Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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 |
| 7316527 | Lockset drilling guide A lockset drilling guide that comprises a frame is provided. The frame comprises a first flange and a second flange. The second flange is capable of flexing relative to the first flange. The lockset drilling guide further comprises at least a first opening and a sec... | 01/08/2008 |
| 7223054 | Spiral groove pipe joint machining assembly A spiral spline groove machine apparatus for manufacturing a sealed spiral spline pipe connection by machining spiral grooves into the bell and spigot end of a length of pipe. A rotating cutter is adapted to cut a spiral groove in the inside of the bell of the pipe ... | 05/29/2007 |
| 7140813 | Line boring machine An up modifier is provided which includes a bed, a modifier, a clamp, a modifier linkage system, a clamp linkage system, and a lever. The modifier is disposed below the bed and is vertically traversable thereunder. The clamp is disposed above the bed and is vertical... | 11/28/2006 |
| 7048479 | Machine tool apparatus A machining tool has a tool holder aligned on an axis of rotation β of its shaft, which axis β is oblique to the axis of rotation of a spindle at a predetermined angle θ. Accordingly, the machining tool may perform oblique machining of a workpiece. A power transm... | 05/23/2006 |
| 7027879 | Press apparatus, striker control modular tool apparatus and programmable method for punching apertures into a workpiece Method and apparatus for punching apertures into a workpiece. A press apparatus includes an inputting device, that enables a user of the press apparatus to input working pattern data representing the workpiece, and a display device, that displays a working pattern o... | 04/11/2006 |
| 6908264 | Quick change drill bit A quick-change core drill includes an adapter and a generally tubular drill barrel. The adapter comprises a first end adapted to be removably connected to a drill spindle and a second end adapted to be removably connected to the drill barrel. The drill barrel includ... | 06/21/2005 |
| 6641467 | Power tool A power tool (2) includes a motor (22) pivotally mounted within the housing of the tool. The tool is able to accept any one of a plurality of attachment members (44, 46, 48).... | 11/04/2003 |
| 6338705 | Apparatus for machining caliper blocks and brackets of motorcar disk brakes A machining head (36) is drivable along a vertical axis and two horizontal axes with respect to a workpiece held on a workpiece-holding device, and has, at progressively lower levels along said vertical axis, one or two high-speed spindles (44), one or tw... | 01/15/2002 |
| 6145178 | Milling machine with horizontal and vertical spindles A machine tool comprises a base with an upstanding column, a vertical spindle axis tool driving unit symmetrically located and vertically movable on the front of the column, a frontwards oriented horizontal spindle axis tool driving unit symmetrically loc... | 11/14/2000 |
| 5603590 | Multispindle thread cutter apparatus A multispindle thread cutter apparatus is proposed, which has a drive shaft (3) to be driven by motor and which has a plurality of work spindles (4). Interposed between the drive shaft (4) and the work spindles (4) is a distributor and reversing gear (33)... | 02/18/1997 |
| 5400492 | Pipe treating method and apparatus A device and method for removing a branch fitting from a tapped hole in a main water distribution pipeline under pressure includes a water-tight housing adapted to fit on to the pipeline over the fitting. A cutter is provided within the housing to sever t... | 03/28/1995 |
| 5368538 | Method of and apparatus for machining structural shapes A boring apparatus provided with feed and discharge roller conveyors for drilling holes in heavy steel structural shapes can be constructed so that at least one boring unit is transformable into a milling unit, the computer being programmed with a milling... | 11/29/1994 |
| 5075954 | Automatic drilling machine An automatic drilling apparatus is provided for performing a drilling operation (such as routing) on a block. The drilling apparatus includes a track on which the block can travel. The track includes a receiving area adjacent to a first end of the track, ... | 12/31/1991 |
| 5046232 | Working apparatus having a plurality of working heads A working apparatus comprises a plurality of working heads for processing a piece of work, a device for moving the work, first control means, and second control means. The first control means is adapted for controlling the moving device and a designated w... | 09/10/1991 |
| 5004381 | Drilling machine for planar face and/or end face drilling on panel-type workpieces or panel blanks A drilling machine for planar face and/or end face drilling on panel-type workpieces or panel blanks which offers advantageous machining possibilities is described. Associated with the drilling machine on its operating side opposite the workpiece advancin... | 04/02/1991 |
| 4945958 | Automatic processing head replacement device in wood working machine An automatic processing head replacement device for a NC type wood working machine in which a rack is provided on one of beams, a carriage is mounted on rails another beam, a slide block is mounted on rails on the other beam, the carriage and slide block ... | 08/07/1990 |
| 4656727 | Tool mounting and demounting device for changing tools of a drilling machine A tool mounting and demounting assembly for a drilling machine includes a cylindrical support mounted on a rotatable drill shaft into which a tool holder can be inserted. The tool holder has a groove which is engagable by a hook of a tongue mounted on the... | 04/14/1987 |
| 4347660 | Quick change drill assembly machine A method and machine for making a quick change drill assembly that can be snapped into and out of a spring-loaded ball-locking chuck. The assemblies are comprised of standard sized adapters having various sized bores to receive drills having shanks of cor... | 09/07/1982 |
| 4000954 | Automatic tool changing apparatus for drilling machines and the like An automatic tool changing apparatus incorporated in a drilling machine or the like comprises a plurality of collets, each for supporting and selectively grasping a tool holder mechanism. Each of the collets is slotted in its upper and central portions to... | 01/04/1977 |
| 3973863 | Drill changing device This invention provides a drill changing device for a drilling machine in which a collar is provided on the shank of a drill at a predetermined location relative to the tip of the drill, the collar being frictionally gripped by a split sleeve so that the ... | 08/10/1976 |
| 3954347 | Drilling machine An improved drilling machine for cutting holes for knobs and latches in metal-clad doors comprises a supporting framework for the door and a hollow drill arranged to be moved upward from the underside of the door to cut the knob opening. The drill is holl... | 05/04/1976 |
