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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 |
| 7727341 | Cylinder head gasket A gasket system is described and depicting having a gasket located between and sealing a cylinder head and a cylinder block. The gasket has a first metal layer and a second metal layer adjacent said first metal layer. The second metal layer has a bead region and a s... | 06/01/2010 |
| 7726662 | Stopped-active type cylinder head gasket An embodiment provides a MLS gasket that includes a metal body portion having an external periphery, an upper body surface generally defining a first plane. At least one cylinder aperture formed in the metal body portion and defined by an inner aperture surface. The... | 06/01/2010 |
| 7726000 | Method of securing first and second splined members together A method is provided for securing first and second splined members together, such as a midship tube shaft to an end fitting in a driveshaft assembly, to prevent relative axial movement from occurring therebetween. Initially, a first splined member is provided that i... | 06/01/2010 |
| 7677229 | Adaptive oil separator An oil mist separator has a pressure regulator valve which is located in the blow-by line downstream of the oil mist separator element in the flow direction of the gas. The pressure regulator valve has a bias so that it opens above a specified pressure difference be... | 03/16/2010 |
| RE41101 | Method for securing a yoke to a tube using magnetic pulse welding techniques A magnetic pulse welding operation is performed to secure first and second metallic components together, such as a yoke and a driveshaft tube in a vehicular driveshaft assembly. The yoke includes a first portion, such as a body portion, and a second portion, such as... | 02/09/2010 |
| 7655339 | Molded fuel cell plates with seals A fuel cell unit incorporates a pair of plates; one plate an anode, the other a cathode. Respective anode and cathode plates are physically bonded together to form such pairs; wherein pluralities of the pairs are secured together to form commercially available fuel ... | 02/02/2010 |
| 7591164 | Method of manufacturing a splined member for use in a driveshaft assembly A method of manufacturing a splined member avoids the generation of waste material and minimizes the amount of dimensional inaccuracies. A hollow cylindrical workpiece is initially provided from a material having a relatively high elongation characteristic. The mate... | 09/22/2009 |
| 7578060 | Method of manufacturing a vehicle frame assembly A vehicular frame assembly is manufactured by initially providing a vehicular frame assembly that is formed from a plurality of structural members, each having an inherent torsional rigidity. Then, a desired inherent torsional rigidity can be determined for at least... | 08/25/2009 |
| 7559556 | MLS gasket compression limiter An embodiment provides a MLS gasket that includes a metal layer having an external periphery, an upper surface generally defining a first plane, and a lower surface generally defining a second plane. The first and second planes define a layer thickness therebetween.... | 07/14/2009 |
| 7534048 | Center bearing assembly for rotatably supporting a shaft at varying angles relative to a support surface A center bearing assembly for rotatably supporting a shaft at varying angles relative to a support surface includes a bearing and a bearing support member that supports the bearing. The bearing support member has a curved outer surface. A bracket is provided for sup... | 05/19/2009 |
| 7523654 | Method and apparatus for evaluating NVH characteristics of mechanical systems A method and apparatus for evaluating NVH characteristics of a mechanical system including a torque-transmitting assembly having drive and driven members drivingly engaging each other. The torque-transmitting assembly is characterized by transmission error between t... | 04/28/2009 |
| 7514819 | Semiconductor switch assembly for pulse power apparatus A capacitor-type pulse power apparatus for generating an electric current power pulse through an electrical load, comprises a charging power supply and at least one pulse power supply module. The pulse power supply module includes at least one capacitor for storing ... | 04/07/2009 |
| 7500788 | Center bearing assembly having an adjustable pneumatic support member A center bearing assembly has an adjustable pneumatic support member for absorbing vibrations. The bearing assembly includes a bearing and a support member assembly that supports the bearing. The support member assembly includes a bladder having an interior chamber ... | 03/10/2009 |
