Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 6494014 | Measuring template having a plurality of indicia groups each including an indicator for indicating a spacing of the indicia of each of the groups of indicia A framing template for use in the framing of a building structure. The template has a plurality of groups of printed measuring indicia, each measuring indicia comprising a centering mark. The centering marks for each group have a predetermined spacing the... | 12/17/2002 |
| 6477724 | Water evacuation conduit for hydro massaging tub A hydro massage bathtub enclosure is provided with conduits interconnecting air jet holes provided in the sidewalls, end or bottom wall of the bathtub enclosure. One or more curved cavities are disposed below one or more of the air jet holes to create a t... | 11/12/2002 |
| 6468144 | Sausage link forming machine A sausage link forming machine having a rotating frame secured on a drivable axle and wherein the frame has opposed parallel discs. Control cams are secured to the axle intermediate the discs. A plurality of sausage grasping head assemblies are secured be... | 10/22/2002 |
| 6449967 | High speed evaporator defrost system A high-speed evaporator defrost system is described. It comprises a defrost conduit circuit having valves for directing hot high pressure refrigerant gas from a discharge line of a compressor and through a refrigeration coil of an evaporator of a refriger... | 09/17/2002 |
| 6446413 | Portable graphic floor system A panel for a portable floor system comprising a rectangular core defining an upper surface and a lower surface extending parallel to the upper surface and lateral side surfaces extending from edges of the upper surface to edges of the lower surface. Fram... | 09/10/2002 |
| 6438895 | Spout system for harvesting sap and method of use The present disclosure describes a system composed of a principal pipe joining a secondary pipe by means of a T, and that at the end of the secondary pipe is located a threaded adapter by which comes to connect a spout that one can to disconnect and clean... | 08/27/2002 |
| 6427413 | Grooved construction lumber for constructing lumber structures A grooved construction lumber element for use in constructing lumber structures such as wall framing, roof trusses, load bearing beams, deck and stair railings, and the like, is described. The construction lumber element is comprised of a straight lumber ... | 08/06/2002 |
| 6422503 | Toilet paper roll dispenser A dispenser for toilet paper rolls each having a hollow tube core section on which paper is rolled, comprises an upstanding elongated container defined by a peripheral wall and a base portion at a bottom end thereof. A removable cover portion is at an ope... | 07/23/2002 |
| 6401477 | Stand-alone refrigeration system and enclosure A stand-alone refrigeration enclosure is comprised of a sealed housing having a solid floor, a roof and sidewalls. Air conditioning equipment is provided in the housing to maintain an internal predetermined temperature range in the housing during seasonal... | 06/11/2002 |
| 6387320 | Water table with a system for modifying its interior volume and cleaning its water A water table used for cutting metal is comprised of an array of slat bars, a floor part below the array of slat bars, a movable platform further below the floor part. The movable platform, by the use of height changing means, will move in order to change... | 05/14/2002 |
| 6354933 | Meat deboning apparatus and method An apparatus for deboning a piece of meat having an elongate bone portion, such as a loin piece provided with a spine portion, comprises an elongate support mounted on a frame for receiving the loin its spine portion being substantially aligned with a lon... | 03/12/2002 |
| 6345624 | Compact cigarette making machine A compact cigarette making machine for compacting and inserting a quantity of tobacco into a preformed cigarette tube is described. A tobacco receiving member is slidably retained within a base and movable longitudinally thereon to load tobacco into a cig... | 02/12/2002 |
| 6344065 | Air filter system for a vertical air blowing fan A vertical air blowing fan having an air filter is described. The vertical fan has an elongated housing provided with a foot support for maintaining the housing upright. The housing is provided with an air inlet opening and an air outlet opening. A cylind... | 02/05/2002 |
| 6334479 | Multiple-slide die-casting system A multiple-slide die-casting machine is equipped with improved mechanical structure and unique injection control system to improve the quality of molded products, to achieve flash free castings of improved surface finish. The clamping assemblies are mount... | 01/01/2002 |
| 6334411 | High efficiency, glass-lined, combination space and hot water heater A combination space and hot water heater is comprised of an inner tank having an outer casing spaced therebout with insulation being interposed between the casing and the inner tank. The inner tank has a glass-lined inner surface and a heater is provided ... | 01/01/2002 |
| 6317903 | Bathtub design with therapeutical treatment devices A hydro massaging tub is used for massage treatment wherein the treatment is performed by ozone-mixed warm air or water jets distributed adjacent the bottom wall of the tub all about its circumference. Ozone generated by an ozone generator is injected in ... | 11/20/2001 |
| 6315560 | High-speed dental drill A high-speed dental drill is comprised of a hand piece having a drill head at an end thereof. A turbine assembly is supported in a turbine chamber inside the drill head. The turbine assembly has a chuck which is rotatably secured between bearings. An impe... | 11/13/2001 |
| 6305744 | Ejectable safety seat structure for recreational-type vehicles An ejectable safety seat structure is comprised of an outer rigid shell for securement to a vehicle. An inner protective shell is connected to the outer shell by impact force detachable elements which are removably securable to the inner shell. A harness ... | 10/23/2001 |
| 6267261 | Cavitated insulating support base for hot water tank A hot water tank is comprised of a cylindrical disc-shaped support base on which is supported a cylindrical inner tank concentrically therewith. A circumferential ridge projects upwardly adjacent an outer peripheral edge of the support base and spaced fro... | 07/31/2001 |
| 6220129 | Dual multi-bit screwdriver A screwdriver wherein the handle has a front and a rear handle section which are mated with one another. A shaft extends axially from the front end of the front handle section. The rear handle section is removably connected to the front handle section. Th... | 04/24/2001 |
