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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 |
| 7322535 | Faucet spray head A faucet spray head for attachment to a faucet spout includes a spout adapter configured for attachment to the faucet spout. The spout adaptor has a body defining an interior chamber. The interior chamber has at least one exit passage. A spray head mechanism is rota... | 01/29/2008 |
| 7320442 | On-off shower head An on-off shower head, comprising an outer enclosure and a jet opening and closing device, further comprising water conveyance means arranged within the enclosure and adapted to prevent any contact of the water with the enclosure. ... | 01/22/2008 |
| 7267728 | System and method for cleaning and/or treating vehicles and the surfaces of other objects The present invention relates to a system and method for cleaning and/or treating a surface, preferably surfaces such as ceramic, steel, plastic, glass and/or painted surfaces such as the exterior surface of a vehicle. The system and method utilize a cleaning compos... | 09/11/2007 |
| 7188786 | Hose-end sprayer assembly A hose-end sprayer assembly connectable to at least one container of product to be dispensed has an elongated housing for a venturi tube assembly rotatable about its central axis and devised to selectively open and close a product inlet opening as well as its associ... | 03/13/2007 |
| 7185529 | Shower station testing assembly for pressure testing plumbing The present invention provides a testing assembly for pressure testing a plumbing system in a building where the building has a shower station with a drain and a shower inlet. The testing assembly includes a drain adapter, a hose fitting on the shower inlet, and a h... | 03/06/2007 |
| 7178740 | Pressure washer system and method of operating same A system and method for injecting a low-pressure spray of solution into a high-pressure spray of liquid produced by a pressure washing system. The system comprises a liquid storage tank for the solution that is operable to be pressurized. The system comprises a wand... | 02/20/2007 |
| 7147172 | Personal decontamination apparatus and method A personal decontamination apparatus includes an adapter valve attachable to a water source for mixing water with a concentrated decontamination fluid for rapid detoxifying washing of the skin of a user exposed to toxic chemical, biological or nuclear radioactive su... | 12/12/2006 |
| 7124962 | Sprayer for cleaning exterior surfaces A sprayer is disclosed that may be attached to a garden hose for cleaning exterior surfaces such as windows. By turning a flow selector in a single direction tap water from the hose first flows through the sprayer to rinse the surface to be cleaned. The flow selecto... | 10/24/2006 |
| 7118049 | Hose-end sprayer assembly A hose-end sprayer has a selectively rotatable rotary valve received within the transverse bore of a housing which includes a carrier liquid inlet passage, a chemical liquid inlet passage and a discharge passage. The valve has a carrier liquid duct and a chemical li... | 10/10/2006 |
| 7104467 | Dispensing apparatus with coding means A liquid flow restrictor in the supply line of an eductor or other dilution or dispensing device has a rotatably mounted disc with opposite faces and a plurality of apertures or holes, which provide different flow restrictions between the faces, and a pair of flow c... | 09/12/2006 |
| 7051955 | Sprayer system A chemical sprayer system includes a three-way valve that includes an inlet port coupled to a fluid source, a first outlet port in fluid communication with a first elongated fluid passage, a second outlet port in fluid communication with a second elongated fluid pas... | 05/30/2006 |
| 7021571 | Spray device with flat fan nozzle The present invention relates to a portable device for spraying a liquid at low pressure, said device comprising a spray arm (220), and characterized in that the spray arm comprises at least one flat fan spray nozzle (230). Preferably, the liquid is a ... | 04/04/2006 |
| 6994271 | Automated chemical application system and method An automated chemical application system for automating the application of a chemical to a target. In a first embodiment, an automated chemical application system connects to and interacts with an individual's existing sprinkler system. The automated chemical applic... | 02/07/2006 |
| 6948666 | Filtering apparatus A filtering apparatus for use with threaded nipples or sprinkling cans having dispensing spouts and a base and cap. The base has a neck and head. The neck features an upper end and a lower end wherein the lower end is fittable to the dispensing end of a sprinkling c... | 09/27/2005 |
| 6598802 | Effervescent liquid fine mist apparatus and method An apparatus for creating a fine liquid mist includes a container capable of holding fluid; one of a perforated basket and a porous bag disposed in the container; a liquid supply connector connected to the container; a mixing chamber connected to the cont... | 07/29/2003 |
| 6378789 | Combination spray apparatus A combination spray apparatus which allows for the selection of several different flowable materials to be sprayed from a single unit and at the site of the unit itself. In the preferred manner, the spray apparatus includes a trigger nozzle as well as the... | 04/30/2002 |
