The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.
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| Number | Title | Issue Date |
| 5982079 | Spark plug with a looped ground electrode concentrically disposed to a center electrode A high efficiency spark plug includes a ground electrode having formed of a wire having a circular cross section. The ground electrode has a pair of stanchions and a loop extending over the center electrode of the spark plug. The loop has a center circula... | 11/09/1999 |
| 5958532 | Fluoropolymer composite tube and method of preparation Described herein is a method of preparing a fluoropolymer composite tube comprising the steps of forming a fluoropolymer substrate, and thereafter layering and chemically bonding the fluoropolymer with a polymer layer, preferably a thermosetting or thermo... | 09/28/1999 |
| 5942819 | Motor brush assembly with noise suppression A combination motor brush support and electromagnetic suppression circuit comprises an assembly having a base which is affixable to a portion of a motor housing and which supports all components requiring precise mechanical alignment, including motor brus... | 08/24/1999 |
| 5899120 | Crankshaft with laminated counterweight A laminated counterweight for connecting the main shaft with the crankpin of a crankshaft in which the counterweight includes a pair of end laminations which are circular in shape and have a central opening dimensioned to receive the main shaft and a cran... | 05/04/1999 |
| 5898948 | Support/sport sock A support/sport sock for enhancing athletic performance. The sock includes a sock body of an elastomeric material which exhibits a pressure gradient against the calf of the leg which varies from a maximum proximate the foot portion of the sock to a minimu... | 05/04/1999 |
| 5893693 | Metal dowel for anchorage in thin wall panels A metal anchor for mounting screws in thin wall boards made of plasterboard, pressed wood or similar building material includes a body (1) formed from a sheet metal plate and provided with semi circular retention ridges (2) projecting alternately to each ... | 04/13/1999 |
| 5893510 | Welding apparatus A welding device is disclosed having an elongated actuator arm which is secured to a main post by a cross arm. The cross arm is both slidably and pivotally mounted to the main support post and also pivotally and slidably secured to the actuator arm by an ... | 04/13/1999 |
| 5892434 | Automotive driving pattern monitor A system for sensing the manner of operation of an automotive vehicle and for generating feedback signals to the vehicle operator as a function of the manner of operation includes a pressure sensor connected to the brake pedal so as to generate a multi-st... | 04/06/1999 |
| 5880886 | Optical component suitable for use in glazing An optical component comprises at least one substantially planar element having a plurality of elementary surfaces capable of acting to reflect by total internal reflection light incident thereon through the corresponding said element within a first range... | 03/09/1999 |
| 5873896 | Cardiac device for reducing arrhythmia A device is disclosed for reducing the likelihood of cardiac arrhythmia or halting the arrhythmia after it begins without having to give a large shock which can be painful or may damage the heart. The device includes an elongated primary strip having a pl... | 02/23/1999 |
| 5873595 | Tow bar assembly A tow bar assembly adapted to extend between a towing vehicle and a towed vehicle. A frame is provided which includes a bearing element secured to the front end of the frame and a mounting element secured to the rear end of the frame. The mounting element... | 02/23/1999 |
| 5873415 | Completion sub-sea test tree A dual bore completion sub-sea test tree (10) is described which has main bore (18) and an auxiliary or annulus bore (20). Two identical ball valves (22, 24) are located in series within the main bore (18) and two smaller identical ball valves (26, 28) ar... | 02/23/1999 |
| 5871374 | Connector housing A connector housing for an electrical terminal includes a base member configured to engage a top member having two discrete segments. One of the segments engages the base member so as to retain an electrical terminal therebetween in a preconnection mode w... | 02/16/1999 |
| 5871316 | Cargo support for truck bed A cargo support bar for use with a truck bed or truck bed liners has a pair of spaced equipment holders. Each holder has at least two upwardly extending arms which define slots for carrying cargo and equipment. A center area is formed between the equipmen... | 02/16/1999 |
| 5868957 | Mold assembly for creating a solid-surface countertop having a built-up edge exhibiting a non-constant outer radius A mold assembly for creating a resin casted countertop exhibiting a built-up edge having a non-constant radius. The mold assembly includes a substantially horizontally planar and upwardly facing mold surface and a plurality of elongated member which are r... | 02/09/1999 |
| 5868248 | Golf club divider assembly for use with a golf bag having individually adjustable club head covering members A golf club divider assembly for use with a golf bag creates a desired plurality of subdivided and axially extending compartments for receiving a plurality of golf clubs. A plurality of elongated divider members are inserted axially within the golf bag an... | 02/09/1999 |
| 5865862 | Match design with burn preventative safety stem construction and selectively impregnable scenting composition means A match design exhibiting burn preventative safety stem construction with a match head having an ignitable composition formed thereon. An elongate stem includes a first end and a second end with the match head being formed onto the first end. The elongate... | 02/02/1999 |
| 5865638 | Electrical connector An electrical conductor establishes electrical contact between planar faces of a first terminal and a second terminal. The connector includes a resilient contact plate disposed between the faces, and locking assembly for retaining the terminals in engagem... | 02/02/1999 |
| 5863748 | p-Hydroxycinnamoyl-containing substrates for an analyte dependent enzyme activation system The present invention concerns novel p-hydroxycinnamoyl-containing substrates which can be used in catalyzed reporter deposition to amplify the detector signal and improve assay detection limits.... | 01/26/1999 |
| 5863055 | Personal cart A personal cart for easily transporting several shopping articles when shopping or small packages, files, tools, and other small articles by other users such as professionals. The personal cart includes a lower frame structure having a lower frame extendi... | 01/26/1999 |
