Did You Know...
...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
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 |
| 7303364 | Switch assembly An apparatus for providing convenient control of a power tool electrical system. A switch assembly includes a first actuator and a second actuator, which is disposed remotely from the switch and first actuator. The second actuator is connected via a coupling device,... | 12/04/2007 |
| 7273333 | Methods and apparatus for counterbalance-assisted manufacturing operations Methods and apparatus for counterbalanced manufacturing operations are disclosed. In one embodiment, an apparatus for supporting a tool relative to a surface of a workpiece includes a base adapted to be attached to the workpiece, a tool support coupled to the base, ... | 09/25/2007 |
| 7264426 | Apparatus and methods for servo-controlled manufacturing operations Apparatus and methods for servo-controlled manufacturing operations are disclosed. In one embodiment, an apparatus includes a base member, a drive platform spaced apart from the base member by a separation distance, and a plurality of guide members extending between... | 09/04/2007 |
| 7257872 | Electrode tip dresser An electrode tip dresser is disclosed which can dress a pair of electrode tips to a usable state while achieving a desired accuracy of a tip surface of each electrode tip including an angular portion at a peripheral edge of the tip surface, without separating each e... | 08/21/2007 |
| 7237990 | Surgical tool system with quick release coupling assembly A surgical tool system with a handpiece and a cutting accessory that has inner and outer hubs. The handpiece has a spring biased lock ring that abuts a complementary stop member integral with the accessory outer hub to hold the accessory to the handpiece. An RFID ch... | 07/03/2007 |
| 7156723 | Method and apparatus for non-interrupted grinding of railroad crossing and main line track A system for the grinding of unencumbered and encumbered sections of rail includes a locomotive that pulls a first and a second grinding module. The first grinding module is movable between a first and a second position. In the first position, the first grinding mod... | 01/02/2007 |
| 7137760 | Methods and apparatus for manufacturing operations using opposing-force support systems Methods and apparatus for manufacturing operations using opposing-force support systems are disclosed. In one embodiment, an apparatus includes a track assembly adapted to be attached to a workpiece, and a carriage moveably coupled to the track assembly. The carriag... | 11/21/2006 |
| 7108464 | Switch assembly An apparatus for providing convenient control of a power tool electrical system. A switch assembly includes a first actuator and a second actuator, which is disposed remotely from the switch and first actuator. The second actuator is connected via a coupling device,... | 09/19/2006 |
| 7073993 | Switch assembly The present invention is directed to an apparatus for providing convenient control of a power tool electrical system. A switch assembly of the present invention includes a first actuator and a second actuator, which is disposed remotely from the switch and first act... | 07/11/2006 |
| 7070366 | Drill stand for a core drilling machine A drill stand for a core drilling machine (1) for driving an annular core bit (2) rotatable about a rotational axis (A) has a base plate formed of a post plate (3) and a vacuum plate (6) securable with each other with a possibility of dis... | 07/04/2006 |
| 6918720 | Circle forming attachment for hand held power tool A circle forming apparatus (100) for a power tool and a method for using the apparatus provides for the formation of circles or circular apertures in a workpiece. A first arm (104) and second arm (106) are rotatably coupled, and a fastener allow... | 07/19/2005 |
| 6884010 | Apparatus for scoring cove moldings A scoring apparatus for placing a scoring line on a back surface of a piece of vinyl or rubber cove molding, in order to easily conform the molding about sharp corners. The scoring apparatus uses a frame for pivotally supporting a router between an inoperative posit... | 04/26/2005 |
| 6835032 | Rotary power hand tool having a flexible handle and attachment system A preferred embodiment of the present invention is directed to a detachable flexible handle for a power hand tool and an attachment system associated with the handle and the tool for releasably attaching either a rigid or the flexible handle to the power hand tool. ... | 12/28/2004 |
| 6758642 | Orbital hand tool apparatus for drilling A hand tool apparatus uses a cutting tool with a first width and a tool axis to machine a hole in an object. The hole has a second width at least as large as the first width of the cutting tool. The apparatus includes a housing, a spindle unit in the housing for rot... | 07/06/2004 |
| 6719504 | Motorized grout-removing device A device for removing grout from between a joint. The device comprises at least one handle member with at least one guide and at least one motor portion. The motor portion has at least one cutting member. The guide and the cutting member are aligned. The guide is ad... | 04/13/2004 |
| 6679658 | Quarter turn accessory coupling apparatus A combined rotary hand tool and accessory attachment includes a rotary hand tool having an output shaft and a nose end associated with the shaft. An accessory attachment has a mounting portion configured for releasable attachment to the nose end and an en... | 01/20/2004 |
| 6540455 | Machine and method for circumferentially milling a cylindrical work piece A circumferential milling machine is for milling along an arcuate portion of a cylindrical work piece having a cylindrical outer surface and is capable of milling a series of circumferentially space holes or slots, axially expanded holes or slots and/or t... | 04/01/2003 |
| 6435784 | Method and device for the surface machining of a structure such as a cellular structure In order to make notches in partitions separating substantially aligned recesses issuing onto the surface of a structure (10), use is made of a machining head (26) having a cutting tool (28) and at least one rotary member (52) adjacent to said tool. The r... | 08/20/2002 |
| 6416263 | Piping structure, existing pipe cutting method and fluid supply suspension-free method A piping structure of the present invention comprises an existing pipe and a seal-up housing. The existing pipe has a collection opening formed in the bottom thereof. The seal-up housing comprises two or more housing parts which are segmented circumferent... | 07/09/2002 |
