William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 7377451 | Jet dispersing device A jet dispersing device includes a high pressure region having a flow inlet and a low pressure region having a flow outlet. A partition wall is positioned within the high pressure region such that the high pressure region is partitioned from the low pressure region.... | 05/27/2008 |
| 7281673 | Multi-pattern spray nozzle assembly with movable water conduit A multi-pattern spray nozzle assembly includes a movable internal water conduit that may be in the form of a rotary member. The movable water conduit is movable between a plurality of spray stations on a spray head, each spray station capable of generating a differe... | 10/16/2007 |
| 7232081 | Spray nozzle with adjustable ARC spray elevation angle and flow An adjustable spray nozzle with adjustable arc of coverage as well as spray elevation angle and flow rate. A very simple adjustable arc of coverage spray nozzle configuration is also disclosed which may be easily assembled for a particular precipitation rate and/or ... | 06/19/2007 |
| 7159797 | Spray head A spray head for discharging fluid includes a turret assembly in which a nozzle carrier is rotatable relative to a housing about an axis, and a plurality of nozzles mounted on the carrier radially outward from the axis. The carrier is mounted for linear movement rel... | 01/09/2007 |
| 7028927 | Flowrate control device, in particular for medical use The invention concerns a device comprising two components connected to each other with possible displacement of one component relative to the other, sealing means arranged between said two components, and flow rate adjusting means actuated by displacement of one com... | 04/18/2006 |
| 6983747 | Aerosol generator The invention relates to an aerosol generator that comprises an oscillating membrane that is provided with openings. The aerosol generator is further characterized in that the liquid container is impinged upon with negative pressure by displacing a sealing element u... | 01/10/2006 |
| 6758413 | Sprinkler An improved sprinkler includes a spray nozzle, an adjusting sleeve, a barrel set and a hose connector. The barrel set has a barrel to control water discharge of a first water outlet. The adjusting sleeve can control water discharge of a second water outlet. By contr... | 07/06/2004 |
| 6659372 | Shower head Shower heads are disclosed providing for varying types of spray. One spray head provides three different spray patterns, each of which provides spray through outlets at different force levels.... | 12/09/2003 |
| 6607148 | Shower head Shower heads are disclosed providing for varying types of spray. One spray head permits two different spray patterns with one of the patterns optionally being pulsed or unpulsed. Another provides three different spray patterns, with two of the patterns ha... | 08/19/2003 |
| 6547166 | Pattern adjustable flow nozzle A pattern adjustable flow nozzle which maintains a constant fluid flow rate is disclosed. The flow nozzle is comprised of two parts, an inner tubular body and an outer tubular sleeve, rotatable one on the other. Orifices are disposed on the output end of ... | 04/15/2003 |
| 6533194 | Shower head Shower heads are disclosed providing for varying types of spray. One spray head provides three different spray patterns, with two of the patterns having pulsing impellers which can pulse at different speeds from each other.... | 03/18/2003 |
| 6398134 | Turret mounted nozzles for pressure washer wand A turret assembly for mounting a plurality of spray nozzles on a pressure washer wand to facilitate changing the spray pattern. A female quick connect connector is mounted on the fluid discharge end of the wand to extend on an axis. Each nozzle is provide... | 06/04/2002 |
| 6286767 | Pistol Nozzle A pistol nozzle is provided with a water outlet which is connected with a head seat which is in turn fastened with a water emission cover having a plurality of emission holes of various forms, meshes, and full flow holes. The water emission cover is provi... | 09/11/2001 |
| 6224000 | Sprinkler nozzle A sprinkler nozzle has a housing with an inlet discharge; a separator having multiple holes arranged in circle in the face, a central hole defined to correspond to a blind hole defined in a pole in the housing, a notch defined to have multiple ribs formed... | 05/01/2001 |
| 5934573 | Measuring dispenser-spreader and method The dispenser dispenses and spreads measured quantities of granular materials over a relatively wide area. A plurality of individual measurement chambers are distributed throughout a disc or rectilinear panel which is moved relative to other discs or pane... | 08/10/1999 |
| 5899384 | Nozzle with jet hole for cleaning A nozzle, preferably a nozzle for a spray pipe, designed and arranged for cleaning whilst in operation, comprising a nozzle body (2), in which there is disposed a tightly fitting turnable body (1) having an orifice (9) for shaping a fluid jet and wherein ... | 05/04/1999 |
| 5749518 | Adjustable multi-pattern miniature fountain sprinkler An adjustable multi-pattern miniature fountain sprinkler including a base, adjusting mechanisms, and a cover. The base is connected to a water duct disposed at a bottom side thereof. A plurality of water holes are formed in the bottom side of the base. Th... | 05/12/1998 |
| 5609047 | Garment steaming device with safety nozzle A portable garment steaming device for use in the home which emits steam through a retractable nozzle plate of a safety nozzle assembly which when retracted prevents against accidental touching of the hot nozzle plate. The garment steaming device also inc... | 03/11/1997 |
