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 |
| 7267021 | Starter having rear end cover A starter for cranking an internal combustion engine includes an electric motor for driving a pinion gear of the starter. The rear end of the electric motor is covered with a rear end frame having a bearing holder formed thereon. To protect the bearing holder from e... | 09/11/2007 |
| 7189023 | Rotational positioning apparatus A rotational positioning apparatus includes a fixed member having a first wear portion and a stopper portion; at least a positioning washer disposed on the first wear portion, the positioning washer is formed with a positioning portion to abut against the stopper po... | 03/13/2007 |
| 7107691 | Electric knife adapted for safely carving pumpkins and other fruits and vegetables According to one embodiment of the present invention, an electric knife is provided that includes a blade that is adapted to cut the pulp and shell of pumpkins and other fruits and vegetables but not readily cut the skin and flesh of humans. According to a preferred... | 09/19/2006 |
| 7040225 | Method for reducing vibrations in rotating components Undesirable bending vibrations in at least one rotating component are reduced. An undesirable vibration is counteracted by the use of at least one actuator. A required sequence of signals to be applied to the actuator and/or an intensity level of those signals is ba... | 05/09/2006 |
| 7017483 | Method and device for reducing vibrations in rotating components Undesirable bending vibrations in at least one rotating component are reduced. An undesirable vibration is counteracted by the use of at least one actuator. A required sequence of signals to be applied to the actuator and/or an intensity level of those signals is ba... | 03/28/2006 |
| 6860637 | Bearing arrangement A bearing arrangement for an articulatable support (6) comprises bearing assemblies (20/28, 22/29, 24/30 and 26/32). In one embodiment the assemblies comprise a ball (20, 22, 24, 26) and aperture (40 FIG. 2) having sliding c... | 03/01/2005 |
| 6793396 | Wiper housing and method for producing a wiper housing The invention concerns a wiper bearing housing having a bearing region (12) and at least one mounting element (14, 16), whereby at least one transitional region (18, 20) between the bearing region (12) and the mounting element (14, 16 | 09/21/2004 |
| 6457864 | Omni-directional high precision friction drive positioning stage A high precision friction drive positioning stage system is described. The friction drive positioning stage system uses three special actuation systems, each having a tip in contact with the stage and being capable of generating directional elliptical mot... | 10/01/2002 |
| 6394655 | Method and apparatus for influencing background noise of machines having rotating parts A method and a shaft bearing for influencing machine background noise emitted by at least by one rotating part of the machine, especially for influencing the background noise within a passenger compartment of a motor vehicle. The amplitudes and/or the fre... | 05/28/2002 |
| 6350061 | System for fixing and guiding a bearing on a frame This system for fixing and guiding a bearing (3) in a slot (5) in a frame (8) comprises elongate flat fixing members (14) extending straddle-fashion between the coplanar respective end faces of the respective uprights (6, 7) of the frame and of the said b... | 02/26/2002 |
| 6287008 | Device for adjusting a bearing block of a roller in a roller group The device allows a lateral bearing block of a roller in a roller group for supporting and moving an endless moved web to be adjusted. The endless web may be a traveling screen, conveyor belt or the like in papermaking plant. When the slide carrying the l... | 09/11/2001 |
| 6203202 | Method for monitoring and controlling the operation of rotary drums borne on sliding blocks and a sliding block bearing therefor In order to monitor the function of the sliding block bearing elements in view of the hydrostatically and/or hydrodynamically generated compressed oil film or, respectively, compressed oil cushion, given rotating drums seated on sliding blocks such as, fo... | 03/20/2001 |
| 5984527 | Oblong hole guide between two structural component parts An oblong hole guide is provided between two structural component parts of which the first, guiding structural component part has an oblong hole in which a guide bushing can glide in an adjustable manner transverse to its longitudinal axis, and which is f... | 11/16/1999 |
