Quotables
"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
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 |
| 5855702 | Method and apparatus for quenching workpieces A method and an apparatus are disclosed for quenching workpieces. The workpieces are exposed to a flow of a quenchant fluid. The flow is reversed in its direction. The workpieces are moved through the flow along an axis being essentially transversely to t... | 01/05/1999 |
| 5842172 | Method and apparatus for modifying the play time of digital audio tracks A method an apparatus for modifying the play time of digital audio tracks. For each data block of samples taken from a plurality of such blocks comprising an audio stream or track, the original block data plus a time shifted copy of the block data are sup... | 11/24/1998 |
| 5795380 | Lightweight roof tiles and method of production A roof tile which is lightweight and yet strong has a dry component that includes cement, gypsum, perlite aggregate, lava stone and a powder that may be perlite powder or volcanic ash. Water and a styrene acrylic catalyst are mixed with the dry constituen... | 08/18/1998 |
| 5794648 | Hose winding apparatus A winding-up attachment for a long, flexible element, in particular a hose, comprises a rotatable drum for winding-up and for unwinding the element. A return device rotates the drum in the winding-up direction or in the unwinding direction, respectively. ... | 08/18/1998 |
| 5794580 | Remote start/stop system for magneto ignition engines A remote control system for starting and stopping an engine with a magneto ignition. A radio frequency transmitter transmits alternating start and stop signals to a receiver/controller. When a start signal is received, the receiver/controller autonomously... | 08/18/1998 |
| 5788847 | Diffuser construction and mounting arrangement An improved air diffuser and mounting arrangement for mounting diffusers on submerged air laterals in a wastewater treatment system. The diffuser is formed form a cylindrical pipe which is flattened on most of its length but left partially cylindrical for... | 08/04/1998 |
| 5785012 | Acoustically enhanced combustion method and apparatus A method and apparatus are provided for enhancing the efficiency of combustion in a combustion chamber with the use of acoustic energy. A means for generating acoustic energy (34) is located in relation to a combustion chamber (12) such that acoustic ener... | 07/28/1998 |
| 5785635 | Multiple function exercise apparatus An exercise machine has a first bar releasably coupled with a first cam pivotally mounted generally above and behind a seat mounted on the frame of the exercise machine. A second bar is connected to an arm assembly which is releasably coupled to a second ... | 07/28/1998 |
| 5782156 | Flexible die and supporting cylinder An improved flexible die and cylinder for mounting such die. The flexible die consists of a substantially planar, flexible, sheet of metal which has been etched to form a cutting edge. The ends of the die include a plurality of spaced holes for mounting t... | 07/21/1998 |
| 5760911 | Continuous particulate emissions monitor calibrator A device (10) and method for monitoring particulate (22) flowing through a conduit (20) has a transmitter (16) and a receiver (18) positioned in optical alignment on opposite sides of the conduit (20). A light beam (50) is transmitted across conduit (20) ... | 06/02/1998 |
| 5749353 | Cutting blade with an impact load prevention layer A saw blade is provided which includes an inner collar separated from an outer collar with a resilient isolated layer. The inner collar fastens to the arbor shaft of a driving motor, while the outer collar is welded to the rim containing hardened particle... | 05/12/1998 |
| 5749696 | Height and tilt indicator for forklift truck A tilt and height indicator for a forklift truck including a tape reel connected to the forks of the forklift to sense their relative height. An indicator panel includes plural sets of indicators, with each set indicating when the forks are in a proper pr... | 05/12/1998 |
| 5746415 | Water saving device for use in water lines A water saving device comprising a plate member which is sandwiched within and maintained within a joint portion of a tap water line and divides the tap water line across the line of water flow. A main body block is bolted to one side of the plate member ... | 05/05/1998 |
