of the transducers in the field as been... | 03/22/2011 |
| 7912234 | Acoustic projector for propagating a low dispersion sound field A broadband sound generator and transmitter provides minimal attenuation of sound over the distance between the generators and a point at a selected distance. The transmission component includes a parabolic dish and a positionable framework for the sound generators.... | 03/22/2011 |
| 7903834 | Curve fitted electrodynamic planar loudspeaker A curve fitted planar loudspeaker minimizes variation and dead zones in the sound field propagated by an array of the loudspeakers. The curve fitted loudspeaker provides a plurality of sound generating transducers. The diaphragm is curved and each adjacent section f... | 03/08/2011 |
| 7837006 | Enhanced spectrum acoustic energy projection system The sound generating and transmitting apparatus is based on a radiator including at least a first, and possibly two or more, shaped reflecting surface(s) having a forward radiant axis. Each of the shaped reflecting surfaces defines sets of equivalent acoustic input ... | 11/23/2010 |
| 7828462 | Imitation candle with simulated lighted wick using external light source A decorative, imitation candle effectively simulates a lighted wick in a darkened environment by location of a light source at the tip of an imitation wick. The light source is provided by an LED located at the tip of the wick for direct viewing in order to obtain m... | 11/09/2010 |
| D625706 | Housing for public address system | 10/19/2010 |
| 7813516 | System for cardioid sound field generation from dissimilar sources Front to back linear arrays of loudspeakers provide a sound field compressed both vertical and horizontally with the horizontal directivity patter exhibiting a cardioid shape. The problem addressed is improving the horizontal directivity of linear arrays. A linear a... | 10/12/2010 |
| 7805987 | System and method for pneumatic tire defect detection Differential expansion (or contraction) of areas of a tire sidewall is measured by constructing height profiles of the tire at each of at least two different static pressures to detect defects in the tire. Light sources project a plurality of illuminated lines onto ... | 10/05/2010 |
| 7773765 | Rectangular horn for varied acoustic drivers A loudspeaker assembly is described suitable for flown arrays and incorporating a horn load planar or ribbon transducer. Planer acoustic transducers have a relatively limited power output capacity. Addition of a horn suitable for an elongated source effectively ampl... | 08/10/2010 |
| 7766122 | Acoustic energy projection system The sound generating and transmitting apparatus is based on a radiator including at least a first, and possibly two or more, shaped reflecting surface(s) having a forward radiant axis. Each of the shaped reflecting surfaces defines sets of equivalent acoustic input ... | 08/03/2010 |
| D620475 | Housing for public address system | 07/27/2010 |
| 7760899 | Subwoofer with cascaded array of drivers arranged with staggered spacing A single folded, expanding horn loudspeaker reproduces low frequency audible sound at high power output levels. A compact enclosure houses a plurality of identical transducers, characterized by small vibrational surface areas. The throats for each transducer into th... | 07/20/2010 |
| 7741597 | Motion sensor with LED alignment aid A motion sensor incorporates an internal light source, typically a super bright LED and an optical projection system visible to an observer standing in the motion sensor coverage zone(s) to simplify orientation of the sensor on installation. A multi-lens system or a... | 06/22/2010 |
| D617774 | Housing for public address system | 06/15/2010 |
| D608347 | Acoustic hailing device enclosure | 01/19/2010 |
| 7624839 | Enclosure for symbiotic active/passive operation of an acoustic driver A compact loudspeaker enclosure combines planar type devices for high frequency sound reproduction and cone type active devices for low frequency sound reproduction. The low frequency cone type transducers are mounted in baffles between forward and rear enclosed spa... | 12/01/2009 |
| 7621369 | Acoustic energy projection system The sound generating and transmitting apparatus is based on a radiator including at least a first, and possibly two or more, shaped reflecting surface(s) having a forward radiant axis. Each of the shaped reflecting surfaces defines sets of equivalent acoustic input ... | 11/24/2009 |
| 7534084 | Tow trailer assembly A modular tow trailer assembly tows cargo behind a motor vehicle. A base assembly pivotally connects to a fork assembly. A hydraulic lifting cylinder moves the wheels downward relative to the fork assembly to raise the fork assembly into a towing position with the l... | 05/19/2009 |
| 7530424 | Sonic boom simulator A supersonic boom simulator constructed from a directed coherent sound pulse source, a waveguide and a bass trap at the opposite end of the waveguide from the directed coherent sound pulse source. ... | 05/12/2009 |