| 5887982 | Bearing assembly for use with a submerged apparatus and method for performing maintenance thereon The present bearing assembly is for use with a wastewater treatment apparatus which is driven by a drive shaft, e.g., cog rake bar screens, or water treatment apparatus, e.g., paddle wheels in flocculation mixing tanks, and submerged, partially submerged ... | 03/30/1999 |
| 5749659 | Bearing take-up apparatus utilizing conventional flange bearing A bearing take-up apparatus is adapted to utilize a bearing assembly having a conventional flange bearing housing. The apparatus includes a bearing carrier mounted for slidable movement between a pair of parallel guide rails. The bearing carrier may be fo... | 05/12/1998 |
| 5703334 | Load measuring device with a load cell and method for introducing a load into the load cell A load to be measured is transmitted to a load cell, such as a compression load cell, through a double piston, single cylinder load transmitter that has a pressure chamber between two pistons in the single cylinder. One piston bears against the load. The ... | 12/30/1997 |
| 5647673 | Plate-cylinder bearing arrangement Plate-cylinder bearing arrangement for a printing press having a plate cylinder and a rubber-blanket cylinder mounted on respective shafts, the plate cylinder and its shaft being displaceable, and a side-register adjusting device serving for position corr... | 07/15/1997 |
| 5397183 | Active bearing A mechanical bearing, the major advantage inherent in magnetic and other non-contact bearing designs, i.e., being active. The specific bearing disclosed is a tilt pad bearing having a structure which changes shape in a controlled manner in response to a c... | 03/14/1995 |
| 5261749 | Straw walker bearing Straw walker bearing having two bearing portions that are bolted together around a straw walker crank. The upper bearing portion is provided with mounting pads for mounting the straw walker pan to the bearing. Each bearing portion has a semi-cylindrical r... | 11/16/1993 |
| 5257866 | Bearing device for side register A bearing structure is provided for a linear adjusting device (15) for a cylinder such as, for example, a plate cylinder (3) of a printing press. A linear adjusting device has an outgoing linearly adjustable shaft (16) and is coupled to one of the journal... | 11/02/1993 |
| 5201586 | Arrangement for the dynamic compensation of eccentricities of solids of rotation A measuring element which senses the running of the solid of rotation is connected to the actual value input of a controller whose output signal is connected to a control element which acts upon a bearing which is adjustable perpendicularly to the axis.... | 04/13/1993 |
| 5145298 | High speed drill spindle A high speed spindle is provided which includes a rotor driven by an electric motor and provided with tapered journals received in tapered rubber bearings. Lubricating water flows to the bearings through metered openings in the journals, flowing from the ... | 09/08/1992 |
| 5098000 | Device for adjusting the azimuth position of a capstan in a magnetic tape apparatus The invention relates to a device for adjusting the azimuth position of a capstan in a magnetic-tape apparatus relative to a reference plane, comprising a bearing plate which supports a capstan bearing through which the capstan extends. The capstan bearin... | 03/24/1992 |
| 5000585 | Apparatus for bearing a shaft A shaft is borne in a standard by an intermediate member and a supporting bearing so that the shaft may follow without constraint lateral shifts of the supporting bearing by tilts about a plurality of small angles located in different planes. This effect ... | 03/19/1991 |
| 4971691 | Quick change sludge processor A sludge processor is provided which enables rapid disassembly and reassembly for changing between a sludge thickener configuration and a press configuration, and for enabling rapid disassembly for cleaning in the press configuration. The processor includ... | 11/20/1990 |
| 4957375 | Apparatus for guiding a shaft A shaft is guided axially with respect to position and clearance in a bearing flange. The guidance is adjustable by means of guiding pieces engaging a turned groove of the shaft. The groove has oblique conical sidewalls, and each guiding piece by radial a... | 09/18/1990 |
