Famous Patents
The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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 |
| 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 |
| 7381120 | Knife sharpener A knife sharpener comprising a sharpening device preferably of the type involving upwardly extending pairs of overlapping, resiliently flexible fingers or strips forming opposed abrasive sharpening faces, provided with a pair of shields respectively operative betwee... | 06/03/2008 |
| 7361079 | Pipe deburring tool A pipe deburring tool (1) comprises a deburring means (2) arranged to deburr the inside surface of a pipe and a cleaning means (3) arranged to simultaneously prepare the outside surface of the pipe upon relative rotation of the tool and pipe. Th... | 04/22/2008 |
| 7320268 | Cutting, profiling, and edge-preparing apparatus An apparatus for cutting and/or profile machining an edge of a pipe is provided. The apparatus includes a housing, a rotatable faceplate mounted on a front surface of the housing, and a tool holder mounted on the faceplate and holding a cutting tool. In a first embo... | 01/22/2008 |
| 7320635 | Device for sharpening chain saw teeth A device for sharpening chain saw teeth, in particular a chain saw which is portable and applicable in the field, and where the chain is not to be taken off the chain saw blade when sharpened enables swinging of a grinding wheel (16) transversally to each too... | 01/22/2008 |
| 7316604 | Aircraft transparency polisher and/or surface refinisher A machine for polishing aircraft windows including a window positioner device securable to the side of an aircraft, a frame for holding a polishing system attachable to the window positioner device, a robot seat frame system attachable to the frame, and a robot secu... | 01/08/2008 |
| 7241209 | Orbiting polishing tool An orbiting polishing tool for at least one of polishing and material removal. The orbiting polishing tool may include a housing of a housing assembly rotatable about a first axis. The orbiting polishing tool may also include at least one abrasive wheel rotatable ab... | 07/10/2007 |
| 7217174 | Portable optical fiber polisher A polisher has an offset axis and a friction cam useful in a method of polishing that comprises a more random, elongated polishing pattern than known orbital polishers and is capable of portable use using a 9 volt battery. The method is capable of using lower contac... | 05/15/2007 |
| 7169022 | Method and apparatus for creating a groove in a collector ring of an electrical device A method and apparatus for creating a groove in the surface of a collector ring for use in an electrical device. The method and apparatus can be used to create a new groove in the surface of a collector ring having none, or can be used to enhance or re-form an exist... | 01/30/2007 |
| 7137873 | Grinding method for workpiece, jet guide means and jet regulation means used for the method A grinding method is provided which can grind a processing surface of a workpiece by a blast processing without use of specific abrasives to obtain a glossy surface such as a mirror surface. Abrasives together with compresses fluid are injected to the processing sur... | 11/21/2006 |
| 7131898 | Adjustable surface positioning guide for a rotary hand-held tool A removable surface positioning guide for a rotary hand-held tool provides one or more adjustable features for selective positioning of a surface engaging bit driven by the rotary hand-held tool. The surface positioning guide may include a pivot joint between a guid... | 11/07/2006 |
| 7114413 | Portable band saw sharpener The portable band saw sharpener includes a frame for receiving a saw blade that is to be sharpened. A hand-operated motor is pivotally mounted to the frame for driving a grinding wheel, which engages the teeth of the saw blade. A hand-operated structure releasably h... | 10/03/2006 |
| 7115018 | Hand held electric polisher A polisher has a polishing disc on a shaft driven by a brushless DC motor driven by a motor controller mounted spaced from the polisher and adjacent a ground fault interrupt circuit and a power plug. Power and control wires form a cord that provides communication be... | 10/03/2006 |
| 7101295 | Power transmission device and portable power working machine provided with the same A power transmission device is disclosed which is capable of easily, swiftly and appropriately altering the distance between the axes of a pair of transmission wheels such as pulleys, enabling an endless belt to be kept under constant and appropriate tension without... | 09/05/2006 |
