Did You Know...
...that power steering was invented by independent inventor Francis W. Davis? As chief engineer in the 1920s of the truck division of the Pierce Arrow Motor Car Company, he saw how hard it was to steer heavy vehicles. So that he would be able to keep the profits from his future invention, Davis left his job, rented a small engineering shop in Waltham, Mass., and developed a hydraulic power steering system that led to power steering.
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| Number | Title | Issue Date |
| 7645354 | Audio device having dense sound enhancing component A musical instrument having strings, a wooden body and a granite veneer bonded to the wooden body. The granite has a density of at least 1.7 thousand kilograms per cubic meter and optionally can have a thickness in the range from about 7/64th of an inch t... | 01/12/2010 |
| 7631658 | Water supply system A water supply system (1) having at least one pressure pump (9), at least one pressure tank (3) and a plurality of water tanks (2) and (36). A submersible pump (37) is connected to a well (38) and a main water tank ( | 12/15/2009 |
| 7628423 | Riding lawnmower outrigger A riding lawnmower outrigger (1) having a hollow outer tube (5) secured to a riding lawnmower (2), a telescoping inner tube (6) which locks within the outer tube (5), a vertical tube (11) connected to the inner tube (6 | 12/08/2009 |
| 7622672 | Electrical housing knockout device and method A electrical housing knockout device (4) having a bracket (5) with a horizontal side (7) perpendicularly secured to a vertical side (6) and a sleeve element (8) connected to the horizontal side (7). The sleeve element (8 | 11/24/2009 |
| 7530509 | Manure-grinding fertilizer spreader An improved manure-grinding fertilizer spreader having at least two progressively bladed cylinders 17 at a bottom of a funneled mobile hopper 11 with a grinder base 12 proximate a discharge aperture 13. The mobile funneled hopper is hand-... | 05/12/2009 |
| 7378081 | Composition and method for direct visualization of the human appendix A positive contrast agent composition containing meglumine diatrizoate, sodium diatrizoate, simethicone, famotidine and aspartame in predetermined amounts that is orally administered to a patient for clinical evaluations of appendicitis wherein a positive contrast e... | 05/27/2008 |
| 6712499 | Compression paddle mixer A compression-paddle mixer has a compression paddle (1) that includes paddle blades (3) juxtaposed colinearly to a paddle rod (5). The paddle blades include one or more sets (2) of two paddle blades having channel-funneled orientation on paddle spokes (4) that are e... | 03/30/2004 |
| 6709180 | Ergonomic wax pen An ergonomic wax pen has an ergonomic case (1) with optionally finger-squeeze control of pressure to force out molten wax (7) from a wax chamber (6) through an extrusion nozzle at an extrusion end (3) to which predetermined application ti... | 03/23/2004 |
| 6662866 | Energy conservation moderating system An energy conservation moderating system has a DPDT switch (16) in switching communication intermediate a micro controller (8) and a temperature-difference generator (7). The micro controller is in switching control of the temperature-difference generator... | 12/16/2003 |
| 6663699 | Scratch removal composition and method A composition of linseed oil and teak oil is used in a process to remove scratches from painted and coated surfaces of items, such as an automobile. The composition may include additional ingredients, such as citrus concentrate, to help remove or reduce t... | 12/16/2003 |
| 6652664 | Oil pump screen cleaning method and apparatus An oil-pump-screen (1) cleaning method and apparatus with which an oil pan (3) of an internal-combustion engine (2) is drained by removal of a drain plug (7) from a drain aperture (15); the drain plug is reinserted in the drain aperture; a measured amount... | 11/25/2003 |
| 6585304 | Yard leaf caddy A yard-leaf caddy has a container floor (1) that is rectangular. Hinged to an aft edge is an aft wall (2) that pivots down forwardly to a storage mode and up rearwardly to a containment mode. Hinged to the front edge is a ramp wall (4) that pivots down fo... | 07/01/2003 |
