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 |
| 5895235 | Process for manufacturing transponders of small dimensions A device, notably a transponder, comprising an electronic arrangement and a coating formed by an envelope defining a pocket and by a solidified binding in which is embedded the electronic arrangement. The envelope presents an opening having served for the... | 04/20/1999 |
| 5894319 | Exposure drum for a newspaper print-plate making apparatus An exposure drum (11) of a CTP newspaper plate-making apparatus has a width (W) which is slightly greater than a vertical measurement (L1) of one page of a newspaper, a circumference (L) which is slightly greater than a vertical measurement (L | 04/13/1999 |
| 5893989 | Laser machining device, in particular for machining track rods The laser device (2) includes a frontal housing (4) arranged to receive a laser beam (8) at its input opening (6). Within the frontal housing (4) are provided optical guiding devices for the incoming laser beam (8) which define optical paths (10, 12) lead... | 04/13/1999 |
| 5863358 | Steel alloy saw blade backing strip A steel alloy contains in weight-% 0.5-1.0 C, 1-2 Si, max 0.2 Mn, preferably max 0.001 S, 0.1-0.5 Cr, balance essentially only iron. In the form of a cold rolled, hardened and tempered strip it can be used as a backing material for band saw blades, frame ... | 01/26/1999 |
| 5847618 | Atomic maser with cylindrical sapphire storage bulb An atomic maser comprises a walled enclosure (76) defining a resonant cavity (4), and a storage bulb (8) for storing a medium capable of stimulated emission. The storage bulb is a sapphire cylinder (70) that is open at both ends and has two closure member... | 12/08/1998 |
| 5835456 | Timepiece including an electric power generator Timepiece including: a spring (1a) housed in said barrel (1), an electric power generator (2) coupled to said barrel (1), a rectifier circuit (4) connected to said generator, and a regulator circuit (6) supplied by the direct voltage (Ua) from the rectifier circuit... | 11/10/1998 |
| 5833978 | Method of in vitro preconditioning healthy donor's myoblasts before transplantation thereof in compatible patients suffering of recessive myopathies like muscular dystrophy, for improving transplantation success A method of pretreating healthy donor's myoblast cultures with growth or trophic factors like basic fibroblast growth factor (bFGF) on transplantation to subjects suffering of recessive myopathy like muscular dystrophy is disclosed and claimed. Recipient ... | 11/10/1998 |
| 5808828 | Installation intended for automatic recording and/or readout onto or from information carriers This installation includes an arrangement for filing information carriers (for example record library (DT) for compact discs) capable of actuation by a transfer arrangement (8) in order to place the carriers selectively into recording/reading apparatus (2... | 09/15/1998 |
| 5807793 | Laminates for printed circuits using unidirectional glass fabric A description is provided of laminates for printed circuits using unidirectional glass fabric produced with continuous yarn which is twisted, has a low number of twists or zero twisting turns with different gramme weights, interlaced warpwise with a leno ... | 09/15/1998 |
| 5790477 | Portable precision clock with additonal functions The portable precision watch, additionally to time-keeping functions, also comprises a GPS receiver with antenna, evaluation electronics, a compass, a destination coordinate memory, an input element and a display element. With the evaluation electronics t... | 08/04/1998 |
| 5785641 | Male indwelling urethral catheter sizing system and insertion method An indwelling urethral catheter sizing system comprises sets of substantially equal length indwelling urethral catheters (14) having various balloon spacings (a, b, c), from bladder balloons (2) to urethral anchoring cuff balloons (36). A method of implan... | 07/28/1998 |
| 5783995 | Doorknob assembly with intrusion alarm A doorknob system (10) with an intrusion alarm includes a separate U-shaped battery pack (24) having mounting apparatus for mounting the battery pack on an exterior surface of an interior cover plate (22), with interengaging cover-plate and battery pack t... | 07/21/1998 |
| 5781512 | Pocket and table watch with a suspension and support device A watch (1) whose case (3) comprises a groove (7) on its periphery is mounted in a removable manner in a suspension and support device consisting of two parts (11 and 12) attached by a hinge (13). The first part (11) has the shape of an resilient open rin... | 07/14/1998 |
| 5776525 | Continuous process for producing high protein foodstuff and an apparatus useful therein A process and an apparatus for continuously and efficiently producing high protein foodstuff such as cheese curd, by continuously sprinkling and pouring a protein solution such as cow's milk or soybean milk from above onto the water surface of a warm wate... | 07/07/1998 |