| 7066799 | Protection mask for surface treatment of turbomachine blades A protection mask used during surface treatment for a turbomachine blade, including for example a sand blasting step and/or a metal coating step, includes at least one part matching the shape of a portion of the blade. The mask is designed to resist surface treatmen... | 06/27/2006 |
| 7055650 | Saw accessory for aerial work platform A wall saw accessory is provided for an aerial work platform, where a wall saw is movably affixed on a track secured to a wall to be sawed. The accessory includes a saw/track manipulator fixable to the aerial work platform. The saw/track manipulator movably supports... | 06/06/2006 |
| 7032279 | Apparatus and methods for repairing compressor airfoils in situ The apparatus includes a track mounted in the inlet of a compressor. A manipulator is mounted for movement about the track and carries three modules, the last of which mounts a tool head for movement in a Cartesian coordinate system and about the track. A measuring ... | 04/25/2006 |
| 7029371 | Jig for guiding a grinder A jig is structured to guide a grinder along the inner surface of the base or cover of a combustion turbine. The jig includes a base having a bottom surface with a plurality of rollers arranged in substantially the same radius as the portion of the casing being repa... | 04/18/2006 |
| 7018281 | Sharpening apparatus The sharpening apparatus of the present invention preferably comprises a hand sharpener that may be assembled or mounted on the knife (e.g., sold mounted on the knife by the knife manufacturer or purchased separately and mounted on the knife by the end-user), and wh... | 03/28/2006 |
| 6991521 | Edge finishing process for glass or ceramic disks used in disk drive data storage devices The circumferential edges of glass or ceramic disks used in disk drive data storage devices are preferably finished by ductile grinding to produce an essentially fracture-free surface, which is not chemically strengthened. Preferably, the material is glass, and both... | 01/31/2006 |
| 6958004 | Saw grinding apparatus with improved wear plates A saw grinder having improved wear plates for allowing the saw grinder carriage to move without having to overcome the resistance caused by contact of the saw grinder wear plates with the peripheral edge of a saw blade. The wear plates form two separate wear plate a... | 10/25/2005 |
| 6948782 | Wheel hub assemblies with anti-rotate feature for use with zero-radius-turning vehicle The present invention provides a hub assembly and a hub fastener anti-rotate apparatus for securing a wheel of vehicle (e.g., a zero-radius-turning lawn mower) to a vehicle drive axle. The anti-rotate apparatus may assist in preventing or substantially limiting loos... | 09/27/2005 |
| 6916229 | Machine-implemented method for forming a release surface of a mold A machine-implemented method is provided for forming a release surface of a mold. The mold has a mold cavity confined by an inner peripheral surface defining a mold cavity axis. The method includes the steps of: (a) bringing a grinding surface of a rotary grinding p... | 07/12/2005 |
| 6875084 | Method for fluid jet formation A method and apparatus for controlling the coherence of a high-pressure fluid jet directed toward a selected surface. In one embodiment, the coherence is controlled by manipulating a turbulence level of the fluid forming the fluid jet. The turbulence level can be ma... | 04/05/2005 |
| 6860795 | Edge finishing process for glass or ceramic disks used in disk drive data storage devices The circumferential edges of glass or ceramic disks used in disk drive data storage devices are preferably finished by ductile grinding to produce an essentially fracture-free surface, which is not chemically strengthened. Preferably, the material is glass, and both... | 03/01/2005 |
| 6857943 | Burr removal apparatus Apparatus for removing a burr from an edge of a workpiece comprising a rotating shaft, an abrasive mechanism along a distal end portion of the shaft, and a non-abrasive collar provided along the abrasive mechanism. The non-abrasive collar protects the wall of the wo... | 02/22/2005 |
| 6702659 | Profiling device A device is provided to assist in the cutting, mitrering, chamfering, and similar operations of ceramic and other tiles. The device can be readily attached to, and subsequently removed from, a cutting implement, such as an angle grinder or a circular saw ... | 03/09/2004 |