| 6536228 | Dry compartment cooler A dry-compartment cooler has a dry compartment (1) with compartment walls (3) that are connected water-tightly to a compartment floor (4). The compartment walls are articulated to extend upwardly from proximate a riser framework (6) on a cooler floor (7) ... | 03/25/2003 |
| 6489742 | Efficiency maximizing motor controller and method An efficiency-maximization motor controller that includes a use method has power conveyance to an induction motor (1) with a digital signal processor (DSP) (8) that calculates and optimizes supply of current for existent motor loading from a power supply ... | 12/03/2002 |
| 6478580 | Coordinative dental die interlocking system A coordinative dental-die-interlocking system includes a dental-die pin (1) anchored in a tooth-die base (4) and inserted removably in a die-pin sleeve (2) that is anchored in a dental-model base (6). The dental-die pin includes a pin that lock-fits in th... | 11/12/2002 |
| 6468190 | Chest and body exerciser A chest exerciser has a pneumatic resister (1) of linear motion and a selection of handle (8, 9), attachment (29) and/or anchor means (34, 40, 42) that are positional on opposite ends for direction of selectively push exercise and pull exercise to select ... | 10/22/2002 |
| 6463947 | Directionally illuminated walking aid A directionally illuminated walking aid has a walking-aid shaft (1) that is predeterminedly transparent with, an internal light (4, 20) directed vertically from a top reflector (2) towards a bottom cap (3) from which vertical reflectors (5) may be extende... | 10/15/2002 |
| 6443848 | Levitation entertainment device A levitation-entertainment device has a micro fiber (1) with an object end attached to a select small levitation object (2, 6, 7) placed removably on a levitation base (5) and a base end attached detachably to a base structure (14) that is situated for ma... | 09/03/2002 |
| 6439000 | Bead threading tool and method for crocheting, knitting and the like A bead threading tool (4) formed by a folded wire having a distal end (6) formed by twisting the folded end of the wire, an intermediate section (5, 15) formed by the spaced apart folded over halves of the folded wire and a proximal end (8) formed by the ... | 08/27/2002 |
| 6434855 | Pneumatic hair-conditioner system A pneumatic hair-conditioner system has a vacuum pump (1, 4, 6, 30) attached predeterminedly to a hair processor (2, 25, 28, 29, 31) which employs airflow to the vacuum pump for predetermined hair processing by the hair processor. The vacuum pump and the ... | 08/20/2002 |
| 6432305 | Water filtering kit A water-filtering kit has a filter container (1, 28, 32, 37, 41). A water filter (8) is positioned on an interior portion of the filter container. A filter-inlet connection (9) on the water filter is positioned in tube-access proximity to an inlet-tube ap... | 08/13/2002 |
| 6375368 | Sectional camera platform A sectional camera platform (1) is generally circular with a platform floor (2) that is preferably grated for vertical visibility and surrounded by a kick plate (3) about ankle height. A back portion of the platform is a worker cage (17) surrounded by gua... | 04/23/2002 |
| 6360968 | Wildfire protection system A wildfire protection system has rotating sprinklers (1) on sprinkler legs (2) positioned temporarily or indefinitely as needed on roofs (10) with the sprinkler legs resting on opposite slopes (6) from a ridge (5) of the roof and removed for sprinkler irr... | 03/26/2002 |
| 6360370 | Foul-weather clothing system A foul-weather clothing system has one or more wraparound pouches (1, 2, 3, 7, 9, 11, 13) into which foul-weather wraparound clothing (4, 5, 6, 8, 10, 12) is compacted in position to be released down to wrap circumferentially about predetermined portions ... | 03/26/2002 |
| 6361084 | Adjustable plumbing connector and method A connector sleeve (2) has a structure-attachment flange (9) on a flange end, a seal surface (4, 5, 15, 17) on a seal end and a nut-retainer ring (8, 14, 16) intermediate the structure-attachment flange and the seal end of an outside periphery of the conn... | 03/26/2002 |
| 6359431 | Golf cart speedometer/odometer A golf-cart speedometer/odometer has a rotation-mark collar (1) on a cart-wheel rim (2) that signals rotation to a rotation sensor (4) on a housing extension (5) from a cart-axle housing (6). Measurement of rotation of the rotation-mark collar from rotati... | 03/19/2002 |
