"Fooling around with alternating current is just a waste of time. Nobody will use it, ever."
Thomas Edison ; 1889
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 |
| 6402449 | Screw with an improved head Disclosed is a screw with an improved head, in which a stress-relieving notch is formed at each corner of a driving recess on the screw head. The stress-relieving notch is in an equal arcuate shape. Apart from the well known slotted or Phillips one, the d... | 06/11/2002 |
| 6394985 | Backflow proof structure for syringe A backflow proof structure for a syringe comprising a central cylinder portion and two blocks positioned in a protruding end of the syringe, on the bottom of the cylinder portion is a flared portion and on the top thereof is a tip, the outer space of the ... | 05/28/2002 |
| 6393871 | Continuously and combiningly operable breadth expansion and vibration enhanced spray dyeing machine A continuously and combiningly operable breadth expansion and vibration enhanced spray dyeing machine, which can provide dyeing and other processing operations on a fabric in a continuous way. The dye and treating agents are spraying onto the fabric. By a... | 05/28/2002 |
| 6396375 | Driving mechanism for liquid-containing ornament A driving mechanism is located below a transparent hollow casing of a liquid-containing ornament and includes a coupling member that engages with and rotates along with a rotary shaft of a movement of a music box located below the mechanism, stationary ma... | 05/28/2002 |
| 6392549 | Portable mosquito repelling/killing device A portable mosquito repelling/killing device, it has a box convenient for carrying; a power source provided by dry batteries or provided by inserting the plug seat on the box in an A.C. current socket. The box of the device is combined with a clamping mem... | 05/21/2002 |
| 6387275 | Pretreatment system and method for recycling exhaust water A pretreatment system and a pretreatment method for recycling exhaust water, for purifying exhaust water to a water quality acceptable to ordinary water-purification equipment, has advantages of small space occupation, low energy consumption, and lower co... | 05/14/2002 |
| 6386941 | Soft-shelled crystal ball A soft-shelled crystal ball having an improved baffle is provided. The baffle is positioned in a soft shell of the crystal ball for forming a reduced neck portion of the crystal ball. The baffle is provided with a downward projected filling port, an upper... | 05/14/2002 |
| 6386627 | Rear leg-supported foldable chair Rear leg-supported foldable chair including a front leg, a rear leg, a seat and a linking mechanism. The rear leg is pivotally connected with rear end of the seat. A connecting plate is disposed at top end of the rear leg for pivotally connecting with the... | 05/14/2002 |
| 6388953 | Magnetically driven dynamic ornament A magnetically driven dynamic ornament includes a horizontally positioned closed annular chamber having a predetermined width for receiving a dual-liquid ornament therein, and a central chamber surrounded by the annular chamber and having at least one hor... | 05/14/2002 |
| 6384740 | Traffic speed surveillance and control system A traffic speed control and surveillance system includes a speed sensor, vehicle identifier and transmitter/receiver disposed in a motor vehicle. The system also includes a plurality of mini remote terminal units disposed along a highway for monitoring si... | 05/07/2002 |
| 6381898 | Reel-seat assembly A reel-seat assembly mainly comprises a reel seat including a thread body, a fixed hood, a sliding hood, and a locking nut, wherein a choking block of the sliding hood is engaged with a choking groove of the locking nut so that both the sliding hood and t... | 05/07/2002 |
| 6378015 | Flash memory module comprising an IDE interface engageable in a vertical position perpendicular to a motherboard and having an IDE expansion slot A disk on module includes a flash memory array, an IDE interface connector compatible to a standard computer IDE interface for connection to a mother board for computer in a vertical position perpendicular to the mother board, an IDE expansion slot for co... | 04/23/2002 |
| 6364019 | Method for sand control in oil, gas and water wells A method for treating a subterranean sand formation adjacent to a bore hole forms a permeable solid barrier which restrains the movement of sand particles while maintaining the permeability of the formation. The method includes the step of forming a conso... | 04/02/2002 |