| 5862921 | Cart corral The present invention provides a cart corral assembly of the type employed by stores, such as grocery stores, to encourage the consumer to temporarily store grocery carts in the parking lot before bringing the cart within the store structure. The cart cor... | 01/26/1999 |
| 5860478 | Sub-sea test tree apparatus Apparatus and a method for killing a live well after activation of a well blowout preventer is described. This is achieved by providing apparatus in the form of a shear or kill sleeve (34) in a string (26) above a sub-sea test tree and which is located be... | 01/19/1999 |
| 5857523 | Well completion lubricator valve Apparatus and method of isolating a well to allow intervention equipment to be installed in the upper section of tubing and surface equipment to be tested prior to running in the well is described which enables a surface test tree to be leak-off tested on... | 01/12/1999 |
| 5857440 | Engine piston and method for its manufacture A piston for an internal combustion engine includes a textured, macroscopic, relief pattern on the inner and/or outer face of its skirt portion. The pattern improves heat transfer and oil flow, and decreases the weight of the piston, while maintaining or ... | 01/12/1999 |
| 5855427 | Luminaire A luminaire for a fluorescent bulb having a support unit for a fluorescent bulb which is movable to be adjustably positioned with respect to the opening to narrow or broaden the width of the beam of light emitted. The support unit has pairs of pivotable r... | 01/05/1999 |
| 5855201 | Gas exchange apparatus Disclosed is a small-sized gas exchange apparatus of high performance having an increased gas exchange rate and a reduced priming volume, comprising a hollow fiber module M1 formed by bundling a plurality of silicone membrane hollow fibers 1 wo... | 01/05/1999 |
| 5854588 | Home security system for detecting an intrusion into a monitored area by an infrared detector A security system includes an intrusion detector having a transmitter coupled with a portable receiver to alert a homeowner or the like that an intrusion has taken place or occurred within a pre-set time period. The area under surveillance is monitored by... | 12/29/1998 |
| 5853727 | Preparation and use of inula extracts as a fungicide for the control of plant diseases Rapid, convenient and inexpensive methods for extracting fungicidal compounds from Inula are described, as well as methods for controlling fungal disease in crops by using these extracts. One preferred method of extraction starts with the dipping of leave... | 12/29/1998 |
| 5849832 | One-component chemically curing hot applied insulating glass sealant This invention relates generally to sealants for insulating glass units. More specifically, this invention is a one-component, hot applied, chemically curing sealant for edge sealing insulating glass units. The sealant contains a thermoplastic hot melt re... | 12/15/1998 |
| 5849398 | Transparentized medium and process for making same A transparentized paper is prepared by coating a transparentizing medium on to a paper substrate by a screen coating process. The method may be carried out on a continuous basis, and the medium may comprise an ultra-violet curable resin. Also disclosed is... | 12/15/1998 |
| 5848838 | Glass mounted light holding strip A holder for mounting decorative lights onto a flat surface. The holder includes an elongated strip which has an L-shaped cross-sectional profile. It includes a base and an upright disposed perpendicularly with respect to each other. A plurality of indivi... | 12/15/1998 |
| 5846634 | Heat shield and method of manufacturing the heat shield A heat shield particularly suited for automotive use is manufactured by placing a metallic foil having a plurality of depressed channels provided about its outer periphery in a compression mold. Each channel, in turn, has a through opening. Thermoset mate... | 12/08/1998 |
| 5845466 | Multiple package machine A multiple packaging machine for conducting simultaneous operations on two or more pouches at each of several work stations by employing a pair of clamps for holding each pouch at each station during opening by moving the clamps toward each other, during ... | 12/08/1998 |
| 5845006 | Method of processing image formation A method of processing image information is disclosed, for detecting the movement of an object with a simplifed system structure, and high speed treatment. The method is comprised of the steps of entry of a stereoscopic image of an object, extraction of e... | 12/01/1998 |
| 5843396 | Method for stabilizing radiolabeled organic compounds by adding a separate stabilizing compound A stabilized composition comprising an organic compound labeled with a ଲ-emitting radionuclide and a stabilizing effective amount of a non-radiolabeled stabilizing compound selected from the group consisting of (i) heteroaryls having at least one ni... | 12/01/1998 |
| 5843344 | Portable fan and combination fan and spray misting device A combination portable fan and spray misting device for creating a cooling atomized mist spray. The fan includes an elongated body portion and a fan blade head portion which is attached in an upwardly and angled fashion relative to the body portion and wh... | 12/01/1998 |
| 5842707 | Single wheel zero turn riding sulky for use with a self-propelled vehicle A riding sulky attachment for use with a conventional self-propelled vehicle, the vehicle including a body with front and rear wheels, a self-propelling drive mechanism and a steering assembly including a pair of operating handles extending upwardly and r... | 12/01/1998 |
| 5839243 | Interlocking and insulated form pattern assembly for creating a wall structure for receiving poured concrete An interlocking and insulated form pattern assembly for creating a wall construction for receiving a poured concrete. A plurality of form structures each are constructed in a substantially rectangular fashion with a height, length and width and include pl... | 11/24/1998 |
| 5837932 | Cover panel for electrical receptacles A guide panel for use with wall mounted electrical outlets of the type used to receive two connector plugs and having a cover plate of a type to form two apertures for receiving the plug receiving portion of the electric outlet or a single aperture for re... | 11/17/1998 |
| 5837253 | Preparation and use of Inula extracts as a fungicide for the control of plant diseases Rapid, convenient and inexpensive methods for preparing fungicidal suspensions from Inula are described. Methods for controlling fungal disease in crops by using these suspensions are also given.... | 11/17/1998 |