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 |
| 8398379 | Chemical liquid supplying apparatus A chemical liquid supplying apparatus which can discharge chemical liquid with high accuracy is provided. The apparatus is used to discharge the chemical liquid in a chemical liquid tank from an application nozzle. The apparatus has a combined member formed integral... | 03/19/2013 |
| 8355237 | Ion generator A maintenance operation of an ion generator can be easily performed. A device main body has an inner case and an outer case, and the inner case having a support block and an air supply pipe is inserted into the outer case. An opposite electrode is detachably mounted... | 01/15/2013 |
| 8347779 | Rotary actuator In cylinder chambers 14 and 15 of a housing 10 constituting an actuator main body 13, racks 17 and 18, to both end portions of which piston portions 17a and 18a are provided, are reciprocably inco... | 01/08/2013 |
| 8342301 | Shock absorber A shock absorber is attached coaxially with a reciprocating rod driven by a reciprocating unit to prevent a bending moment from being applied to the reciprocating rod in absorbing an impact force. The shock absorber has a hollow rod provided with a through hole and ... | 01/01/2013 |
| 8226813 | Method of purifying water and apparatus therefor A method of purifying cooling water which requires the lowest maintenance and management cost without the need for a cumbersome cleaning operation for removing scale in an electrolytic purifying vessel by taking out the electrodes from the electrolytic purifying ves... | 07/24/2012 |
| 8181756 | Shock absorber A shock absorber is attached coaxially with a reciprocating rod driven by a reciprocating unit to prevent a bending moment from being applied to the reciprocating rod in absorbing an impact force. The shock absorber has a hollow rod and an outer cylindrical body mou... | 05/22/2012 |
| 8172554 | Chemical liquid supplying apparatus In a chemical liquid supplying apparatus, discharge accuracy of chemical liquid is enhanced, and durability of a flexible tube is enhanced. By the flexible tube incorporated into a pump housing, an interior of the pump housing is partitioned into a pump chamber, whi... | 05/08/2012 |
| 8146900 | Positioning and clamping apparatus A positioning and clamping apparatus, capable of positioning and clamping a panel material and removing the panel material from a locating pin under a state of releasing the clamping, is provided. A base having a contact surface contacting with the panel material is... | 04/03/2012 |
| 8133042 | Chemical liquid supplying apparatus and pump assembly A chemical liquid supplying apparatus, which can discharge chemical liquid with high precision, is provided. A pump assembly is detachably mounted in a pump case in which liquid inflow and discharge ports are formed. The pump assembly includes: a cylindrical body in... | 03/13/2012 |
| 8132801 | Positioning and clamping apparatus A positioning and clamping apparatus clamps a panel material by moving a clamp arm to a clamping position while the panel material positioned by a locating pin is supported by a workpiece supporting face of a workpiece support. An extruding member having a plurality... | 03/13/2012 |
| 8087910 | Chemical liquid supplying apparatus A chemical liquid supplying apparatus 10 has a bellows 11, which includes a small-size bellows portion 13, a large-size bellows portion 14 with a larger volume change per axial-directional unit displacement amount than that of the small-s... | 01/03/2012 |
| 8061379 | Manifold solenoid valve A plurality of valve assemblies are provided to a base, and an air-supply flow path for supplying compressed air to each valve assembly is formed in the base. A main flow path communicating with the air-supply flow path and communicating with a pilot air-supply flow... | 11/22/2011 |
| 8047814 | Chemical liquid supplying apparatus A chemical liquid supplying apparatus which can discharge chemical liquid with high accuracy is provided. The apparatus is used to discharge the chemical liquid in a chemical liquid tank from an application nozzle. The apparatus has a combined member formed integral... | 11/01/2011 |
| 8047105 | Machining tool and machining method A machining tool of the present invention is used for finishing an end face having an arcuate cross section on a machined portion of a workpiece. A machining tool 30 has a tool body 31 and a cutting portion 32 provided integrally on a tip of the... | 11/01/2011 |
| 8035948 | Static eliminator and electric discharge module This static eliminator is used for eliminating static electricity from an object by ionizing the air to be blown to a charged object, and has a case 12 body provided with an air blow duct 15 for blowing out an ionized air, and an electric discharge mod... | 10/11/2011 |
| 8033297 | Solenoid valve manifold Attaching/detaching workability of a fitting block to/from an solenoid valve assembly is improved, and a fixing strength of the fitting block to the solenoid valve assembly is enhanced. The fitting block 41 is intended to be detachably mounted to the solenoid... | 10/11/2011 |
| 7954445 | Pressure state indicator A pressure state indicator indicates whether or not positive pressure fluid or negative pressure fluid is supplied to a fluid path. A fluid guide member 17 is constituted of a joint main body 11 in which a fluid path 12 is formed and a partition... | 06/07/2011 |
| 7901620 | Method and device for cleaning circulation water The object of the invention is to provide a method for cleaning circulation water, which reduces the cost of operation and maintenance as much as possible, without a cumbersome cleaning operation such as by detaching electrode plates from an electrolysis cleaning ta... | 03/08/2011 |
| 7887305 | Flexible tank and a chemical liquid supply apparatus using the same A flexible tank has a volume-variable chamber formed so as to be sectioned by a flexible tube that is expanded or contracted in accordance with the amount of the contained chemical liquid, and adaptor parts attached to the flexible tube. A primary-side port open to ... | 02/15/2011 |
