Famous Patents
Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| 7954219 | Substrate holder assembly device A device for mounting and removing a substrate from a baseplate, in particular a substrate holder assembly device, including automated features for latching and unlatching a substrate, for use in a coating mechanism, from a baseplate, which includes an adjustable sn... | 06/07/2011 |
| 7287309 | Heavy duty clutch installation and removal tool A tool is provided for the safe, efficient installation and removal of clutch assemblies and other engine components on heavy trucks or other machines. A mounting bracket is bolted to the flywheel housing to hold the tool in place and provide support for lifting. Mo... | 10/30/2007 |
| 7243414 | Device for gripping and transferring a ring of electrical conductors which is used to produce a winding and a winding-production system employing one such device The invention relates to a device for gripping and transferring a ring of electrical conductors in the form of pins which are used to produce a winding, such as a pin winding. The gripping device (C) is designed to seize the ring from a first element, such as a ring... | 07/17/2007 |
| 6904655 | Helical drive insertion and ejection A helical drive system for seating and unseating a removable component, such as a printed circuit board, into a slot is described. The helical drive system includes a receptacle fixed to a housing proximate the slot. A handle and drive shaft are attached to the prin... | 06/14/2005 |
| 6865794 | Alignment tool, assembly tool and method for a poly-plane workpiece Tools and method for aligning a first polyhedral workpiece with a central axis and for joining the first workpiece with a second workpiece also aligned with the central axis. The aligning tool includes two sets of urging members offset from one another along the cen... | 03/15/2005 |
| 6584663 | Clutch installation apparatus A clutch installation apparatus for raising heavy clutch components facilitates mounting of the components to a bell housing. The clutch installation apparatus includes a mounting plate that is removably mountable to a bell housing. The plate has a pair o... | 07/01/2003 |
| 6481096 | Apparatus for assembling a three-dimensional structural component Three-dimensional large scale bodies such as jumbo aircraft fuselages (14) are assembled in body sections around a central longitudinal assembly core (1) which itself is mounted at its ends and accessible all around along its length. Robots carrying tools... | 11/19/2002 |
| 6467148 | Method of producing metal band of metal belt for belt-type continuously variable transmission A producing method of a metal band of a metal belt for a belt-type continuously variable transmission includes the following steps of: superposing a predetermined number of blank rings concentrically on one another to constitute a laminated blank rings; f... | 10/22/2002 |
| 6449848 | Flexible fixture method A flexible fixture system and method wherein a single fixture system can accommodate and hold a plurality of different workpieces, i.e. the various workpieces comprising the different flight surfaces of a wing. The flexible fixture system comprises a plur... | 09/17/2002 |
| 6434809 | Tooling component for camshaft removal and installation A kit for both removal of a camshaft from a cylinder block and for installation of a camshaft into a cylinder block includes a minimum of six unitary, molded plastic camshaft guides, an extraction tool, and a pilot to be attached to a rear face of the cam... | 08/20/2002 |
| 6408499 | Assembly platform system for ceiling fans An assembly platform for supporting the various parts and sub assemblies of a ceiling fan while other parts and sub-assemblies of the ceiling fan are attached prior to installing the ceiling fan. The assembly platform includes a round, cylinder shaped, op... | 06/25/2002 |
| 4984346 | Axle wedge removal tool assembly An axle wedge removal tool assembly is set forth utilizing an elongate body formed with a first through-extending bore of a first diameter terminating and removed from a second end with a counter bore threaded internally of a second diameter greater than ... | 01/15/1991 |