| 5746792 | Dust collector filter element and supporting structure A filter and support structure, for a baghouse having a tube sheet with a plurality of apertures, has a filter media wrapped around a core. An end cap is joined proximate the top of the core and has a rim extending over the filter media. The rim of the en... | 05/05/1998 |
| 5746517 | Retaining assembly for roller bearings A ring assembly for retaining a roller bearing and shaft. A split ring fits in a groove in the shaft and is surrounded by a lock ring to secure it in the groove. The split ring has a beveled surface which the lock ring acts against to force the split ring... | 05/05/1998 |
| 5733456 | Environmental control for biological nutrient removal in water/wastewater treatment Control of a water/wastewater treatment system is effected by sensing the oxidation reduction potential (ORP) at various parts of the system and using neuro-adaptive process control techniques to make adjustments when necessary based on the ORP values. In... | 03/31/1998 |
| 5725002 | Dish washing machine having interchangeable top and bottom spray arms A dish washing machine having upper and lower spray assemblies with separate spray arms and separate water supplies for washing and rinsing dishware. A spray base for each spray assembly segregates recycled wash water from clean incoming rinse water. A ho... | 03/10/1998 |
| 5726378 | Unitary propellant charge for muzzle loading firearms A preformed unitary pellet formed from an appropriate propellant for use in muzzle loading firearms. Particular formulations, dimensions, densities, and other parameters for specific applications are set forth. A method of manufacture is also included.... | 03/10/1998 |
| 5713621 | Vehicle rolling shutter with door-ajar and compartment light switch A vehicle rolling shutter system with magnetic door-ajar and compartment light switch. In combination with a vehicle, the rolling shutter system has a roller shutter, constructed of a number of interconnected links, for movement along guide rails position... | 02/03/1998 |
| 5711725 | Practice baseball/softball with contrasting colors A two colored baseball or softball for practice. One half of the outer surface is a dark color and one half is light to make the ball more difficult to see than a standard ball. When used for practice, the ball requires players to concentrate intensely in... | 01/27/1998 |
| 5707005 | Control system for air quality and temperature conditioning unit with high capacity filter bypass An air conditioning unit is provided with a high capacity filtration system for removing pollutants from supply air, typically return air which has been recirculated from the conditioned area. A filter bypass passage and suitable flow control devices are ... | 01/13/1998 |
| 5705923 | Variable inductance current limiting reactor control system for electrostatic precipitator A method and apparatus for varying an electrically variable current limiting reactor (VICLR) ( 16) are provided in cooperation with an electrostatic precipitator automatic voltage control system. The inductance of VICLR (16) is varied by altering the DC c... | 01/06/1998 |
| 5697316 | Boat bumper A boat bumper for protecting a boat from damage upon impacting a mooring or the like is disclosed. The bumper comprises a plate extending over a portion of the hull of the boat. Padding is positioned on the plate for separating the plate from the hull of ... | 12/16/1997 |
| 5695073 | Hanging shoe rack A hanging shoe rack for supporting shoes in an angular manner. A pair of side frame members having an elongate body section. A plurality of support arms project outwardly and downwardly from each main body section. Pairs of retaining bars are positioned b... | 12/09/1997 |
| 5690391 | Self propelled saw A concrete saw is provided having an engine aligned along a longitudinal axis of the saw frame to minimize the width of the saw and provide a more balanced system. A clutch assembly is attached to a forward end of the engine to disengage the saw blade wit... | 11/25/1997 |
| 5689061 | Leak detection method and system for product lines in fuel dispensing systems A leak detection system which operates at relatively high pressures and senses relatively large pressure drops to monitor for leakage in fuel product lines such as those used for dispensing of fuel at gasoline service stations. Leakage tests of various de... | 11/18/1997 |
| 5682727 | Coupled cutting blade and heat element for use with vacuum packaging machinery A combined cutting blade and heat bar for use with a vacuum packaging device having a lid for sealing over the cavity of a base is disclosed. The cutting blade and heat bar are connected to one another and movable via a single actuating mechanism mounted ... | 11/04/1997 |