| 6345723 | Upright and inverted bottle and container holder for contents availability A storage holder (1, 13, 20, 24) for holding bottles and containers in an upright or inverted orientation as necessary to make the liquid contents readily available for use. The holder has a base section (3, 14, 25, 36, 40) for supporting bottles and cont... | 02/12/2002 |
| 6339455 | Digital video disc vehicle television A digital-video-disc vehicle television has a thin ceiling-mountable TV housing (1) having a front edge (2) from which a preferably flat TV screen (3) pivots adjustably downward from a stowage space (4) and having a rear edge (5) with a digital video disc... | 01/15/2002 |
| 6336227 | Concealed sock for boat-type shoes A concealed sock (1) for wearing with boat shoes (12) having a frontal section (2) and heel section (3) connected by an intermediate section (4 and 5). An elastomeric band runs around the top of the heel and intermediate sections to keep the sock conceale... | 01/08/2002 |
| 6336563 | Cup and saucer hutch A cup-and-saucer hutch has a saucer case (1) with a case door (9) for containing a predetermined size and plurality of saucers (2) securely without falling when being carried from-place-to-place for use. A cup-rack post (5) with cup-handle hangers (6) for... | 01/08/2002 |
| 6321954 | Manure grinding fertilizer spreader A manure-grinding fertilizer spreader has a spiral-bladed cylinder (1) as a preferred progressively bladed cylinder (17) at a bottom of a funneled mobile hopper (11) with a grinder base (12) proximate a discharge aperture (13). In a small, few-animal embo... | 11/27/2001 |
| 6318458 | Water-well-head adaptor A water-well-head adaptor has an adaptor body (1) with matching plate-fastener orifices (7, 8, 9, 10) and matching pump-element apertures (14, 16, 18, 20). The plate-fastener orifices match well-plate fastener orifices (12, 13) in a predetermined class of... | 11/20/2001 |
| 6311841 | Lap-tray and picnic-supply case A lap-tray and picnic-supply case made of light material has a case receptacle (1) with a lap-tray lid (2) attached removably. The lap-tray lid has a lid-plate cradle (3) intermediate a bowl end with a lid-bowl cradle (4) and a cup end with a lid-cup crad... | 11/06/2001 |
| 6308471 | Underground below building bunker An underground below-building bunker has bunker quarters (1) positioned under ground (2) below a dwelling-related structure (3), such as a garage, a room or a hallway of a dwelling (4). A floor-entry door (5) such as a trapdoor, horizontal slide door or o... | 10/30/2001 |
| 6296501 | Electric cable grounding piercer An electric-cable-grounding piercer has a piercer blade (1) with a trunk end attached to a double-acting hydraulic piston (2) in a double-acting hydraulic cylinder (3) from which a blade housing (4) is extended from a blade end. An insertion-pressure tube... | 10/02/2001 |
| 6293684 | Wand light A wand light has a base tube (1) with a light-tube end in which a base end of a light tube (9) is pivotal concentrically with pivotal-light-switch attachment of the light tube to the base tube. The base tube contains a stored-energy unit (2) in addition t... | 09/25/2001 |
| 6289800 | Citrus-juice extractor A citrus-juice extractor has two squeeze belts (1, 2) with vertical squeeze surfaces (4) on opposite sides of a progressively narrowed squeeze channel (3). A fruit-half feeder (10) at a wide end of the squeeze channel halves uncut fruit (37) and positions... | 09/18/2001 |
| 6276303 | Aerator holder A holder (4) for retaining an aerator conduit (5) for placement on the bottom (6) of an aquarium tank (1). The holder has a trough with at least one side wall (11a,b) and a retaining means, such as channel (12), in the trough. The holder may be supported ... | 08/21/2001 |
| 6263625 | Storm panel attachment system A storm-panel attachment system has at least one storm-panel bracket (1) with an attachment tongue (2) that fits slidably in at least one attachment housing (3) mounted proximate an edge (4) of a building aperture (5) to be storm-paneled. Oppositely dispo... | 07/24/2001 |
| 6253648 | Diesel engine injection pump timing tool A diesel engine injection pump timing tool having two components, a first tubular cylindrical component (1) being internally threaded on one half for attachment to the fuel injection pump and externally threaded on the other half with a square drive wrenc... | 07/03/2001 |