Did You Know...
...that when IBM conducted a market study of Chester Carlson's invention in 1959, the company concluded that it would take only 5000 units of his new product to saturate the market? IBM therefore declined to be part of the new product introduction. Too bad for IBM. Carlson's invention was the xerography process, and his new product was the beginning of the Xerox Corporation. It is estimated that every day, worldwide, 3,000,000,000 copies are made!!
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| Number | Title | Issue Date |
| 7188689 | Variable gauge drilling apparatus and method of assembly therefor A variable gauge drilling apparatus and a method for assembling a variable gauge drilling apparatus for insertion in a subject borehole. The variable gauge drilling apparatus includes: an apparatus housing having a housing size which is suitable for insertion in a s... | 03/13/2007 |
| 7084782 | Drill string telemetry system and method A telemetry system and method for communicating information axially along a drill string comprised of a drive train supported within a housing. The system includes an axial conducting loop formed by the drill string for conducting an axial electrical signal embodyin... | 08/01/2006 |
| 6948572 | Command method for a steerable rotary drilling device In a drilling system of the type comprising a rotatable drilling string, a drilling string communication system and a drilling direction control device connected with the drilling string, a method is provided for issuing one or more commands to the drilling directio... | 09/27/2005 |
| 6899174 | Floating instrument insert for a tool An instrument insert for a tool of the type comprising an inner member extending within an outer member, the inner and outer members being capable of relative longitudinal movement. The insert includes a first insert portion comprising a first instrument component o... | 05/31/2005 |
| 6769499 | Drilling direction control device A drilling shaft deflection assembly for a drilling direction control device of the type comprising a rotatable drilling shaft and a housing for supporting a length of the drilling shaft for rotation therein. The deflection assembly is contained within the housing a... | 08/03/2004 |
| 6712366 | Seal assembly for limiting the movement of a seal within a seal housing An improvement in a seal assembly of the type including a seal element retained by a seal housing, where one of the seal element and the seal housing is constructed from a compressible material, where the seal element includes a seal engagement surface and where the... | 03/30/2004 |
| 6640909 | Steerable rotary drilling device A fulcrum bearing assembly for rotatably supporting a shaft within a housing, including at least one row of spherical thrust bearings positioned at a first axial position within the housing, at least one row of spherical thrust bearings positioned at a se... | 11/04/2003 |
| 6554541 | Method and device adapted for use in the placing of a suction anchor with an attached anchor chain or similar on the ocean bed A method and a device for use in the placing of a suction anchor (1) with an attached anchor chain (2) on the ocean bed. The suction anchor (1) and the anchor chain (2) are to be lowered separately to the ocean bed, and be connected at the ocean bed witho... | 04/29/2003 |
| 6402206 | Fitting for plastic tubing A plastic fitting for plastic tubing is disclosed. The plastic fitting comprises a main body (10) having a tip sleeve (16) at one end of and an externally threaded portion (14) at the other end thereof, a cylindrical cap nut (20, 52, 64) threadedly attach... | 06/11/2002 |
| 6402433 | Tensionable mine roof bolt A tensionable mine roof bolt is constructed of multi-strand steel cable. The head end of the bolt is formed of an outer sleeve that is externally threaded at least part of the way from the end, in order to accept a conventional tension nut. The cable bolt... | 06/11/2002 |
| 6295918 | Suspended diaphragm A diaphragm (10) for a fluid pump, accumulator, pressure regulator, or similar device comprises two major components: (1) a central body portion (12) having a first degree of flexibility; and (2) a peripheral portion (14) having a second degree of flexibi... | 10/02/2001 |
| 6244361 | Steerable rotary drilling device and directional drilling method A drilling direction control device, improvements in drilling direction control devices, methods for orienting a rotary driling system, and methods for rotary drilling. The drilling direction control device includes a rotatable drilling shaft, a housing f... | 06/12/2001 |
| 5230589 | Mine roof bolt An improved mine roof bolt is constructed of pre-tensioned, multi-strand steel cable. The bolt head is constructed of a hexagonal-or other drive-headed collar having an internally tapered frusto-conical bore therethrough, and a tapered plug having a frust... | 07/27/1993 |