| 5680854 | Self propelled saw A concrete saw is provided having an engine aligned along a longitudinal axis of the saw frame to minimize the width of the saw and provide a more balanced system. A clutch assembly is attached to a forward end of the engine to disengage the saw blade wit... | 10/28/1997 |
| 5680192 | Electro-optical display device with enlarged viewing area and single-sided driver connection An electro-optical display device having an improved connector arrangement. The display device includes a plurality of pixels arranged in commons and segments, with a lead trace associated with each commons and with each segment. These lead traces extend ... | 10/21/1997 |
| 5673503 | Gaming chip with edge insert and process for fabricating same A gaming chip having an edge insert, and a gaming chip fabrication process, the edge insert having an opening for receiving molding compound. A gaming chip has a core element, such as a substantially flat ring or disc. A plastic edge insert, having a face... | 10/07/1997 |
| 5669549 | Non-round container having an offset side seam A convolute paperboard container comprising a closed bottom, and an upstanding continuous sidewall extending from the bottom and terminating in an upper rim. The container when viewed transversely of its longitudinal axis is curvilinear oblong or oval in ... | 09/23/1997 |
| 5669550 | Non-round container having multiple storage compartments A non-round convolute paperboard container comprising a closed bottom and an upstanding continuous sidewall which together form a main storage cavity for storing goods. The container includes a closure lid which forms a lid compartment for separately stor... | 09/23/1997 |
| 5665000 | Ergonomic hand-held electronic device with keypad input and display screen An ergonomic and weatherproof hand-held electronic device 10. The device 10 includes a housing 12 which surrounds internal electronics. An input 28 and a display screen 32 are mounted on the housing 12. The housing 12 is has a narrow width such that, when... | 09/09/1997 |
| 5664881 | Counter-flow asphalt plant with multi-stage combustion zone overlapping the mixing zone A drum mixer is provided with a rotatable cylinder in which aggregates, reclaimed asphalt pavement and liquid asphalt are mixed to produce an asphaltic composition. The drum cylinder includes a first region, in which virgin aggregate is heated and dried b... | 09/09/1997 |
| 5664481 | Toaster with bakery product shield A toaster having a movable bakery product shield for enhanced toasting quality. A wide slot cavity to receive bakery goods for toasting is defined on one side thereof by an upstanding, stationary product retainer spaced apart from a heating element and, o... | 09/09/1997 |
| 5665147 | Collector plate for electrostatic precipitator A collector plate (10) for an electrostatic precipitator is provided. Collector plate (10) has end portions (12) which are substantially symmetrical about the plane of the collector plate (10). Each end portion (12) is preferably polygonal and has a subst... | 09/09/1997 |
| 5657897 | Beverage container constructed to accommodate cup holders of different sizes A beverage container for accommodating drink cup holders which vary in size. The container has a large diameter upper portion which presents a large capacity and a small diameter lower portion connected with the upper portion by a shoulder. The lower port... | 08/19/1997 |
| 5657822 | Drill hole plugging method utilizing layered sodium bentonite and liquid retaining particles A method of plugging holes, in particular the plugging of drill holes in the earth. The method utilizes a tubular capsule filled with coarse ground sodium bentonite. The capsule, when inserted into the hole, sinks through any mud or slurry material within... | 08/19/1997 |
| 5657788 | Liquid storage container with insulated casing enclosing emergency relief vent A volatile liquid storage facility having an inner tank containing a fuel storage chamber for retaining volatile fuel. An outer tank is formed surrounding and arranged concentric with the inner storage tank. The inner and outer tanks are spaced apart from... | 08/19/1997 |
| 5654718 | GPS receiver device and method for calibrating a temperature uncompensated crystal oscillator A device and method for compensating a crystal oscillator that is not electrically compensated over its operable temperature range. A GPS receiver device stores in memory data indicative of the actual offset frequency of oscillation of the crystal over it... | 08/05/1997 |
