Famous Patents
Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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 |
| 6144214 | Method and apparatus for use in IDDQ integrated circuit testing A built in current sensor circuit (BICS) for use in integrated circuit testing utilizing the Quiescent Power Supply testing technique comprised of a detecting transistor, an s-ram cell and a buffer cell electrically coupled in a cascaded configuration to ... | 11/07/2000 |
| 6098028 | Communication line test apparatus with an improved graphical user interface A novel graphical user interface for test device applications which permits simultaneous display of system status and alarm information while supporting graphically based test device I/O and configuration. The present invention also includes a novel graph... | 08/01/2000 |
| 6095059 | Portable seat assembly A portable seat assembly for removable attachment to a trunk latch of a vehicle, having a bumper comprising in combination a seat portion having an upper surface and a lower surface, a support connected to the seat portion allowing the seat portion to res... | 08/01/2000 |
| 6090294 | Apparatus for the purification of water and method therefor An apparatus and method for the purification of contaminated water whereby the contamination level of the wastewater is automatically monitored and treatment self-adjusted and continued until the desired level of purification is reached. Specifically, if ... | 07/18/2000 |
| 6070423 | Building exhaust and air conditioner condenstate (and/or other water source) evaporative refrigerant subcool/precool system and method therefor First, a system for providing liquid refrigerant subcooling, subsequent to that subcooling accomplished by the primary condenser of an air conditioner or heat pump, by means of evaporative cooling utilizing the condensate water of said air conditioner or ... | 06/06/2000 |
| 6069070 | Multilevel interconnections of electronic components A process for forming an electronic component carrier, the electronic carrier having routing layers parallel to an aluminum substrate and vias perpendicular to the aluminum substrate, the process comprising defining routing layers by forming a blocking ma... | 05/30/2000 |
| 6046416 | Cover for ceiling fan reversing switch A reverse switch cover assembly for a ceiling fan, comprising in combination a ceiling fan canopy with a rounded housing, a hole in the housing for mounting a reverse switch, a pair of mounting screws, a cover having a center portion and side portions of ... | 04/04/2000 |
| 6043569 | Zero phase sequence current filter apparatus and method for connection to the load end of six or four-wire branch circuits An apparatus and method for substantially reducing zero sequence harmonic currents at the load-end of branch circuits that supply single-phase, non-linear loads. The invention includes a three-phase, six-terminal, zig-zag autotransformer which functions a... | 03/28/2000 |
| 6042900 | CVD method for forming diamond films Method is provided for forming CVD nano diamond films for use as cold cathodes in microelectronic devices. Conditions for forming the film outside the plasma region between the cathode and a grid anode are disclosed. Heating of the grid anode makes possib... | 03/28/2000 |
| 6039874 | Apparatus and method for purification of agricultural animal waste An apparatus and method for treating and reusing the wastewater discharged from agricultural animal farms. The apparatus and method of the present invention is designed to be a zero discharge system in which no wastewater will be discharged or spray irrig... | 03/21/2000 |
| 6038822 | Octagonal shaped concrete block Construction blocks having a generally octagonal configuration. The octagonal shape is defined by first through eighth external side portions respectively connected end-to-end to define an octagonal shape with respective first through eighth corners; a tr... | 03/21/2000 |
| 6037398 | SBR-SBS modified asphalt roofing compositions especially adapted for cold application SBR-SBS modified asphalt and aluminum compositions are especially adapted for cold application to roofs while providing more UV protection.... | 03/14/2000 |
| 6032968 | Hydraulic transmission for bicycles A drive mechanism for a bicycle comprising a pump unit driven by the rotation of the bicycle pedals, a hydraulic motor driven by the pump unit, a conduit system creating a closed hydraulic system for circulating hydraulic fluid between the pump unit and t... | 03/07/2000 |
| 6019830 | Cold application, fly ash aqueous colloidal dispersion driveway sealers Aqueous colloidal dispersion driveway sealer compositions especially adapted for cold application are made available through the controlled utilization of fly ash.... | 02/01/2000 |
| 6018238 | Hybrid non-contact clamp-on current meter A magnetic core for a hybrid non-contact current meter having a magnetic core that is adapted for encircling a current carrying conductor wherein the magnetic core includes a first portion having a first integral toroidal section and a first pair of oppos... | 01/25/2000 |
| 6015233 | System for monitoring the temperature of a rotating devices An improved system for monitoring the temperature of a rotating device comprising: a sensing means; an antenna means; a receiver means; an amplification means; a first splitting means; a phase lock loop circuit; a second splitting means; an amplitude modu... | 01/18/2000 |
| 6010110 | Grommet for ceiling fan pull chain switch A pull chain switch grommet for aesthetically covering the hole in the switch housing of a ceiling fan, comprising a switch housing having a wall with a hole therethrough for a pull chain, a coupler, a means for securing said coupler to the pull chain swi... | 01/04/2000 |
| 6007535 | Multi-plane bone distraction system A multi-plane bone distraction system including a saw guide, a drill guide, a rigid plate and a distraction assembly for use as a distraction device in cutting and lengthening the bone or as a compression device in cutting and shortening the bone in conju... | 12/28/1999 |
| 6005343 | High intensity lamp A high intensity lamp is provided based on an open discharge between a cathode grid anode and a collector. A phosphor layer on the collector is excited by an electron beam to produce light or ultraviolet radiation to produce light.... | 12/21/1999 |
| 5992811 | Clamp for securing devices An adjustable tension clamp for securing a secondary lawn care device to a primary lawn care device comprising: a substantially u-shaped body; a first bracket; a first pair of parallel disposed rollers; a first journalled means for connecting said first p... | 11/30/1999 |