| 4773535 | Portable tool case A portable tool case has at least two canvas panels attached together. Each panel includes at least one, and preferably a plurality of, tool holding pockets, each pocket for holding a single tool. In one embodiment, two panels are hingedly attached togeth... | 09/27/1988 |
| 4759402 | Modular construction for radiant panel Individual elongated radiant heat panel modules are secured together along their side edges to form a panel; and a plurality of transverse spaced-apart stiffeners are connected at a plurality of connection sites across the panel back to stiffen the panel ... | 07/26/1988 |
| 4730254 | Drill string make-up and breakout torque control system and apparatus A system and apparatus for the monitoring and control of torque applied during make-up and breakout of drill string components. The force applied by the cat head to the tong is measured by a hydraulic load cell and the horizontal and vertical angles betwe... | 03/08/1988 |
| 4719506 | Method for predictably determining halftone dot sizes when altering color in a color separation process prior to scanning A process for color correcting an original color transparency in making individual plates for color printing comprises the steps of directing light through the transparency, adjusting the relative color densities of the primary color components (yellow, m... | 01/12/1988 |
| 4638588 | Fish attracting device A fish attracting device is adapted to be submerged into the water below a fisherman's boat or the boat dock. The device has a central section comprising a perforated hollow container for retaining fish bait therein in a manner to permit the fish bait to ... | 01/27/1987 |
| 4634074 | Spinning type fishing reel with line untwisting capability This spinning type fishing reel includes a spool for carrying a coil of fishing line, a rotor which can be rotated in a forwards rotational direction for winding fishing line onto the spool, and a means for rotationally coupling the rotor to the spool, wh... | 01/06/1987 |
| 4617942 | Chaff spreading apparatus A chaff spreading apparatus is adapted to be functionally mounted to conventional combine threshing machines in a manner to perform a secondary chopping and spreading of straw and chaff exiting the rear of the threshing machine that somehow bypass the thr... | 10/21/1986 |
| 4546932 | Spinning type fishing reel with selectably clicking or non-clicking ratchet mechanism This spinning type fishing reel includes a main body with a handle shaft and a spool cup shaft driven therefrom rotatably supported in it. A ratchet is mounted on the spool cup shaft, and a pawl is biased towards the ratchet so as, when pressed thereagain... | 10/15/1985 |
| 4535953 | Spinning type fishing reel with axially adjustable spool A spinning type fishing reel, including a spool shaft, a spool mounted on the spool shaft so as to be rotationally fixed with respect thereto and so as to be axially movable with respect thereto, and an adjustment member mounted on the spool shaft so as t... | 08/20/1985 |
| 4514791 | Lamp ribbon A lamp ribbon is made of a number of lamp units fixed to a belt construction. The belt construction is made of an upper belt layer and a lower belt layer, each generally formed as a strip and made of a flexible electrically insulating material, which are ... | 04/30/1985 |
| 4455116 | Drill pipe handling and storage apparatus A drill pipe carousel is pivotal within a drilling mast between retracted and operating positions. The carousel contains a plurality of drill pipe receptacles for holding sections of drill pipe. Each of these drill pipe receptacles includes an upper and l... | 06/19/1984 |
| 4392391 | Multispeed reversible power shift transmission A multispeed constant mesh gear transmission includes an input shaft together with first, second and third intermediate shafts arranged in a diamond or cruciform configuration together with an output shaft having an axis of rotation lying in a plane inclu... | 07/12/1983 |
| 4380111 | Cutting, stripping and wrapping bit A combination bit for cutting and stripping insulation from a solid flexible conductor wire and wrapping a stripped end portion of the wire on a terminal in a series of helical convolutions includes a cooperable sleeve having a wall portion forming a guid... | 04/19/1983 |
| 4378163 | Output coupling for concrete mixer transmission One end of a rotatable mixer drum is journalled by a spherical bearing mounted on the housing of a power transmission having its rotary output coupled to the drum by a drive shaft which axially penetrates the bearing. Arcuate splines at opposite ends of t... | 03/29/1983 |
| 4294427 | Mono-seat gate valve A single valve element disc and seat gate valve has an in-line flow passage therethrough. The valve seat plane is inclined approximately 5° from the valve stem. First and second cam surfaces are positioned outside the flow passage, and are inclined appro... | 10/13/1981 |