| 4932578 | Adjustable guide assembly for moving webs or fabrics An adjustable guide assembly for a moving web or fabric. The guide assembly includes a bearing housing adapted to receive a bearing carrying an axle journal of a web or fabric guide roll and a pair of bellows mounted on opposite sides of the bearing housi... | 06/12/1990 |
| 4867580 | Bearing take-up frame A bearing take-up apparatus is provided which allows easy removal of a bearing block supported by the bearing take up apparatus. Two slotted end walls extend from a base to support the threaded rod used with the bearing block and to prevent lateral moveme... | 09/19/1989 |
| 4726690 | Balancing machine bearing support In a method of supporting the bearing of a bearing support structure during balancing of a rotor, the bearing and the rotor journal in the bearing are permitted to rotate about the vertical, and transverse axes of the rotor journal. A spring arrangement i... | 02/23/1988 |
| 4725152 | Adjustable shaft support, and tape recorder with such a support A capstan or pressure roller shaft is journalled in a single one-piece elongated bearing member having a bearing surface sufficient to define radial position and inclination of the shaft. The bearing member is aligned with respect to a mounting support on... | 02/16/1988 |
| 4717267 | Arrangement in an adjustable roller bearing for lateral guidance of running webs An adjustable roller bearing for lateral guidance of travelling webs, e.g. a paper wire, comprises a bearing casing that is slidably mounted in a bearing foundation by the aid of members projecting diametrically from the bearing casing and bearing foundat... | 01/05/1988 |
| 4676670 | Bearing take-up frame A bearing take-up frame including a base assembly having a top plate permanently, pivotally secured thereto at one end and removeably secured thereto at an opposite end. A bearing block assembly is received between the base assembly and the top plate for ... | 06/30/1987 |
| 4643592 | Vibration limiting of rotating machinery through active control means Unwanted vibrations in rotating machinery are controlled from an "active" point of view, meaning, that certain parameters, and thereby vibrations, can be controlled while the machine is operating. This is accomplished from the theoretical knowledge known ... | 02/17/1987 |
| 4617514 | Disk and gear mounting in electric watthour meter A watthour meter frame for an electric watthour meter includes pairs of orthogonal machined plane surfaces against which bearings are urged for accurately positioning the ends of a disk shaft of an electric watthour meter. Clearances are provided in the w... | 10/14/1986 |
| 4568202 | Bearing arrangement for a boring head of a tunneling machine A bearing assembly for the shaft of a boring head for an excavating machine comprises four piston-and-cylinder units bridged between the bearing and a support ring and pivotally connected thereto, the units lying along sides of an imaginary parallelogram ... | 02/04/1986 |
| 4540062 | Rear wheel supporting system for motorcycle A rear wheel supporting system for a motorcycle wherein an end portion of a rear axle--which is supported by the rear end portions of a rear fork--on the side opposite to the side where a rear wheel driving means is disposed, is supported so as to be mova... | 09/10/1985 |
| 4530144 | Method for adjusting and retaining bearings on an axle The end of an axle spindle is provided with right hand and left hand threads to receive respective axle nuts. The inner nut thread diameter is larger than the outer nut thread diameter in order to avoid interference. The wheel, bearings and an inner nonro... | 07/23/1985 |
| 4466752 | Centering ring bearing element and process for centering of a shaft The invention refers to cylindrical bearings for guiding a shaft, such as for pumps, with each bearing element comprising a centering ring made of a material having a thermal expansion coefficient higher than that of the material of the shaft (for example... | 08/21/1984 |
| 4392751 | Damped bearing device A damped bearing for damping the vibration generated in a bearing supporting a rotary shaft and shaft system, by a fluid film damper and by a resilient bearing support. The damped bearing is characterized by having a means in the fluid film damper for adj... | 07/12/1983 |
| 4336969 | Journal bearing A journal bearing of printing machines for permitting compensation for misalignments between a trunnion and a sliding bushing by means of a flanged bearing sleeve. The flanged bearing sleeve is provided with a plurality of grooves each being in engagement... | 06/29/1982 |