...that on Dec. 15, 1836, the Patent Office was completely destroyed by fire? Lost were some 7,000 models, 9,000 drawings, and 230 books plus all records of patent applications and grants.
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| Number | Title | Issue Date |
| 7604529 | Three-dimensional network for chemical mechanical polishing The polishing pad (104) is useful for polishing at least one of magnetic, optical and semiconductor substrates (112) in the presence of a polishing medium (120). The polishing pad (104) includes a three-dimensional network of interconnect... | 10/20/2009 |
| 7578729 | Apparatus at a flat card or roller card for grinding a clothing drawn onto a rotating roller, having a carrying device In an apparatus at a carding machine for grinding a clothing drawn onto a rotating roller, having a carrying device with at least one grinding element, the carrying device is attached to the carding machine. In order to make it possible, by means that are simple in ... | 08/25/2009 |
| 7578725 | Lens layout block device This apparatus includes a unit for adhering an elastic seal to a lens holder, a unit for causing the lens holder, to which the elastic seal is adhered, to hold a lens, a pivotal arm, an arm driving unit for pivoting the pivotal arm, a clamp unit attached to the pivo... | 08/25/2009 |
| 7537513 | Device for accelerating abrasives The invention relates to a device for accelerating abrasives, comprising a centrifugal wheel (8) that is driven to rotate about an axis of rotation. Said centrifugal wheel further comprises blades (2) that are disposed in a substantially radial orienta... | 05/26/2009 |
| 7530130 | Multi-tool incising attachment method and apparatus A multi-tool attachment having a configuration that is well-suited for incising material and performing various operations where two incising members are positioned on a main portion of the tool and the cutting-edge surfaces are in close engagement with one another ... | 05/12/2009 |
| 7503833 | Three-dimensional network for chemical mechanical polishing The polishing pad (104) is useful for polishing at least one of magnetic, optical and semiconductor substrates (112) in the presence of a polishing medium (120). The polishing pad (104) includes a three-dimensional network of interconnect... | 03/17/2009 |
| 7503096 | Dust-collectable mobile robotic vacuum cleaner A dust-collectable mobile robotic vacuum cleaner includes a base frame, a driving device mounted to the base frame, a control device mounted to the base frame and electrically connected with the driving device, a collision-detectable unit mounted to the base frame e... | 03/17/2009 |
| 7490535 | Wrench This invention is about a device used for installing a fixing nut on the targeted objects-multiple fixing screw axes protruded from the hub or for separating them from the targeted object or the fixing screw axis in order to fix vehicle's tire wheel to the hub when ... | 02/17/2009 |
| 7488241 | Precision control of sharpening angles A modified truncated cone-shaped disk is molded onto a plastic hub which is mounted on a motor driven shaft. The hub has an axial bore of a size to fit with very close clearance on the shaft while still permitting the disk to freely slide against a low spring force.... | 02/10/2009 |
| 7480960 | Bumper device of robot cleaner and robot cleaner having the same A bumper device of a robot cleaner, and a robot cleaner equipped with the bumper device are disclosed. The bumper device of a robot cleaner includes: a bumper housing coupled to cover an outer circumferential surface of a main body of a robot cleaner, made of a mate... | 01/27/2009 |
| 7481258 | Device for tyre disassembling machines designed to simplify tyre assembling without excessive stretching The present invention relates to an improved device for tire disassembling machines in general, designed to simplify tire assembling on rim without excessive stretching. ... | 01/27/2009 |
| 7475619 | Over torque proof socket A socket includes a body having a driving portion, a receiving portion engageable with a rotatable workpiece, a first gear portion capable of being operatively driven by rotation of the driving portion in a fastening direction and an opposite releasing direction, a ... | 01/13/2009 |
| 7473161 | Lapping machine and head device manufacturing method A lapping machine that polishes a head block in which plural head devices are connected in a row includes a jig that has a bottom surface that opposes to a grinding plane, and fixes the head block onto the bottom surface, a pressure mechanism that applies a pressure... | 01/06/2009 |