| 6358355 | Method for manufacturing a roll top A method for manufacturing a roll top is disclosed, in which solid wood strips are arranged equidistant apart in a mold. Then glue is applied to the same side of the strips. Then a wood texture rubber sheet is covered onto strips on the side having glue. ... | 03/19/2002 |
| 6357383 | Frozen food thaw indicator and method for making the same A defrosting indicator for frozen foods is made from a piece of transparent tape and a layer or multiple layers of absorbent material. The indicator also includes a segment of a frozen ink cartridge of the kind used in ball point pens. The absorbent mater... | 03/19/2002 |
| 6354412 | Wheel bracket for wheeled luggage A wheel bracket for wheeled luggage comprises a convex top portion of the wheel housing situated above the bottom plate; a raised portion formed from a higher portion to a lower portion on a surface of the front plate; and a first plurality of recesses an... | 03/12/2002 |
| 6353366 | Bandwidth enhancement of transimpedance amplifier by capacitive peaking design A bandwidth enhancement method by adding a peaking capacitor to a transimpedance amplifier for creating peaking effect is to add a peaking capacitor to a transimpedance amplifier for obtaining an extra pole that can alter circuit phase and enhance bandwid... | 03/05/2002 |
| 6349492 | Liquid ornament A liquid ornament having means for creating continuous liquid flow is provided. The liquid ornament includes a display chamber for containing liquids, such as water and oil, and a control chamber for accommodating the means for creating liquid flow. The m... | 02/26/2002 |
| 6350026 | Ink cartridge An ink cartridge including a case having an ink absorbent received therein and an ink-dispensing outlet provided at a bottom thereof, and a cover closing the case is provided. The cover is provided with at least an ink-filling hole, a vent hole vertically... | 02/26/2002 |
| 6347776 | Multi-directional mounting bracket A multi-directional mounting bracket for adjustably mounting an article, such as an audio speaker or light fixture, to a surface includes a first mounting member (10) for attachment of the bracket to the surface. A spherical housing (14) is connected to t... | 02/19/2002 |
| 6343675 | Adjustable disc brake bracket Adjustable disc brake bracket especially applicable to rally bicycle. The disc brake bracket includes an upper bracket, a lower bracket, an adjustment section, an insertion section, a retaining seat and a stop section. The adjustment section is positioned... | 02/05/2002 |
| 6341414 | Method for preparing an inductance element The resent disclosure relates to an inductance element and its preparation method. The inductance element comprises a coil structure, an insulation layer, a conductive metal layer and a metal core layer. The preparation method comprises, preparation of a ... | 01/29/2002 |
| 6341391 | Hidden drain outlet structure for sink An improved hidden drain outlet structure for sink includes a drain pipe, a drain head screwed to the drain pipe at an upper end thereof and a filter movably screwed to the drain head. The filter may trap and collect external articles and garbage to preve... | 01/29/2002 |
| 6340102 | Sealing valve structure for liquid sprayers An improved sealing valve structure for liquid sprayers, in particular an improvement directed to an enclosed space formed in an interior of a valve of a manually operable sprayer or atomizer, essentially an improvement of the structure of a tightening va... | 01/22/2002 |
| 6338297 | Precise and rapid positioning mechanism for stencil printing A precise and rapid positioning mechanism for stencil printing comprising a stencil, a carrier, a plurality of pins, and a plurality of positioning pins. There are a plurality of same sized pin eyes formed on both the stencil and the carrier respectively ... | 01/15/2002 |
| 6337670 | Omni-directional broadband helical antenna array An omni-directional broadband helical antenna array having a square electric circuit board with the back side thereof grounded, wherein, the four orthogonal corners on the surface of the electric circuit board are provided each with a helical antenna. The... | 01/08/2002 |
| 6337620 | Cipher type anti-theft system for cars using in-car wiring to transmit the cipher A cipher type anti-theft system for cars using an in-car wiring to transmit a cipher mainly includes an encoder/transmitter and at least one decoder cut-off relay. The encoder/transmitter generates a cipher and converts the cipher from digits to analog si... | 01/08/2002 |
