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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 |
| 7654725 | Degassing of flowable masses in a multiple-screw extruder The invention relates to a multiple-screw extruder that comprises a first process chamber (1) and a second process chamber (2). In the degassing zones of said extruder, at least the first process chamber is provided with at least one degassing opening.... | 02/02/2010 |
| 7600308 | Method for making a drainage element Drainage elements are made by delivering loose fill elements under gravity from a container into a sleeve of netting that is tied at one end to a pipe, or other endless element, that is passing through the container. The sleeve of netting is supplied from an apertur... | 10/13/2009 |
| 7588391 | Drainage element The preassembled drainage element is made with a water permeable membrane sleeve that has slits placed in the peripheral portion of the sleeve that is to form the bottom of the drainage element. The aggregate is post-expandable after fabrication of the drainage elem... | 09/15/2009 |
| 7588173 | Hanger with metal hook and indicator block The top portion of a filiform metal hook of a hanger is provided with an eyelet and the indicator block is provided with a protuberance that fits into the eyelet to secure the indicator block on the hook. In one embodiment, the indicator block has two hingedly conne... | 09/15/2009 |
| 7568324 | Cushioned package and method of making The package is made of cardboard with one or more plastic envelopes laminated to at least the side walls of the package. The envelopes are inflated from without the carton via a hollow needle that passes through a side wall of the package and a glue spot adhering th... | 08/04/2009 |
| 7540476 | Valve for a contact tray The valve for a contract tray employs an aperture in a deck that is of rectangular or trapezoidal shape with upstanding walls at the sides of the aperture. The valve body is disposed in the aperture with a cover above the aperture and legs that extend downwardly to ... | 06/02/2009 |
| 6761706 | Needle guard A plastic needle guard is mounted on a hub in which a needle is secured. In order to cover the end of the needle, the needle guard is slid manually off the hub and over the end of the needle to position the needle end within the guard. A washer that is loosely mount... | 07/13/2004 |
| 7513271 | Fluid inlet device for an apparatus The fluid inlet device for a column includes an inflow stub and a deflection unit. The deflection unit includes an input zone with a plurality of inlet passages of constant cross-sections that merge into diffuser-like passages formed by curved guide lamellae. The cu... | 04/07/2009 |
| D581473 | Blade head for a golf putter | 11/25/2008 |
| 7438464 | Static mixer with polymorphic structure The static mixer has a polymorphic structure that can be used for mixing or homogenizing a fluid medium. The mixer has at least two sections arranged in a tube one after the other in the longitudinal direction. Baffles of the first section that are effective to prom... | 10/21/2008 |
| 7434794 | Mass transfer method using static packings The use of a cross-passage packing made of a metal fabric relates to a method in which an exchange of material and/or of heat is carried out between a liquid stream and a gas or vapour stream. The fabric packing (1) used is composed of vertical layers (11â... | 10/14/2008 |
| 7419333 | Drainage element The machine for making the drainage elements employs a forming collar about the delivery chute for the aggregate so as to form a continuously supplied strip of netting into a tube to receive the aggregate. The machine may be run on an automatic basis without a need ... | 09/02/2008 |
| 7383978 | Blank and method for forming a novelty product A single blank is provided with four removable sections which are sub-divided by lines of weakening and fold lines. The blank is foldable along a longitudinal line and transverse line to form the four sections into a four layer product. Upon removable from the blank... | 06/10/2008 |
| 7380359 | Indicator block and support A hanger is provided with a web with an internally disposed tab for movement in the plane of the web between a first position and a second position. A size indicator that is mounted on the web has a pair of walls disposed on opposite sides of the web and a bridge th... | 06/03/2008 |
| 7374647 | Arrangement of an electrode, method for making same, and use thereof A device of an electrode is disclosed, comprising a core and a surface coating of electrically-conductive material, and it is characterized by that the surface coating comprises one or several layers with a pore-free surface, each with a thickness of 0.005 mm to 0.0... | 05/20/2008 |
| 7357004 | Flexible linkage for jewelry and method of making A jewelry article optionally with one or more gemstones, includes one or more hollow core segments with at least one bore in a side wall, and optionally an element interconnected with the one or more of the segments formed by a flexible linkage. A segment may includ... | 04/15/2008 |
| 7347886 | Method for introducing additives into fluids The method introduces additives into flowing gas, fluid or fluidized media in a pulsed high pressure manner. The nozzle needle of at least one nozzle is variable and highly precisely moved for the introduction by means of a device and in such a way that additive is ... | 03/25/2008 |
| 7322740 | Static mixer for a curing mixed product The static mixer is used for a curing mixed product of flowable components that react to form a solidifying mass on mixing. The mixer has mixing chambers that are arranged behind one another and next to one another along a tube axis. Each mixing chamber is delineate... | 01/29/2008 |
| D559000 | Outdoor chair | 01/08/2008 |