| D591726 | Housing for acoustic projector | 05/05/2009 |
| 7464509 | Security wall The security wall of the invention is easy to assemble under field conditions to protect buildings and other objects from explosions, vehicle ramming and artillery projectiles. The security wall has a frame made from interlocking parallel horizontal beams and vertic... | 12/16/2008 |
| 7459672 | Motion sensor with LED aiming aid A motion sensor incorporates an internal light source, typically a super bright LED. A multi-lens system or an arrangement of small windows in front of the LED projects a visible light pattern that mimics the detection pattern of the motion sensor to an observer sta... | 12/02/2008 |
| 7326022 | Tow trailer assembly A modular tow trailer assembly tows cargo behind a motor vehicle. A base assembly pivotally connects to a fork assembly. A hydraulic lifting cylinder moves the wheels downward relative to the fork assembly to raise the fork assembly into a towing position with the l... | 02/05/2008 |
| 7278986 | Safety syringe with needle A multi-use safety syringe has a retractable needle that retracts only when the user wants to retract the needle. The safety syringe has an internal moveable carriage that locks to an end cap with releasable locking elements. The safety syringe guards against premat... | 10/09/2007 |
| 7277552 | Increased LF spectrum power density loudspeaker system The power density of a bass-reflex enclosure is improved by providing transducers in pairs, with the members of each pair being oriented front to back with respect to one another. The transducers are mounted on the enclosure with at least one of the transducers bein... | 10/02/2007 |
| 7249780 | Air assist adaptation for leaf spring suspension systems An air spring and a linear guide are used to boost the effectiveness of a leaf spring suspension system for a motor vehicle. The air spring mounts between the axle and the vehicle frame. The aft end of the leaf spring mounts to the linear guide to allow the leaf spr... | 07/31/2007 |
| 7046440 | 3-D vision system for swimming pools A decorative treatment for swimming pools provides underwater anaglyphs for adhesion to the pool sides and filtering stereoscopic underwater goggles for use by swimmers in viewing the anaglyphs. ... | 05/16/2006 |
| 7044493 | Trailer hitch tow bar assembly The invention is a tow bar assembly used for towing trailers with vehicles. The tow bar assembly is located between the vehicle and the hitch assembly, such as a ball mount hitch assembly. ... | 05/16/2006 |
| 6992591 | Marker lights for wireless doorbell transmitters and other devices Battery powered LEDs operated at a small fraction of their rated capacity to provide a level of illumination useful as a marker for darkness adjusted vision. Long battery life is achieved using super bright, broad spectrum LEDs. ... | 01/31/2006 |
| 5917486 | System and method for client program control of a computer display cursor A cursor positioning system for a data processing system having a user interface shell defining positions for user entry of commands and data, a hot spot associated with a position in the user interface shell and a hot spot positioning device is disclosed... | 06/29/1999 |
| 5304861 | Circuit for the detection of temperature threshold, light and unduly low clock frequency A detection circuit that does not vary with the supply voltage is formed by measuring the voltage generated at the terminals of a diode (1) which is reverse biased and is supplied by a constant current generator (2). Furthermore, the generator (2) is impr... | 04/19/1994 |
| 5179660 | System for reducing communications overhead in distributed database transactions by serializing in order related requests into single transmission message and receiving transmission response A system suitable for use on a computer network provides a user interface on a local node and an application to be run on a remote node. An application for accepting input from the user and translating it to appropriate commands for the remote application... | 01/12/1993 |
| 5175813 | Window display system and method for creating multiple scrollable and non-scrollable display regions on a non-programmable computer terminal A windowing system provides an interface between application programs and non-programmable terminal drivers. The system presents logical windows to the applications program, each of which are represented internally by at least two separate parts. The firs... | 12/29/1992 |
| 5161219 | Computer system with input/output cache A computer system has a cache located between input/output devices and a main system memory. All system memory accesses by the input/output devices are made through the cache. Memory accesses through the cache are limited to those addresses which are acce... | 11/03/1992 |