| 7469695 | Method of manufacturing regular polyhedral ornament and the ornament A method for manufacturing a single stone into a regular dodecahedral ornament or a regular icosahedral ornament, and the ornament manufactured according to the method are provided. The method enables the ornament to be manufactured at low costs with ease without us... | 12/30/2008 |
| 7467576 | Fixed torque limiting driver A clutch assembly for use with a torque limiting driver. The clutch assembly comprises two relatively roatable clutch plates, a driving plate and a camming plate, that face one another, with a plurality of rolling members housed between the two members. When the rol... | 12/23/2008 |
| 7467991 | Knife sharpener The present disclosure concerns embodiments of an improved knife sharpener. In particular embodiments, the knife sharpener has an elongated sharpening member, which can be, for example, an abrasive sharpening rod. The sharpening rod can be made of any of various sui... | 12/23/2008 |
| 7467574 | Versatile folding ratchet tool A versatile folding ratchet tool comprises a ratchet assembly having two driving ends; and two tool assemblies connected to the two driving ends of the ratchet assembly, respectively; wherein each said tool assembly comprises a rotational core having one side connec... | 12/23/2008 |
| 7467439 | Suction attachment for a vacuum cleaner A suction attachment has a suction nozzle and is coupled to a suction channel of a vacuum cleaner by a coupling member. The coupling member is pivotable relative to the suction nozzle about a pivot axis which extends perpendicularly to a main displacement direction ... | 12/23/2008 |
| 7465215 | Sponge blasting apparatus and sponge blasting method The present invention provides a sponge blasting apparatus comprising: a recovering unit which sucks and recovers a blasting medium jetted out of a nozzle; a sorting unit which sorts the blasting medium sucked and recovered by the recovering unit into a reusable bla... | 12/16/2008 |
| 7464914 | Robust consumer lifting device-power unit A power unit includes a rectangular frame base having a left shoe and a right shoe having a longitudinal track on their inner sides, a forward end having a support plate for receiving a jack stand, and a rearward end having a rear plate with an aperture for receivin... | 12/16/2008 |
| 7455097 | Machine for fitting and removing vehicle wheels A machine for fitting and removing vehicle wheels includes a base frame, a clamping and rotating device for clamping and rotating the rim of a vehicle wheel around a horizontal rotation axis, which are fitted on the base frame by interposing straight first guide mea... | 11/25/2008 |
| 7454998 | Socket assembly A socket assembly includes an outer part and an inner part which is inserted in the outer part. A flange extends radially outward from an end of the inner part and is mounted on an end of the outer part. The outer part is made by steel and the inner part is made by ... | 11/25/2008 |
| 7455574 | Locking system for a spindle of a power tool A mechanism for locking and cushioning a spindle of a power tool includes a driving disk, a combination of a cam and a plurality of elastic components, and a plurality of roller pairs. The combination of the cam and the elastic components is accommodated in a body. ... | 11/25/2008 |
| 7454997 | Axial pawl ratchet mechanism An axial pawl ratcheting mechanism is provided that may be used for a wrench and comprises a first disc including axial gear teeth on a first side providing for ratcheting in a first direction. A second disc is provided having axial gear teeth and peripheral gear te... | 11/25/2008 |
| 7448941 | Apparatus and method to test abrasion resistance of material using airborne particulate An apparatus and method to test the abrasion resistance of materials. In one embodiment, the apparatus comprises a conduit network, a primary air stream generating device to generate a primary air stream in the conduit network, a secondary air stream generating devi... | 11/11/2008 |
| 7444906 | Device for identifying clamping tools A device for marking or identifying a female recess tool for clamping a mobile element (such as a nut), characterized in that it is adapted to be completely inserted in the female recess and maintained therein by frictional forces. It is then easy to identify, for e... | 11/04/2008 |