| 7878375 | Chemical liquid supply device A chemical liquid supply device applies chemical liquid from a nozzle to a processed object. The nozzle is provided in a moving head, which reciprocates between an applying position and a waiting position and includes an application valve operating so as to take an ... | 02/01/2011 |
| 7871250 | Chemical liquid supplying apparatus A chemical liquid supplying apparatus can discharge chemical liquid with high accuracy and monitor a leakage of an incompressible medium from a region between a piston and a cylinder. A pump has a flexible tube for partitioning a pump chamber and a drive chamber, an... | 01/18/2011 |
| 7841842 | Chemical liquid supplying apparatus A chemical liquid supplying apparatus capable of discharging chemical liquid with high accuracy and monitoring a leakage of an incompressible medium from a region between a piston and a cylinder is provided. A pump has a flexible tube for partitioning a pump chamber... | 11/30/2010 |
| 7806668 | Flexible tube for supplying chemical liquid A flexible tube 20 has an inlet side fixed end 21, and an outlet side fixed end 22, and an elastic deformation portion 23 is provided between them. The elastic deformation portion 23 is provided with convex arc portions 42. ... | 10/05/2010 |
| 7695023 | Vacuum feeding joint A rotating table provided with a determined gap Db and serving as a rotating body is rotatably mounted on a fixed base. Seal-member accommodating spaces serving as annular grooves are partitioned and formed in a fixed surface. Annular seal members are disposed in th... | 04/13/2010 |
| 7669515 | Magnet type rodless cylinder A pair of cylinder holes 10 are formed in a cylinder tube 2 in the axial direction, a slit 25 is formed between these cylinder holes, and an iron plate 22 is inserted in the slit covering the whole range of the movement of the pistons ... | 03/02/2010 |
| 7644648 | Magnet type rodless cylinder A pair of independent cylinder holes 3, 3 are formed in a cylinder tube 2 of a flat outer shape. When a pressurized fluid is alternately supplied into the cylinder tube 2 through a port 7 formed in an end cap 5, the internal pressu... | 01/12/2010 |
| 7594801 | Chemical liquid apparatus and deaerating method The amount of chemical liquids dispensed by a chemical liquid supply apparatus is stabilized and dispensing accuracy is remarkably improved. A pump discharges a liquid accommodated in a liquid tank. A filter is connected to the pump through a pump outlet flow path t... | 09/29/2009 |
| 7584946 | Electric positioning and clamping apparatus A small-sized electric positioning and clamping apparatus is provided. A panel material is supported on a workpiece supporting face and is positioned by a locating pin being fitted into a positioning hole. A clamp arm is accommodated in a slit formed in the locating... | 09/08/2009 |
| 7568423 | Magnet type rodless cylinder Repulsive magnetic forces in the axial direction of cylinder tubes act between the rows 11 of inner magnets of pistons 10, 10 accommodated in two cylinder tubes 2, 2, and the inner magnets 12 of the pistons 10 come to a halt being ... | 08/04/2009 |
| 7561403 | Static eliminator and electric discharge module A static eliminator capable of replacing a discharge needle and improving maintainability of the eliminator is disclosed. The static eliminator comprises: an air-guiding duct having a tubular portion provided with an outer electrode and a boss portion; and an electr... | 07/14/2009 |
| 7520714 | Handling apparatus A handling apparatus mounted on a moving member for holding, conveying, and installing a workpiece has a floating plate attached for radial movement to an apparatus body 10 connecting with the movable member, and a workpiece holding device for holding the workpiece ... | 04/21/2009 |
| 7493848 | Magnet type rodless cylinder A magnet type rodless cylinder provided with a slide magnetically coupled with a piston arranged in a cylinder tube and a slide able to move outside of the cylinder tube. The slide has a connection mount detachably attached to it. When attaching the connection mount... | 02/24/2009 |
| 7487708 | Fluid pressure cylinder The female screw (8a) is formed on the inner circumference of the forward side of the piston receiving hole (8) in the cylinder body (2) and the movable stopper (9) is screwed into the female screw (8a). The piston ( | 02/10/2009 |
| D583390 | Chemical liquid supplying pump | 12/23/2008 |
| 7464544 | Pressure device A reciprocating body 12 is reciprocably housed in a cylinder body 6, and a pressure rod 20 is reciprocably attached to this reciprocating body 12. A pressure end 20a of the pressure rod 20 protrudes from the cylinder ... | 12/16/2008 |
| 7452016 | Non-contact carrying device A non-contact carrying device 10 holds and carries a carried object W in front of a carrying head 12 without making the carried object contact with the carrying head 12. A gas supplying surface 18 in which an opening portion of a gas supp... | 11/18/2008 |
| 7444922 | Fastening assembly, fastener, and fluid pressure cylinder unit Each of two members to be fastened has a connecting surface, a communication groove opening on the connecting surface, and an engagement groove communicating with the communication groove and having an engagement surface parallel to the connecting surface. A fasteni... | 11/04/2008 |
| 7408562 | Ion generating apparatus A head 2 has a through hole 7 into which compressed air is supplied and flows, and a discharge electrode 11 is disposed inside the through hole 7. When a voltage required for discharging is applied to the head 2 made of a conductor... | 08/05/2008 |
| 7389968 | Proportional solenoid valve control device In a proportional solenoid valve control device, a mode selecting switch has an auto-mode position for sending a control signal from a level converting section to a driving signal amplifying section, a valve fully-closing manual position for supplying a valve fully-... | 06/24/2008 |
| 7380571 | Directional control valve A valve accommodating hole (11), and each of a supply port (20), discharge ports (21 and 22), and output ports (23 and 24) connected to the valve accommodating hole are formed in a valve casing (15), and a valve shaft... | 06/03/2008 |