Famous Patents
Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| 8181719 | Flow pulsing device for a drilling motor A downhole flow pulsing device comprises a housing connected in series with a drill string and a valve with a rotating portion in the housing arranged to vary an area of a flow passage through the housing. A fluid actuated positive displacement motor drives rotation... | 05/22/2012 |
| 8177392 | Light strip including a core layer of insulating material receiving spaced apart light emitting diodes A light strip comprises an elongate core layer of insulating material having a plurality of light mounting apertures extending through the core layer between the two opposed faces of the core layer and receiving respective light emitting diodes therein. Two conducti... | 05/15/2012 |
| D657869 | Intravenous line organizer | 04/17/2012 |
| 8147700 | Wastewater treatment system and method A wastewater treatment system and method comprises a treatment chamber having a filtration membrane spanning an effluent outlet of the chamber and a pair of electrodes in the treatment chamber so as to be in communication with the wastewater. An electrical potential... | 04/03/2012 |
| 8146520 | Apparatus and method for feeding stacks of multiple tags to a sewing machine in automated closure and tagging of bags A tag feeding apparatus for use with a bag-closing and tag-applying sewing machine in order to attach multiple tags to each bag in a sequence of bags delivered to the sewing machine for closing of each bag and simultaneous attachment of the multiple tags by sewing t... | 04/03/2012 |
| 8132998 | Trailer ramp system A ramp member is pivotally supported at the rear of a flat bed trailer for pivotal movement between a loading position extending from the flat bed to the ground and a storage position supported on the trailer bed, through an intermediate position between the loading... | 03/13/2012 |
| 8132617 | Gripper block A gripper block for conveying continuous rod in a well bore comprises a carrier body formed of a first metal and arranged to be mounted on one of the pair of continuous drive chains of a continuous rod conveying apparatus. A gripping element supported on the carrier... | 03/13/2012 |
| 8113296 | Anti-rotation device for an impact tool An anti-rotation device resists relative rotation between a shank and a tool head within which the shank is supported in an impact tool, for example a rivet gun. The anti-rotation device includes a first anchor portion arranged to grip the shank between the mounting... | 02/14/2012 |
| 8111984 | Matte box assembly A matte box assembly is arranged for use with a camera rig including a camera body supported on a pair of parallel and spaced apart mounting rails extending in a longitudinal direction. The matte box assembly includes a matte frame surrounding a lens opening for ali... | 02/07/2012 |
| 8109013 | Protective cover device for a skate boot A protective cover device for a skate boot comprises a panel member including a central portion spanning part of the skate tongue and two side portions extending outwardly and downwardly from the central portion to span towards respective inner and outer sides of th... | 02/07/2012 |
| 8104160 | Method for deployment of temporary fencing A method of deploying temporary fencing includes connecting a first end of spooled fencing wire to a first fencepost, and with the spool rotatably on a vehicle, driving the vehicle toward a second position along a perimeter of an area to be fenced in. During this tr... | 01/31/2012 |
| 8085987 | Method and tool for surface texture evaluation Texture of a surface, for example concrete, is evaluated by capturing images of the surface facing the surface in a direction of an orthogonal axis extending perpendicularly from the surface while sequentially projecting light onto the surface from each of four ligh... | 12/27/2011 |
| 8074314 | Hinged ramp assembly A ramp is assembled from first and second boards such that the first and second boards are foldable relative to one another. Rail assemblies comprising first and second channels are fastened along opposing sides of the boards. First and second hinge members, fastene... | 12/13/2011 |
| 8063790 | System and method for detecting the presence of an object In a reflection type proximity detector or method, a controller calculates a calibration value based on ambient conditions with the transmitter off and then performs tests. In each test, the calibration value is added to and subtracted from a measured value taken wi... | 11/22/2011 |
| 8061283 | Method of recycling exhaust emissions An emissions recycling system is used on a vehicle towing an agricultural implement to enrich the fertility of the soil. The system includes an exhaust collector for collecting exhaust emissions from the internal combustion engine of the towing vehicle and an exhaus... | 11/22/2011 |
| 8057316 | Bumper boat amusement attractions, methods and systems and water effect device usable in same An amusement device that is added to a new or existing bumper boat attraction, consisting of a singular or plurality of targets, lights, water effect devices, and a control system or module. The target may be comprised of a mechanical switch, pressure switch, sensor... | 11/15/2011 |
| 8056252 | Moisture removal system A sheathing layer spans a supporting surface from which moisture is to be removed. In one exemplary system, ventilation channels extend between opposed ends of the substrate layer, communicating with an outlet opening at one end and with a duct at the opposing end w... | 11/15/2011 |
| 8042824 | Wheel mount assembly A wheel mount assembly for mounting a drive wheel to a frame of a wheelchair is provided. The assembly includes a camber body attachable to an axle of one of the drive wheels and operable to pivotably couple about the frame through a range of camber angles; a spacer... | 10/25/2011 |
| 8033459 | System and method for secure electronic data delivery Electronic data is securely delivered from an issuer to a recipient, in the form of an encrypted object. Data belonging to the issuer to be delivered is first selected and then encrypted into the object. The object is registered with a transaction archive for tracki... | 10/11/2011 |
| 8033384 | Steerable wheel for an agricultural conveyor An agricultural conveyor is supported on a pair of steerable wheels such that the steerable wheels are pivotal relative to the conveyor frame about respective upright axes. A hydraulically actuated steering mechanism is arranged to commonly pivot the steerable wheel... | 10/11/2011 |