| 6260772 | Dispensing and rinsing gun The present device relates to a dispensing and rinsing gun (100) for use with a hose member (209 and 210) to dispense either a diluted product or water through the same dispensing and rinsing gun (100) without having to attach different nozzles. A selecto... | 07/17/2001 |
| 6233756 | Triple head shower system An assembly for dispensing condensed liquids, powders, soap bars or soap chips into shower water being sprayed onto a user, by way of a triple shower spray and dispensing reservoir. The assembly is connected to water outlet supply in wall of bathing enclo... | 05/22/2001 |
| 6131831 | Portable automobile undercarriage washer An improved portable automobile undercarriage washing/cleaning device consisting of an ovoid, bowl-like body portion on the top surface of which is centered a detachable water spray nozzle and an accompanying nearby small tube, which itself connects the i... | 10/17/2000 |
| 6116521 | Sprinkler head for diluted medical fluid A sprinkler head for scattering diluted medical fluid, such as fluid fertilizer and nutritive agents, on cultivated vegetables comprising a main body connected at one end to a sprinkler head and at another end to a faucet supplying water. The main body in... | 09/12/2000 |
| 6006374 | Showerhead attachment and method for generating aromas A showerhead attachment is used for generating aromas. The showerhead attachment holds an aroma containing material such as a gelatin type capsule to be intermixed with a portion of the running water and discharged through a discharge orifice. The showerh... | 12/28/1999 |
| 5957387 | Hydraulic nozzle used especially as a shower attachment, with sprayer comprising a chamber for mixing toilet products in tablet form with water Nozzle (10) for showers with a sprayer (30) comprising a mixing chamber (51) in which is placed a soluble toilet product in tablet form (80), replaceable, said chamber being connected to said nozzle (10) by a pair of threads on the sides which, on rotatin... | 09/28/1999 |
| 5850973 | Double barrel sprayer for selective spraying of water or diluted product and use thereof A double barrel sprayer for applying a diluted product such as a diluted cleaning solution to a surface for cleaning thereof and rinsing the diluted product from the surface by spraying a water-only rinse onto the surface. The sprayer can include an inser... | 12/22/1998 |
| 5842645 | Device for generating foam in a shower The device is used to generate foam and is installed between a conventional shower head and the corresponding water pipe. The device features a foam generator that uses air, water and a foaming liquid to generate foam inside a chamber located in the body ... | 12/01/1998 |
| 5595345 | Double barrel sprayer for selective spraying of water or diluted product and use thereof A double barrel sprayer for applying a diluted product such as a diluted cleaning solution to a surface for cleaning thereof and rinsing the diluted product from the surface by spraying a water-only rinse onto the surface. The sprayer can include a force-... | 01/21/1997 |
| 5425589 | Car washer A two-piece tool inter-connected by a flexible soap water tube (12) which will perform a quick and clean car wash, void of soap film or streaks. The user simply rinses off the loose dirt and cools down the hot metal surface of a section of the car with on... | 06/20/1995 |
| 5312040 | Non-clogging slurry nozzle apparatus and method The present invention relates generally to a non-clogging slurry nozzle apparatus and method for avoiding blockages in slurry nozzles associated with the jetting of mixtures of soluble and/or insoluble abrasives and high pressure fluids. The apparatus inv... | 05/17/1994 |
| 4956883 | Shower fixture Apparatus is disclosed for dispensing liquid soap into or adjacent to a water stream emitted from a primary shower head mounted to a water line of a selected size. The apparatus has an auxiliary shower head from which a branch line extends of a size small... | 09/18/1990 |
| 4911704 | Medicated hygienic device Apparatus attached to a shower head for cleansing parts of the body with a stream of medicated liquid. The apparatus includes a control valve assembly between the water supply pipe and the shower head and a flexible hose having one end connected to the co... | 03/27/1990 |
| 4838457 | Lotion blending and dispensing unit A lotion blending and dispensing unit is disclosed herein for internally combining and then discharging a composite lotion or solution which includes a cylindrical housing having a storage chamber for enclosing at least a pair of lotion containers removab... | 06/13/1989 |
| 4467964 | Automatic mixing device for use in a shower head A mixing device is disclosed for the purpose of mixing a first fluid with a second fluid contained in a pressurized stream. The device includes a first fluid chamber for holding the first fluid, which includes a closure surface, an inlet, and an outlet, a... | 08/28/1984 |
| 4341350 | Chemical injection system for high pressure washers The present invention relates to an improved immediate action chemical injection system for selectively adding a chemical solution to the high velocity water spray discharged by a high pressure water washer. A common supply conduit has an inlet end adapta... | 07/27/1982 |
| 4289276 | Improved apparatus for cleaning vehicles Improved apparatus for cleaning vehicles includes three water lines each having a pump and a pressure regulator therein. A liquid container is connected to each line upstream of the pump, for adding liquid to the line, by a dosage metering device and a sh... | 09/15/1981 |