| 5775737 | Conduit vibration decoupling device A conduit vibration decoupling device, particularly for exhaust systems of internal combustion engines, comprises a pair of axially spaced conduit connecting members connected with each other by a flexible, bellows-type connecting element, and a force tra... | 07/07/1998 |
| 5774057 | Time measurement in a communications system, a communications system and a receiver for use in such a system A communications system includes apparatus for generating a succession of time message signals, a central station having a transmitter for transmitting the time message signals, at least a first receiver for receiving the time message signals and timer ci... | 06/30/1998 |
| 5773465 | Tartronic acids, their acetalic ethers and o-esters Tartronic acid acetalic ethers and esters of the general formula: ##STR1## are provided and are useful in treatment of bone dysmetabolism. As examples, Ra and Rb may be hydrogen, B is a C2 -C12 acyl group, R is phenyl and n is 0... | 06/30/1998 |
| 5773043 | Extruder and die assembly for extruding shaped food pieces An extruder for producing a food piece in a shape of a natural food piece. The extruder has a pressure vessel for containing a mash, a manifold communicating with the pressure vessel, and at least one die and cutter assembly communicating with the manifol... | 06/30/1998 |
| 5772041 | Method for recovering materials A method for recovering materials, in particular rejects or scraps of sheathed cables or wires, comprises introducing the parts into an enclosed space and placing them on a support provided with a drain, removing the oxygen from the enclosed space, raisin... | 06/30/1998 |
| 5768804 | Closure device for sports footwear, having an extendable rack element Closure device for sports footwear, especially for a ski boot. On one edge of a front opening of the boot, a series of levers is provided with their free end having a hook and tightening pin, while a corresponding series of rack elements 10 is provided on... | 06/23/1998 |
| 5761039 | Electrical load switch for a motor vehicle Electronic load switch has an electronic power switch and a control circuit mounted on a hybrid ceramic. Plug lugs are soldered directly to the hybrid ceramic to form a motor-vehicle-typical plug contact element which is engagement compatible with standar... | 06/02/1998 |
| 5747758 | Keyboard arrangement A scissor mount for a large, multi-contact key of a keyboard, prevents key tilt upon off-center actuation of the key. Such keys are often lifted from immovable portions of keyboards and then remounted in order to change contacts that are activated by the ... | 05/05/1998 |
| 5745025 | Snap-engaging apparatus for a rotable component A snap-engaging apparatus for use in a rotatable electrical component, particularly a rotatable switch or a rotatable resistor, makes it easier to find operational positions. The snap-engaging apparatus includes a rotor (3) which is formed as a hollow bod... | 04/28/1998 |
| 5744694 | Gelled compositions containing organic liquids Thickened or gelled compositions comprising an organic liquid, a crosslinked copolymer of an acrylic acid, a vinyl ester of trialkylacetic acids with highly branched structure containing up to 10 carbon atoms, a neutralizing base and, optionally, water ar... | 04/28/1998 |
| 5744127 | Derivatives of benzoxazole useful as UV filters Compounds of formula (I) ##STR1## wherein the groups are as defined in the description, are useful as sunscreens in cosmetics and in the stabilization of synthetic polymers.... | 04/28/1998 |
| 5742006 | Electric cell of the type comprising two parallel plates or substrates in particular made of plastic material separated from each other by a sealing frame An electric cell comprises first and second parallel flexible substrates, set apart from each other at a determined spacing, carrying electrodes on their opposing faces, the substrates enclosing between them a layer of sensitive material which can change ... | 04/21/1998 |
| 5738842 | Sun protecting cosmetic compositions comprising derivatives of dibenzoylmethane, of diphenylcyanoacrylic acid and of triazine Cosmetic compositions containing sunscreens against sun radiation ranging from 280 to 380 nm, and their use for the protection of the skin from UV radiation. The sunscreens comprise, with respect to the weight of the composition: a) from 1 to 10% of one o... | 04/14/1998 |
| 5735338 | Control device for a vehicle air-conditioning system An air conditioning unit for a vehicle is inserted between an inlet conduit (12), supplied with fresh air and/or recycled air, and the passenger space of the vehicle. The unit comprises a fan (16) which supplies two conduits placed parallel, of which one ... | 04/07/1998 |