| 6336680 | Height-adjustment mechanism for armrest A height-adjusting mechanism for armrest includes a slider movably mounted in a slide way of a sleeve connected at a lower end to a seat of an armchair. A retaining block horizontally extends through a transverse hole on the slider and into one of many ve... | 01/08/2002 |
| 6336224 | Cap structure capable of elastic adjusting A structure of cap capable of elastic adjusting the cap, being comprised of the elements including a visor, a crown and a tape member, the crown is provided on the inner side of the bottom edge thereof with a tape member which is formed by sewing together... | 01/08/2002 |
| 6337631 | Automatic infusion-monitoring instrument An automatic infusion-monitoring instrument includes a clip adapted to clamp a flow-indicating cylinder of an infusion set corresponding to a liquid level in the cylinder that keeps unchanged when there is sufficient amount of infusion liquid in the infus... | 01/08/2002 |
| 6334974 | Fragrant plastic container fabrication method A fragrant plastic container fabrication method including the first step of preparing fragrant grains by dipping 30~35% by weight of homologous microporous plastics in 65~70% by weight of fragrant oil for about 24 hours, the second step of mixing 10% by w... | 01/01/2002 |
| 6334880 | Abrasive media and aqueous slurries for chemical mechanical polishing and planarization Non-spherical silica particles having nodular morphology for use as an abrasive media in chemical mechanical polishing are disclosed. Also disclosed are aqueous slurries of monodispersed non-spherical nodular shaped particles having mean effective diamete... | 01/01/2002 |
| 6334791 | Load connector Load connector including a main body for connecting with output terminal of a distributor, a collar coaxially disposed in the main body and a circuit board coaxially disposed in the collar. The collar has a flange end section and an interface section. The... | 01/01/2002 |
| 6334771 | Rapid palatal expander A rapid palatal expander for stretching a patient's upper jaw bone sideward horizontally and forward to accommodate front teeth. It has a dual-joint jack screw with two rocker arms having respectively one end pivotally engaged with two spaced fulcrums and... | 01/01/2002 |
| 6334707 | Temperature sensing device for test cylinder A temperature sensing device for test cylinder is provided. The device includes a heat-transfer member that is covered with a top cover and is then set along with the top cover in a holding case to form a temperature sensing unit of the device. The heat-t... | 01/01/2002 |
| 6334558 | Hanger support with horizontally disposed garment hanging grooves A hanger support comprises a base comprising a projection, a horizontal member above the base having a plurality of hanging grooves on the bottom thereof, a vertical member coupled between the horizontal member and the base, a slot at the other end of the... | 01/01/2002 |
| 6334951 | Reverse osmosis water treatment system with tube connecting unit A reverse osmosis water treatment system includes a tube connecting unit 10 having a water incoming end 102, a water outgoing end 103, and a diaphragm 104 having a check valve 108 therein to allow water to flow directly from the incoming end to the outgoi... | 01/01/2002 |
| 6332241 | Locking device for retractable handle of wheeled luggage A handle assembly of wheeled luggage comprises a handle grip with a push button, two first sliding tubes, at least one pair of second sliding tubes, two support tubes, two first locking devices each provided below each first sliding tube, at least one pai... | 12/25/2001 |
| 6332872 | Portable cardiopulmonary resuscitation device with precise compression depth and uniformity Portable cardiopulmonary resuscitation device with precise compression depth and uniformity, including a frame body and a compression mechanism associate with the frame body. The compression mechanism includes a handle and a connecting bar connected betwe... | 12/25/2001 |
| 6333628 | Linear motion rolling guide unit with detection device A linear guide apparatus with magnetic distance sensor is disclosed. A magnetic tape is adhered right on the upper surface of the guide rail so as to minimize the variation of distance between the magnetic tape and a magnetic induction element to assure h... | 12/25/2001 |