| 5988580 | Aesthetic components for ceiling fans A canopy screw cover for aesthetically covering the mounting screw heads of a ceiling fan canopy, comprising a mounting screw having a head, an annular ring, and a recess formed in the annular ring in which is positioned the head of the mounting screw whe... | 11/23/1999 |
| 5975317 | Collapsible card display A collapsible display device for displaying cards comprising of a base, a vertical support member extending vertically from the base, an array of shelves spaced longitudinally along the length of the vertical support member, and a securing means for retai... | 11/02/1999 |
| 5975615 | Golf cart enclosure and windshield bracket Enclosure and windshield retaining brackets for retaining a golf cart enclosure panel and a golf cart windshield in a position adjacent a golf cart windshield frame. The bracket has two preferred embodiments, the first embodiment having a U-shaped frame m... | 11/02/1999 |
| 5970728 | Multiple compressor heat pump or air conditioner In a refrigeration system, a multiple compressor system for maintaining the heat output constant while the outside ambient temperature continues to decrease. The present invention comprises of a primary compressor and at least one secondary compressor. Th... | 10/26/1999 |
| 5947436 | Ceiling fan hanger bracket, canopy and canopy hole cover A canopy hole cover assembly for a ceiling fan comprising in combination a ceiling fan hangar bracket, a down rod for suspending the ceiling fan from the ceiling fan hangar bracket, a canopy having a mounting hole, an annular plate, and means for mounting... | 09/07/1999 |
| 5949295 | Integratable tunable resonant circuit for use in filters and oscillators A circuitry arrangement for a resonant circuit that may be completely monolithically integrated and electrically tuned has a differential amplifier stage with two transistors T1,T1 ' fed by a constant current source I0 tha... | 09/07/1999 |
| 5927983 | Intracoronal bristle brush An intracoronal bristle brush for preparing a tooth cavum comprising a plurality of bristles and a dental bit having a first portion being a shank adapted to be received by a dentist's handpiece and a second portion for receiving the plurality of bristles... | 07/27/1999 |
| 5923162 | Non-inductive lead path hall effect electrical current sensor An electric current sensor employing a Hall effect generator to be used in measuring electrical currents flowing in a current carrying conductor including a printed circuit board, an amplifier, a control current source, a toroid core having a gap, a Hall ... | 07/13/1999 |
| 5911793 | Transmission with semi-floating shafts A transmission for propeller driven vehicles comprising semi-floating input and output shafts rotatably supported in a main gear case. The shafts are supported on bearings which are free from any locking engagement with the shafts. The bearings are secure... | 06/15/1999 |
| 5896061 | Homodyne receiver and process for correcting the converted received signal The invention pertains to a homodyne receiver, in particular for angle-modulated carrier signals in which the converted signal (ZF) has a d.c. voltage portion, and a process for correcting the converted receiving signal. Essentially three classes of error... | 04/20/1999 |
| 5880021 | Method of making multilevel interconnections of electronic parts A process for forming a multilevel electronic interconnect structure, the electronic interconnect structure having level conductive paths parallel to a substrate and interlevel electrical interconnections perpendicular to the substrate, the process compri... | 03/09/1999 |
| 5874848 | Electric current sensor utilizing a compensating trace configuration An electric current sensor employing a Hall effect generator and a ferrite substrate to be used in the measuring of electrical currents flowing in a current carrying conductor comprising a toroid core having a first and a second gap, a Hall effect generat... | 02/23/1999 |
| 5870181 | Acoustic optical scanning of linear detector array for laser radar A laser radar (LADAR) including an acoustic-optical (AO) laser scanner for deflecting a pulsed laser beam through a plurality of angles, means for diffracting the deflected laser beam from the acoustic-optical laser scanner into a plurality of laser beams... | 02/09/1999 |
| 5868647 | Apparatus and method for reducing repetitive strain injuries An apparatus and method for reducing, preventing, lessening and treating the incidence and severity of Repetitive Strain Injuries ("RSI") comprising a combination of computer software and hardware that provides a "prompt" and system whereby the computer o... | 02/09/1999 |
| 5867422 | Computer memory chip with field programmable memory cell arrays (fpmcas), and method of configuring A programmable memory circuit including the facility to reconfigure it's format... | 02/02/1999 |
| 5849790 | (Mono) ethylenediaminenitroplatinum (IV) complexes with ligands of oxides of nitrogen as possible anti-tumor agents The present invention discloses (mono)ethylenediaminenitroplatinum (IV) complexes of with ligands of oxides of nitrogen, and their synthesis, which, in vivo, may be reduced to produce "cisplatin" type platinum(II) antitumor complex and nitric oxide, which... | 12/15/1998 |
| 5850598 | Homodyne receiver and process for direct conversion The invention pertains to a homodyne receiver and a process for direct conversion of angle-modulated carrier signals, especially those that have a d.c.-voltage component in the converted signal (IF). With many types of-modulation the (short-time) d.c. com... | 12/15/1998 |
| 5833094 | Hangable gas can A hangable liquid containing apparatus for dispensing a liquid such as gasoline. The apparatus comprises a container adapted to hold the liquid, hanging means for hanging and supporting the container formed from the flexible side walls of the container, a... | 11/10/1998 |
| 5832543 | Portable pocket spittoon A disposable portable pocket spittoon comprising a container having a top access opening. A means for selectively closing and opening the container is connected to the container. A fill funnel is inserted through the top open end and suspended within the ... | 11/10/1998 |
| 5835997 | Wafer shielding chamber for probe station A wafer shielding chamber assembly for a semiconductor wafer probe station that minimizes the volume of space about the semiconductor wafer so as to minimize air currents about the wafer. The chamber is formed by positioning an annular spacer ring onto th... | 11/10/1998 |
