Did You Know...
...that several people are credited with the invention of the flush toilet? Most people have heard of Thomas Crapper (1837-1910), the sanitary engineer who invented the valve-and-siphon arrangement that made the modern toilet possible. Another claimant to "the throne" was British inventor Alexander Cumming who patented a toilet in 1775. Then there's a nameless Minoan (a native of ancient Crete) who lived 4,000 years ago who supposedly was ahead of his time and created the first flush toilet!
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| Number | Title | Issue Date |
| 7406903 | Sawing machine A sawing machine includes a base, a worktable tiltable relative to the base, a tilt control mechanism coupled between the base and the worktable for tilting the worktable relative to the base, and a tilt angle indicator for indicating a tilt angle of the worktable. ... | 08/05/2008 |
| 7354210 | Label printer A cutting edge of a movable blade mounted to a cutter holder is inclined at an oblique cross angle. The cutting edge of the movable blade obliquely intersects a roll sheet placed on a cutter plate in its cutting direction. This ensures that the cutting edge cuts the... | 04/08/2008 |
| 7121179 | Angle indicator for miter saw An angle indicator includes a wheel, a spring member and a rope. The angle indicator is used in a miter saw, which has a worktable, a swivel arm swivelably mounted to the worktable, and a saw blade rotatably mounted to the swivel arm, for indicating a bevel angle of... | 10/17/2006 |
| 7080583 | Method and apparatus for presetting specimens in a cutting device In microtomes or ultramicrotomes, it is necessary to preset the specimen (14) onto the knife (16). In order to facilitate and automate this presetting operation, which is intended to guarantee the fastest and most accurate possible positioning of the k... | 07/25/2006 |
| 6979153 | Deep-grooving insert having stepped cutting edge A deep-grooving chip-forming cutting insert includes a rear mounting portion, a front cutting portion, and a pair of side walls, each side wall extending along the front and rear portions. The front cutting portion includes a front end surface, a top surface, and a ... | 12/27/2005 |
| 6792691 | Gage for milled blade ring segments A gage assembly for measuring a distance d from an end edge of a blade segment to a center location of a groove formed in the segment comprising a gage body having at least two reference surfaces adapted to engage edges of the segment; a dial indicator gage having a... | 09/21/2004 |
| 6576531 | Method for cutting semiconductor wafers Improperly mounted wafer saw blades can damage wafers cut or diced with the blades. Embodiments of this invention employ sensors to measure a distance to the blade to help indicate if the blade is improperly mounted. In one method of the invention, the di... | 06/10/2003 |
| 6532679 | Fixture for a table saw A self-adjusting accessory for a table saw that includes a guide for sliding in the guide groove of the work supporting table of a table saw and which is biased against the edge of the guide groove which is closest to the cutting blade. The guide bar is u... | 03/18/2003 |
| 6195905 | Method of verifying the straightness of the arbor of the table saw A self-adjusting accessory for a table saw that includes a guide for sliding in the guide groove of the work supporting table of a table saw and which is biased against the edge of the guide groove which is closest to the cutting blade. The guide bar is u... | 03/06/2001 |
| 5947173 | Cutting apparatus for wood or the like A cutting apparatus that performs cutting operations without being held by an operator and that is applicable to various cutting operations in addition to forming a biscuit groove. The cutting apparatus comprises a first base portion having a mount surfac... | 09/07/1999 |
| 5927357 | Portable wood planing machine An improved portable wood planing machine for the surface planing of wooden planks or boards is provided. In an exemplary embodiment, the planing machine includes a carriage assembly locking mechanism for locking the carriage assembly relative to a plural... | 07/27/1999 |
| 5735054 | Fixture for a table saw A self-adjusting accessory for a table saw that includes a guide for sliding in the guide groove of the work supporting table of a table saw and which is biased against the edge of the guide groove which is closest to the cutting blade. The guide bar is u... | 04/07/1998 |
| 5207007 | Set-up tool A set-up tool is provided for use with a working tool, such as a power saw, that works near a surface (18) having a miter slot. The set-up tool includes a dial indicator (6) and mounting members (2, 4) which mount the dial indicator in a measuring positio... | 05/04/1993 |
| 5079874 | Process for controlling an automatic machine for cleaning castings An automatic grinding machine for cleaning castings, including a machine stand, supporting mutually adjustable clamping or holding devices for processing a casting, and further including a tool holder, on which a grinding and/or cutting-off disk is adjust... | 01/14/1992 |
| 5062332 | Cutting machine for cutting flat workpieces A cutting machine for cutting a flat workpiece comprises a cutting table having a working surface for supporting the flat workpiece, a support movable parallel to the working surface, and a cutting unit mounted on the support above the working surface, th... | 11/05/1991 |
| 4971021 | Apparatus for cutting semiconductor crystal An apparatus for cutting a semiconductor crystal ingot into wafers includes a rotary blade, a first sensor, a second sensor and a computing unit. The blade is of a generally disk shape having a mark put thereon. The first sensor is stationarily located in... | 11/20/1990 |
| 4867023 | Mat bevel cutting machine A mat cutting machine utilizes a trolley which runs smoothly and accurately along a shaft mounted upon the clamping bar assembly. Means is provided for precisely adjusting the relationship between the bevel cutting blade and the edge of the clamping bar, ... | 09/19/1989 |
| 4498345 | Method for measuring saw blade flexure A system for measuring the flexure of a saw blade in situ includes in one embodiment a non-contact displacement sensor and means for directing a fluid flow at the blade adjacent the sensor. The deflection of the blade by the fluid flow is detected by the ... | 02/12/1985 |
| 4158977 | Mat cutter using supported razor blade A mat cutter employing a razor blade and providing protection against the blade's bending towards either of its sides. The cutter, used for preparing mats for photographs and other art objects, has a base upon which it sits and a section which slopes upwa... | 06/26/1979 |