| 7316503 | Static mixer The static mixer for a low viscosity fluid contains inbuilt devices effective for mixing, which are arranged in a pipe or in a container conducting the fluid. The inbuilt devices include structure elements in the form of flat, folded or curved sheet metal-like flow ... | 01/08/2008 |
| 7316562 | Method and system to ignite inflammable fluids A method is described for igniting discharges of inflammable fluids, such as gases which are discharged in a flare, where an ignition pellet is set in motion towards the fluid discharge along a conducting body and made to detonate in or near the fluid discharge, so ... | 01/08/2008 |
| 7306643 | Method for introducing additives to liquid metal, ceramic/metallic powder The method introduces additives into a flowing melt or fluidized metallic/ceramic powder media in a pulsed high pressure manner. The nozzle needle of at least one nozzle is variable and highly precisely moved for the introduction by means of a device and in such a w... | 12/11/2007 |
| D550950 | Cast umbrella base | 09/18/2007 |
| D533407 | Food serving plate with diamond pattern rim | 12/12/2006 |
| 7040802 | Static mixer for high-viscosity media employing arcuate segments for mounting in a sleeve The static mixer for a high-viscosity flowing fluid includes mixing elements which are made as monoliths and sleeve elements in the form of tube pieces by means of which the mixing elements are positioned as well as a housing into which the sleeve elements are inser... | 05/09/2006 |
| 7004934 | Closed system connector assembly A male adaptor is provided with a nose for penetrating into a housing of the female connector. A septum is disposed over the nose of the male adaptor to maintain a seal with the female connector during coupling and uncoupling. Upon coupling, the septum dilates to al... | 02/28/2006 |
| 6948746 | Security seal and lock with enhanced bore sleeve One end of a stranded steel cable is attached to a cast zinc seal housing having a chamber in which a steel sleeve with a tapered bore is positioned. The sleeve in one embodiment is fixed to the housing in the chamber or may be displaceable and captured in the chamb... | 09/27/2005 |
| 6942035 | Method and apparatus for retrieving equipment from a well A method for the retrieval of an object from a well (16) with a tool (30) is described, in which the object, by lowering of the tool (30), is directed into a lower inlet section (40) to a hollow holding area (46) in the tool (30... | 09/13/2005 |
| 6938298 | Mobile cleaning robot for floors A mobile robot is described for random movement across a surface where a drive unit is arranged inside a top-hat. Cleaning equipment such as electrostatic dusters or equipment for vacuuming can be fixed to the top-hat so that the mobile robot functions as a cleaning... | 09/06/2005 |
| 6902640 | Method for manufacturing a belt The objective of the present invention is to provide a method and apparatus for manufacturing an intermediate transfer belt and a fixing belt with high quality used in copying machines, printers and the like. An unvulcanized rubber is formed into a sheet and ... | 06/07/2005 |
| 6877565 | Arrangement for the removal of cuttings and gas arising from drilling operations An end piece arrangement is mounted on an end of a pipe sleeve to close off the annular passage between the pipe sleeve and drill stem and to divert an upward flow of sludge, cuttings and gas into a conduit system to transport the flow to a remote location. In one e... | 04/12/2005 |
| 6871871 | Air bag inflator The air bag inflator is particularly useful for mounting in a steering wheel of a vehicle for inflating an air bag. A magnetic control unit is disposed concentrically of an injection piston through which liquid propellant is injected from a liquid propellant chamber... | 03/29/2005 |
| 6866171 | Method for introducing additives A method introduces additives into flowing or fluidised media. The spatially predetermined position of the additives in the flowing material, also called fluid bed, is obtained by controlling the pulsating injection, The introduction and exact dosing of additives, t... | 03/15/2005 |
| 6857818 | Drainage element for walls and septic tank systems A drainage element is constructed of loose fill elements within a container of mesh construction. The loose fill elements are disposed in unconnected relation to each other so as to be able to migrate within the container. The openings of the mesh container allow wa... | 02/22/2005 |
| 6837999 | Process for dewatering of sludge A process is described for dewatering a water-containing material by mixing sphagnum plants into the material as a structural element, and that the mixture thereafter is subjected to a drying process. By mixing sphagnum plant into to such water-contain... | 01/04/2005 |
| 6830699 | Process and means to prevent microorganisms blooming in an aquatic system A method and a device for the restriction of blooms of micro-organisms in an aqueous system are described. A smaller portion of the body of water in the system is subjected to a radiation treatment, preferably a UV-treatment, whereupon the treated quantity of water ... | 12/14/2004 |
| 6830293 | Seat pad for outdoor furniture The seat pad as a free-standing structure which provides a seat and back. A pair of contoured rigid bars are enclosed within opposite sides of a fabric sleeve to shape the sleeve into a seat and back. In addition, a web of densified padding is disposed between the b... | 12/14/2004 |
| 6786002 | Floatable device The floatable planter is employed in a body of water, such as a fish pond, in order to prevent the growth of algae. The planter employs an aquatic pot for receiving a plant, a peat pot having a planting medium for receiving the aquatic pot, a floatation ring about t... | 09/07/2004 |
| D492522 | Cast table top | 07/06/2004 |