| 8033376 | Steerable conveyor The steerable conveyor includes a conveyor frame supported on a first pair of wheels and a second pair of wheels at laterally opposed first and second sides of the conveyor. The conveyor includes a hitch for connection to a towing vehicle such that the conveyor is p... | 10/11/2011 |
| 8033065 | Prefabricated building panels and structures, building, methods and systems relating to same Wall and floor structures of a building each comprise a base layer comprising prefabricated panels with grooved inner faces and a covering layer disposed over the panels to cooperate with walls of the grooves to define channels extending along the panels. Selected g... | 10/11/2011 |
| 8020926 | Vehicular structural frame assembly A structural vehicular frame assembly includes an inner panel of interconnected flange members forming a first common plate of material and an outer panel of interconnected flange member forming a second common plate of material. Each of the flange members of the ou... | 09/20/2011 |
| D645552 | Firelog tray | 09/20/2011 |
| 7996955 | Modular street sweeper A modular street sweeper includes a pair of side brooms to sweep debris laterally inwardly from opposing sides of the sweeper and a pickup mechanism to convey the swept debris from the ground to a collection hopper. The pickup mechanism includes a conveyor module in... | 08/16/2011 |
| 7976265 | Ground level loading trailor A trailer has a deck frame arranged to carry a load thereon for being towed by a towing vehicle in a transport position spaced above the ground. The deck frame is further arranged to be lowered from the transport position to a loading position at ground level. Side ... | 07/12/2011 |
| 7973589 | Micro-controller-based electronic switch using a proximity detector to facilitate hands-free control of an AC device This system is a no touch single pole single throw (spst) two wire electronic light switch that uses an Infrared Proximity Detector to create a working system designed to replace existing mechanical switches common in households. The use of a Micro Controller enable... | 07/05/2011 |
| 7971702 | Auger hopper support device A hopper support device supports a hopper on an agricultural granular material conveying auger such that the hopper can be readily separated from the auger or the hopper can remain adequately supported on the auger when the auger is displaced. The hopper support dev... | 07/05/2011 |
| 7971385 | Under ice crawler An under ice crawler lowerable into a body of water through a hole in a layer of ice overtop is operable to extend a flexible line within the body of water between two points spaced along the ice. The crawler features a floating body having sliding surfaces defined ... | 07/05/2011 |
| 7967496 | Concrete batch mixer A batch mixer comprises a mixing drum rotatable about a longitudinal axis extending between an inlet opening and a discharge opening at opposing ends of the drum. Mixing members and transfer members supported in the drum mix the material when rotated in a first dire... | 06/28/2011 |
| 7956624 | Method and system for monitoring growth characteristics A system monitors growth characteristics of a plant having a root buried in a prescribed volume of ground using a plurality of electrodes inserted into the ground at a known spacing relative to one another in proximity to the root or root-like structure. When electr... | 06/07/2011 |
| 7950684 | Wheelchair side guards Wheelchair side guards are provided with a strip and covering materials. The strip is sufficiently rigid to keep the shape and position of the side guards such that a user and their clothes are kept away from the wheelchair wheels. The side guards may also comprise ... | 05/31/2011 |
| 7946416 | Retractable transfer conveyor A transfer conveyor comprises a transfer tube supporting a transfer auger rotatably therein and a transfer drive mechanism arranged to drive rotation of the transfer auger so as to convey material from the inlet opening to the outlet opening of the transfer tube. A ... | 05/24/2011 |
| 7931078 | Stuffing box apparatus A stuffing box apparatus for sealing between a polish rod in a hydrocarbon production well comprises a tubular housing arranged for connection to the well which has a bore therethrough to receive the polish rod. Sealing members are supported in the bore of the housi... | 04/26/2011 |
| 7926882 | Ice grooving device and method A groove is formed in a body of ice using a milling cutter to form lines of weakness for breaking up the body of ice. The shaft of the milling cutter is arranged to be supported in an upright orientation such that the shaft extends through a surface of the body of i... | 04/19/2011 |
| 7909609 | Educational device and method of use A method of counting in multiples uses an educational device comprising a base and a set of ten markers positioned on the base spaced apart from one another along a generally annular path. Each marker is associated with a respective one of a range of numbers 0 throu... | 03/22/2011 |
| 7905800 | Hockey shooting training device A hockey shooting training device comprises an elongate track and a carriage having a puck shaped an engaging member supported thereon for engagement by a hockey stick to be displaced along the track with the carriage from a starting end to a target end. Wheels on t... | 03/15/2011 |
| 7900568 | Seed and fertilizer opener and seeding implement featuring same An opener for mounting on a shank of an agricultural implement features a central body to be mounted on the shank, furrowing portions carried on the central body to form a seed bed as the central body is pulled through ground on the shank in a forward working direct... | 03/08/2011 |
| 7891888 | Camera slider system The camera slider system supports a camera for longitudinal sliding or rolling movement along a pair of elongate support members which are parallel and spaced apart from one another. The camera mount supporting the camera thereon is supported by a pair of link membe... | 02/22/2011 |
| 7891436 | Furrow opener with replaceable elongate tip body A furrow opener comprises an opener body including a shank mount arranged to support the opener body on an agricultural implement shank for movement in a forward working direction and a tip body readily separable from the opener body and arranged for forming a furro... | 02/22/2011 |