| 6382889 | Portable multi-axis machine A portable multi-axis drilling machine includes a drill mounted between a pair of 2-axis positioning devices each of which translates along X and Y axes. The positioning devices are spaced apart along a Z axis of the machine and are mounted in a frame tha... | 05/07/2002 |
| 6368033 | Right-angle plunge router A portable electric right-angle plunge router (10) is disclosed which has a pair of laterally spaced apart bases (13, 14), two pair of laterally spaced apart columns (12) and a motor housing assembly (11). The bases (13, 14) have planar work engaging surf... | 04/09/2002 |
| 6213694 | Device for repairing metal-stamping dies A metal mold repair tool is provided for leveling the work surface of stamping dies used in metal forming operations. The repair tool includes a pair of guides disposed on opposite lateral sides of a rotary finisher to precisely position the finisher with... | 04/10/2001 |
| 6065913 | Plunge router guide The present invention concerns an apparatus for allowing the operator of a plunge router to make accurate mortising or doweling cuts in a workpiece and more particularly to allow dowel holes or mortises to be executed in pieces of wood which are to be sec... | 05/23/2000 |
| 6033166 | Rail milling machine An apparatus for the field milling of a pocket into a railroad stock rail to accommodate the precise nesting abutment of a switch point rail thereto avoids the necessity of milling such pockets under shop conditions and permits the use of Continuous Welde... | 03/07/2000 |
| 6007278 | Device for machining an interior surface of a tubular object Disclosed is a device for use in machining an interior surface of a tubular object which comprises a pair of rails that can be longitudinally instad through the interior section of the tubular object. Braces join the rail for fixing the rails to the tub... | 12/28/1999 |
| 5833409 | Power tools A power tool (e.g. a laminate trimmer 10) includes an adjustable support for setting the position of the motor unit (16). The support includes a first collar element (24) secured to the motor and a support upright (14). A stud (32) threadedly secured to t... | 11/10/1998 |
| 5813807 | Plunge router guide The present invention concerns an apparatus for allowing the operator of a plunge router to make accurate mortising or doweling cuts in a workpiece and more particularly to allow dowel holes or mortises to be executed in pieces of wood which are to be sec... | 09/29/1998 |
| 5778950 | Planer attachment A support for a number of portable machine tools, such as planers, has a planer mounting member with an aperture to provide access to the workpiece for the tool bit of each tool. The tools are releasably secured to the mounting member and can be retained ... | 07/14/1998 |
| 5685676 | Router carriage attachment An accessory carriage unit attachment for electric router, composed of one main elemental component: the slab carriage unit securable to the router at a perpenduclar angle to the major guide side surface, with attachable plastic means for greater slidable... | 11/11/1997 |
| 5662440 | Router attachment A router attachment is provided for converting a small hand-held rotary cutting tool into a miniature router. The attachment has a base having a planar lower surface, a central aperture, an upright column and a handle. A tool holder slidably mounted on th... | 09/02/1997 |
| 5549505 | Installation for the reprofiling of tracks carried out on a railway line The reprofiling installation includes, arranged below a railway carriage, a milling device consisting of two frames (8, 9) linked together. These frames (8, 9) of differing lengths and guided by the track, carry each a milling unit (22, 24). The installat... | 08/27/1996 |
| 5533845 | Milling machine A portable milling apparatus is disclosed where said apparatus, in one embodiment, comprises a cutting head, a control mechanism and a power supply where said cutting head generally includes a frame, an axial displacement means, a rotary cylinder and alig... | 07/09/1996 |
| 5511915 | Fixture for retrofitting and wiring security alarm door jamb switches to security systems An installation method for security switches located in door jambs and connection into security system wiring is provided together with a mounting fixture for simplifying the installation. To avoid wall damage, with cylindrically packaged security switche... | 04/30/1996 |
| 5452751 | Multi-purpose router baseplate A multi-purpose router baseplate accessory is configured to perform eight different woodworking tasks. The accessory includes a rectangular rigid transparent plate with a pair of handles, at least one of which is readily removable, and two separate mounti... | 09/26/1995 |
| 5445307 | Method of correcting the partially worn die mounting surfaces of the platens of a die casting machine A method of correcting the partially worn die mounting surfaces of the stationary and the movable platen of a die casting machine is capable of correcting the partially worn die mounting surfaces through comparatively simple processes in a comparatively s... | 08/29/1995 |
| 5439329 | Valve machining unit Methods and apparatus for on-site machining are disclosed. The internal portions of devices such as turbine valves must be machined in place, but present certain areas, such as the valve seat, that cannot be readily accessed from an external surface. The ... | 08/08/1995 |
| 5350262 | Door seal machining device A device for preparing a coke oven door includes a frame for securing the door in a working position. A milling machine for machining the door seal includes a gantry coupled to the frame and a milling head coupled to the gantry. The milling head is movabl... | 09/27/1994 |
| 5333975 | Method of and apparatus for dressing tips for welding machines A method of and apparatus for dressing tips for welding machines equipped with tips which are advanced toward a dresser body so as to be dressed by the cutters of the dresser body at a pressurized state. The method comprises the steps of driving to rotate... | 08/02/1994 |
| 5297907 | Portable machine tool A machine tool comprises an elongated beam adapted to be supported in a horizontal orientation at two locations spaced apart therealong and adapted to support a machining head. Tensioning bars extend parallel to the beam and engage the beam at opposite en... | 03/29/1994 |
| 5273091 | Biscuit jointer The present invention provides an improved biscuit jointer which allows a ruler guide to be kept completely level during fine adjustment of the vertical position and angular orientation of the ruler guide with respect to a ruler and accurately abuts again... | 12/28/1993 |