| 5582742 | Rotary distribution pipe assembly For a filtering-type centrifuge, a pipe assembly composed of a stationary outer pipe with a concentric rotatable inner pipe. The outer pipe has a longitudinally extending distribution port, while the inner pipe has a helically shaped discharge port. The a... | 12/10/1996 |
| 5232131 | Fuel-dispensing nozzle for dispensing hydrocarbon fuel A hinged nozzle incorporates a valve for permitting or stopping the flow of a liquid wherein the valve is responsive to the movement of a portion of the nozzle. The nozzle includes a spring which provides a motivating force for rotating the portion of the... | 08/03/1993 |
| 5152447 | Hot gas jet device for installing and removing components with respect to a substrate and improved tip for use therewith A device for installing or removing a component with respect to a substrate utilizing hot gas jets or other hot gas flow to reflow solder associated with the component. The device includes an improved tip mounted with respect to a hot gas supply, the tip ... | 10/06/1992 |
| 4925097 | Misting system A misting head assembly including a cylindrical rotor having a chordal flat, a center post having a flow passage, a swivel arm having a tubular portion with a radial through opening mounted for swiveling about the rotor and a connecting portion. The swive... | 05/15/1990 |
| 4909443 | Water spraying nozzle A water spraying nozzle has a horizontal water spraying portion and a handle portion provided on a rear downward portion of the water spraying portion and inclined obliquely rearward. The water spraying portion has at its front portion a water spraying he... | 03/20/1990 |
| 4890792 | Nozzle assembly The nozzle assembly comprises a cap and a bushing for mounting to the front of the body of a trigger sprayer in communication with a passage in the trigger sprayer. The cap is mounted to said bushing and is rotatable on the bushing between three positions... | 01/02/1990 |
| 4865253 | Spraying equipment Spraying equipment, for example for herbicides, comprises a head for carrying a rotatable disc from which, in operation, fluid is delivered by centrifugal force. The head comprises a first cmponent (4) and a second component (2) which are relatively rotat... | 09/12/1989 |
| 4732328 | Inlet nozzle in particular for swimming pools The inlet nozzle suitable for swimming pools is constructed as a two-piece-spherical body. This is pivotally graduated on a seating ring and equipped with a continuous bore. One part of the spherical body is, with respect to the other, rotatable about the... | 03/22/1988 |
| 4712738 | Spraying equipment Spraying equipment, for example for herbicides, having a head for carrying a rotatable disc from which, in operation, fluid is delivered by centrifugal force. The head has a first component (4) and a second component (2) which are relatively rotatable abo... | 12/15/1987 |
| 4638951 | Adjustable powder spray nozzle An adjustable pattern powder spray nozzle assembly comprising a nozzle body having an axial powder flow passage extending therethrough and a pair of rotatable adjacent shafts extending across the powder flow passage. The shafts are in contact with each ot... | 01/27/1987 |
| 4579285 | Adjustable sprinkler system An adjustable orifice sprinkler unit includes a tubular body member with a rotatable cap mounted on one end thereof that cooperates with peripheral edges of the tubular body member for defining an adjustable arc spray orifice for adjusting a spray pattern... | 04/01/1986 |
| 4502640 | Multi-purpose spray gun A spray gun is disclosed intended alternatively for the application of plaster to walls, and the application of particulate finishing materials to the wet plaster. The gun has a hand held stock supporting a tubular housing, which receives at its front end... | 03/05/1985 |
| 4272025 | Water distribution system for an ice making device A water distribution system for spraying a plurality of fine streams of water in a relatively uniform manner onto an ice forming surface. A hollow spraying tube is rotationally and coaxially disposed in a shielding tube of larger diameter. The shielding t... | 06/09/1981 |
| 4234128 | Nozzle assembly An adjustable nozzle assembly for a hand operated compression sprayer is disclosed. The nozzle is attached to the discharge end of the sprayer and is adjustable from an off position to two discharge positions, such as a spray position and a stream positio... | 11/18/1980 |
| 4085895 | Adjustable spray device A simple, two-part adjustable spray device is disclosed, the device consisting of a tubular member within which is a cylindrical insert member. At its inner end, the insert member includes a chamber in selective communication with both the inlet portion o... | 04/25/1978 |
| 4020982 | Rotary shut-off nozzle A multiple purpose nozzle includes a tubular member having a bore and communicating passage network therethrough and through which material to be dispensed is adapted to pass. An adjustable cap is coupled with the tubular member having an orifice in the e... | 05/03/1977 |
| 3967765 | Multiple purpose nozzle A nozzle located at the discharge end of a container includes a tubular member and a cap thereon. The tubular member has a passage in communication with the container interior for passage therethrough of the container contents to be dispensed. The cap is ... | 07/06/1976 |