| 6007410 | Pipefacing tool The present invention relates to a method for squaring pipe ends. The method can be used for squaring the ends of a single pipe length or the facing ends of two cut pipe portions of an existing pipe. The method is particularly useful in inserting a new pi... | 12/28/1999 |
| 5931728 | Device for carrying out mechanical tooling of a valve seat The invention concerns an arrangement for machining a valve seat (1a) in a valve housing (1). The housing has a circular opening (1d) which is concentric with the seat (1a) and about which is a flat annular surface (1e). The arrangement comprises a suppor... | 08/03/1999 |
| 5919083 | Centering template for concentric grinding There is disclosed a self-centering template useful for centering cylindrical bodies on their axes in rotating machines such as a concentric grinder. The centering templates of the invention are generically cup-shaped plates, having an end disc with a dep... | 07/06/1999 |
| 5848930 | Aircraft trimming device Provided is an aircraft trimming device including a guide assembly (24) and a cutting tool (26). The guide assembly (24) includes a rigid plate (25) and a T-shaped track (30) mounted to one side of the plate to serve as a support and a guide for the cutti... | 12/15/1998 |
| 5685767 | Sandblasting apparatus A sandblasting system including two principal components, a trolley which is located on the flat upper surface of the object to be sandblasted and a blasting machine with an oscillating blast nozzle that is carried by the trolley. For cleaning vertical su... | 11/11/1997 |
| 5645040 | Cable saw machine for cutting concrete bodies, rocks or the like A pulley block is provided for rope storage to receive reserve cable or rope in a rope saw machine (3). The saw rope (1) is slung around the deflecting rollers of a stationary roller carrier and of a movable roller carrier (5,6) mounted on a frame (4). Tw... | 07/08/1997 |
| 5545079 | Apparatus forming a cutting machine or circular saw An apparatus forming a portable, hand-operated machine (1, 1', 1"), having a circular cutting wheel (4) or saw blade (4") which is rotatable about a center of rotation (5, 5"), comprises a double-armed holder (9) with a rear arm (20) which, at its rear, f... | 08/13/1996 |
| 5512011 | Cover plate header tongue and groove grinding/polishing machine An apparatus for removing machine lines from the gasket groove in the flanges of a header box has a support plate mounted for linear movement on rails connected to the header box. The support carries a tool driver which can be pivoted below the support to... | 04/30/1996 |
| 5449317 | Grinding and cutting guide assembly for hand held shaping tool A drilling, grinding, and shaping guidance assembly particularly suited for attachment to a precision jewelers' grinding and cutting handpiece. The guidance assembly is integrally attached or clamped on the jewelers' handpiece. The guide arms of the assem... | 09/12/1995 |
| 5403133 | Apparatus for carrying out mig welding on three-dimensional curved surface, and milling apparatus for automatically forming welding grooves An automatic welding apparatus and an automatic milling apparatus for machining welding grooves in order to weld a three-dimensional surface such as a ball tank or the like are disclosed. A welding wire spool is accommodated within a case and a cover to p... | 04/04/1995 |
| 5377238 | Device for the underwater machining of a spacer-grid of a fuel assembly for a nuclear reactor The device comprises a platform (13) fixed in a horizontal position on a support structure (3) for the fuel assembly (4) placed under water in a pool (1). The platform (13) includes a table (14) for shifting a carriage (35) in two crossed directions in a ... | 12/27/1994 |
| 5343584 | Nuclear reactor pressure vessel and head flange polisher A polisher is supported on either a frame/arm arrangement or on a vehicle which is guided by track, and is arranged to be energized to polish a predetermined surface of an annular flange or the like, when relative movement is sensed between the polishing ... | 09/06/1994 |
| 5233744 | In site flywheel repair apparatus Method and apparatus are provided for repairing machine drive elements and particularly vehicle flywheels in situ. The apparatus includes a jig assembly mountable on a transmission housing and provided with a supporting surface including a slide mount ass... | 08/10/1993 |