| 7441480 | Disposable battery powered screw driver, locking mechanism, and accessories In accordance with one embodiment of the present invention, a driver may include an electric motor coupled to a bit interface. The bit interface may include a generally cylindrical body having first and second hollow portions. The first hollow portion may be on one ... | 10/28/2008 |
| 7441337 | Pruning shears or corresponding cutters Pruning shears or corresponding cutters comprising a first elongated handle part, a first blade part arranged as an extension of the first handle part, a second blade part pivoted to the first blade part from a first pivot point, and a second elongated handle part p... | 10/28/2008 |
| 7441298 | Coverage robot mobility An autonomous coverage robot includes a chassis, a drive system to maneuver the robot, an edge cleaning head carried, and a controller. The controller is configured to monitor motor current associated with the edge cleaning head and to reverse bias the edge cleaning... | 10/28/2008 |
| 7438278 | Tool for extracting an embedded elongated object A hand operated tool for extracting an embedded elongated object, includes: a) an elongated, movable first handle member with a first, upper end portion divided into two matching legs separated by an opening; b) a corresponding second handle member with a first jaw ... | 10/21/2008 |
| 7437790 | Pool cleaning vacuum employing multiple power supply sources and associated method A pool cleaning vacuum employing multiple power supply sources and associated method includes a body including first, second and third vertically juxtaposed chambers formed therein. The chambers share a wall with the second chamber wherein the third chamber is isola... | 10/21/2008 |
| 7434294 | Suction opening body and electric cleaner A suction inlet unit comprises a suction inlet main body having a bottom suction inlet, a front suction inlet formed continuously with said bottom suction inlet in the front of said suction inlet main body, and a cover for covering the front suction inlet. The cover... | 10/14/2008 |
| 7430943 | Driving tool having rotatable coupling A driving tool includes a tool stem having a non-circular spatial engaging member and having one or more flat surfaces, a tool shank having a non-circular socket opening and having one or more curved surfaces for pivotally receiving the spatial engaging member of th... | 10/07/2008 |
| 7431637 | Saw-setting machine for saw chain It is to provide a saw chain sharpener such that while a saw chain is clamped at both ends by a holding plate, which is supported forward of a handy type electric motor, so as to stabilize its sharpening posture, a grinding tool such as a round rod-shaped grinding t... | 10/07/2008 |
| 7429035 | Equipment handling apparatus An equipment handling apparatus is described. The equipment handling apparatus includes a base and a mast coupled to the base, an equipment head coupled to and translatable along the mast, and a mounting device rotatably coupled to the equipment head. In this regard... | 09/30/2008 |
| 7426770 | Rotating brush driving control apparatus for vacuum cleaner The present disclosure relates to a rotating brush driving control apparatus. The rotating brush driving control apparatus includes a supporting bracket disposed in a suction brush assembly; a moving member slidably and elastically disposed in the supporting bracket... | 09/23/2008 |
| 7424837 | Quick switch hand tool A quick switch hand tool includes a base board, a plate, a shell, and a cover connected together. A driving shaft is rotatably disposed in the base board, the plate, the shell and the cover. A switch means is mounted on the base board and is provided for switching t... | 09/16/2008 |
| 7424839 | Wrench A wrench has a body, a head and at least one pivotal device. The body has two arms separately formed on a distal end of the body and a mounting recess formed between the two arms. Each arm has a hole defined through the arm. The head is rotatably and replaceably mou... | 09/16/2008 |
| 7421759 | Vacuum extraction apparatus for cleaning a surface An apparatus (20) for cleaning a surface (22) includes a clean fluid tank (26) containing a cleaning fluid (46) and configured for delivery of the fluid (46) to the surface (22). The clean fluid tank (26) has a first ... | 09/09/2008 |
| 7418764 | Mode control arrangement for a floor care appliance An upright vacuum cleaner is provided having a suction nozzle height adjustment arrangement controlled by a rotary mode control member located on the upper housing. The rotary mode control member controls a suction nozzle height adjustment motor and a rotary agitato... | 09/02/2008 |