| 6209282 | Framing studs for the construction of building structures A composite wood joist for the construction of building structures is comprised of an elongated straight main member and a transverse elongated web piece connected thereto. Both the main member and the web piece are of rectangular cross-section with the w... | 04/03/2001 |
| 6202364 | Prefabricated self-supporting building structure A prefabricated self-supporting building structure and method of construction is described. The building structure comprises a plurality of substantially triangular shaped panels which are interconnected to one another by a hinge connector and along certa... | 03/20/2001 |
| 6179036 | Automatic overhead door opening system with dual motor drive and automatic door lock An automatic overhead door opening system for a transport container whereby to operate the displacement of a panel door from a closed position to an open position. The system is housed in a restrained size housing which incorporates a motorized drive for ... | 01/30/2001 |
| 6179168 | Water heating system for water dispensing fountains A water heater system for a water dispensing fountain having a refrigerated water reservoir, is disclosed. The water heater system is comprised of a plastic molded hot water tank formed in a support membrane. A feed conduit is also formed in the membrane ... | 01/30/2001 |
| 6146332 | Movement detector A movement detector for sensing movement from an infant lying on a mattress whether the infant is awake or asleep. The movement detector is comprised of a piezoelectric transducer secured between a pair of plates with a collector one of the plates having ... | 11/14/2000 |
| 6147581 | Universal transformer tank for pole-mounted distribution transformers A universal transformer tank for distribution transformers is comprised of a cylindrical housing having a circumferential side wall, a bottom wall and an open top end. A cover is removably secured on the open top end. An adjustable clamping assembly is se... | 11/14/2000 |
| 6119620 | Kayak with release louvers A kayak comprising a hull and a deck with one or more louvers provided in said hull at least in a stern section thereof to force water to separate from said hull whereby forming voids which are replaced with air from the water surface or water from the si... | 09/19/2000 |
| 6112693 | Kayak seat A height adjustment mechanism is provided for a seat of a kayak whereby to position the seat at a desired elevation above a waterline of the kayak, as determined when on a body of water. The kayak is comprised of a hull section and a deck section provided... | 09/05/2000 |
| 6112371 | Adjustable hinge assembly An adjustable hinge assembly is comprised of a track to which is secured a slide member. A sash arm is secured at one end to the slide member and all along to a horizontal rail of a hinged window sash. A support arm is pivotally connected to the sash arm ... | 09/05/2000 |
| 6101813 | Electric power generator using a ranking cycle drive and exhaust combustion products as a heat source An electric power generating system and method of operation is comprised of a waste-heat boiler adapted to a Rankine cycle provided with turbines for driving an electric generator. The waste-heat boiler uses exhaust combustion products from a fuel-fired d... | 08/15/2000 |
| 6102297 | Back-up auto-thermostatic modulating regulator An automatic modulating regulator device and method of operation for use with a non-electrical hot water heat source supplied by a pressurized water supply. The hot water heat source has a hot water circuit to pump hot water to heat exchange elements. The... | 08/15/2000 |
| 6089033 | High-speed evaporator defrost system A high-speed evaporator defrost system is comprised of a defrost conduit circuit connected to the discharge line of one or more compressors and back to the suction header through an auxiliary reservoir capable of storing the entire refrigerant load of the... | 07/18/2000 |
| 6073411 | Pre-cast rectangular cobblestone A pre-cast cobblestone (10) is comprised of a concrete body (11) of substantially rectangular outline and having a top and bottom wall (13-14) and opposed side walls (15). The top wall (13) is embossed and the side walls (15) have longitudinally shaped fl... | 06/13/2000 |
| 6031722 | Earth cooled distribution transformer system and method An earth cooled distribution transformer system and a method of cooling same and distributing electrical power to a plurality of consumer loads (31) is described. A distribution transformer (10 is provided with the primary (16) and secondary (17) windings... | 02/29/2000 |
| 6028414 | Fuel cell stand-by energy supply system A fuel cell stand-by energy supply system is provided for supplying electrical power to a device operated by power from an electrical utility in the event of a power failure. The system is comprised of a microcontroller which is connected to a detector ca... | 02/22/2000 |
| 6025041 | Down feather sheet A method of fabricating a down feather sheet is described and it comprises forming a sheet of down feathers having been treated whereby to retain a homogeneous form. A binder is associated with the down feathers whereby they are retained together in sheet... | 02/15/2000 |
| 6019129 | Valve position adjustable lock mechanism A valve position adjustable lock mechanism is secured to the handle which is connected to the stem of a valve element to control the position of the valve element and accordingly the size of the opening of the valve element. An indicator ring is secured t... | 02/01/2000 |
| 6000907 | Fluid-activatable vane for a fluid turbine A fluid-activatable vane is defined by a thin vane body having opposed narrow leading and trailing side edges and opposed substantially smooth large top and bottom surfaces. The body has a central longitudinal axis and is substantially symmetrical on oppo... | 12/14/1999 |
| 5996285 | In-line window structure for transport vehicle An in-line window structure for a transport vehicle is comprised of a rectangular frame in which a fixed pane is immovably secured. A displaceable pane is positionable adjacent the fixed pane in a common plane therewith. A lock interconnects sash members ... | 12/07/1999 |
| 5984589 | Wall construction block with retaining pin inserts A wall construction block for the construction of earth retaining walls includes a pair of spaced-part transverse pin receiving channels in the end walls of the block and disposed parallel to one another along respective longitudinal axis of the block whi... | 11/16/1999 |
