...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 7392956 | Rotary sprinkler with arc adjustment guide and flow-through shaft A rotary sprinkler having an adjustable arc segment whose angular extent and absolute direction relative to the ground are represented by an arc indicator, which arc indicator may comprise a band whose visible length represents the angular extent and whose position ... | 07/01/2008 |
| 7320443 | Airless atomizing nozzle An airless atomizing nozzle comprises a tubular body including a bore having an inlet and an outlet; a cylindrical member including a face and a cylindrical delivery channel secured at the outlet, the delivery channel having substantially uniform diameter; and a pin... | 01/22/2008 |
| 7255291 | Multifunctional sprinkler structure A multifunctional sprinkler structure comprises a water motor having an outlet seat and a top cover mounted to a top-end side, and two adjusting seats and a water supply seat assembled onto a bottom-end side. The bottom-end side of the water motor has a guide groove... | 08/14/2007 |
| 7226003 | Rotary drive sprinkler with flow control and shut off valve in nozzle housing A flow shut off or throttling valve is provided in a sprinkler nozzle housing to enable a nozzle to be changed without having to turn off a flow pressure source. The valve intersects a flow path through the nozzle housing and has an opening such that when the openin... | 06/05/2007 |
| 7210640 | Fuel injector spray alteration through a moveable tip sleeve An apparatus and method for multi-mode fuel injection is disclosed. A sleeve is disposed about a fuel injector tip movable between a first and second position and wherein the sleeve is capable of impinging the fuel spray as it enters into the combustion chamber. By ... | 05/01/2007 |
| 7184862 | Turret targeting system and method for a fire fighting vehicle A turret control system and method for a fire fighting vehicle is disclosed. The turret control system includes one or more control modules, such as an envelope control module, turret targeting module, a turret pan module, a turret deploy module, a turret store modu... | 02/27/2007 |
| 7077632 | Blower having a blower tube incorporating a reduction device for reducing the clear flow cross section of said blower tube at idle operation A blower (1) has a housing (10) to which a blower pipe (2) may be removably connected. An internal combustion engine located within the housing (10) drives a blower wheel. The blower wheel, in turn, generates an air flow (11) withi... | 07/18/2006 |
| 6938838 | Nozzle and aspirator with nozzle The present invention provides a nozzle capable of easily removing an aspiration object (residual solidified object) and an aspirator equipped with such a nozzle. This nozzle is connected to the aspirator and is used to aspirate the aspiration object. The nozzle com... | 09/06/2005 |
| 6722588 | Fog nozzle with jeweled orifice A pin jet nozzle for providing an evaporative fog in evaporative cooling systems or the like has a body member with an internal bore for receiving fluid under pressure, and an orifice receiving chamber integrally formed in the upper surface of the body member. The o... | 04/20/2004 |
| 6702205 | Apparatus for redirecting flow of water exiting a fire hydrant support Apparatus for redirecting flow of water exiting a fire hydrant support includes a flange connector for releasably connecting the flange connector to a flange of the fire hydrant support, a handle connected to the flange connector for positioning the flang... | 03/09/2004 |
| 6631859 | Energy efficient showerhead A showerhead with an internal valve to control the flow of fluid between a full flow and reduced flow condition so as to save energy and thereby conserve the supply of water. The showerhead includes an internal valve that operates easily between an off po... | 10/14/2003 |
| 6564834 | Load distribution deflector A deflector assembly located within the interior of a trailer for distributing dry bulk during loading of the dry bulk into the interior of the trailer. The deflector assembly comprises a deflector and an air cylinder. The deflector has a deflecting surfa... | 05/20/2003 |
| 6408900 | Load distribution deflector A deflector assembly located within the interior of a trailer for distributing dry bulk during loading of the dry bulk into the interior of the trailer. The deflector assembly comprises a deflector having a deflecting surface. The deflector has an opened ... | 06/25/2002 |
| 6328030 | Nebulizer for ventilation system A nebulizer assembly for engagement in a ventilator circuit is provided in which the nebulizer can be used, maintained and serviced without breaking the ventilation circuit or causing turbulence in the system or loss of pressure. The assembly includes a c... | 12/11/2001 |
| 6179228 | Water fountain spray modifier A water fountain spray modifier for use in combination with a pond aerator to modify the water fountain spray pattern generated by the pond aerator. The water fountain spray modifier includes a support arm pivotally mounted between a pair of brackets moun... | 01/30/2001 |
| 6148743 | Air nozzle for a furnace An air nozzle for introducing secondary air into a furnace and including a housing provided with an inlet at one end thereof for receiving air and an outlet at the other end thereof for discharging the air. A damper is disposed in the housing in the path ... | 11/21/2000 |
| 6045059 | Nozzle flush cap A sprinkler having an output orifice through which water operatively flows, includes a flush cap adapted for movement relative to the output orifice from a free position wherein the cap is disengaged from the sprinkler, to a locked position wherein the ca... | 04/04/2000 |
| 6027050 | Injection valve in particular for directly injecting fuel into the combustion chamber of an internal combustion engine An injector, in particular for injecting fuel directly into a combustion chamber of an internal combustion engine, having a fuel flow path from a fuel intake to a spray orifice, a plurality of fuel channels being arranged in the flow path in front of the ... | 02/22/2000 |
| 5858096 | Application unit for the direct or indirect application of a liquid or pasty medium onto a moving material web The invention relates to an application unit for the direct or indirect application of a liquid or pasty medium (12) onto a moving material web, in particular consisting of paper or board, comprising a dosing gap formed as a free jet nozzle, the dosing ga... | 01/12/1999 |
| 5848752 | Foam aeration nozzle This disclosure relates to an improved foam aeration nozzle comprising a peripheral jet nozzle, a spray collector which receives the jet and produces a fully filled spray, and an aeration device which agitates and aerates the spray and produces the foam. ... | 12/15/1998 |
| 5833142 | Fuel injector nozzles An injector nozzle has a body having a nozzle through which fuel is delivered. The nozzle includes a port having an internal surface and a valve member having a complementary external surface. The valve member is movable relative to the port to respective... | 11/10/1998 |
| 5609276 | Adjustable spray dispensing closure for containers There is disclosed a closure device (1) for attachment to the neck (2) of a container (3). The device has inner (4) and outer (5) coaxial parts movable one relative to the other and each has an exit orifice for the flow of fluid therethrough. The flow of ... | 03/11/1997 |
| 5553786 | Low volume irrigation device for horticulture and agriculture crops A spray and drip irrigation device connectable to a low volume irrigation tube comprises a lower member connected to the irrigation tube and formed with an exterior thread along a part of its outer surface along which an upper member threadedly moves to s... | 09/10/1996 |
| 5335859 | Low-volume irrigation emitter with changeable patterns An improved irrigation system for low-volume flow to individual plants or trees is presented. The system involves a detachable irrigation emitter with a flow deflector. In addition, an easily interchangeable dual flow pattern adapter is presented that can... | 08/09/1994 |
| 5234169 | Removable sprinkler nozzle An improved sprinkler comprises a nozzle body having a nozzle received in a recessed seat provided in a peripheral wall of the nozzle body. The nozzle body has a rotatable upper cover. A cam surface is formed on the cover and extends down into engagement ... | 08/10/1993 |
| 5127578 | Dust cleaning apparatus for cleaning cathode ray tubes A dust cleaning nozzle for cleaning a cathode ray tube comprises a pipe with an axially extending hollow part, and an ejecting angle changing mechanism attached to one end of the pipe. The nozzle, after insertion through the neck of the cathode ray tube, ... | 07/07/1992 |
| 5098021 | Oscillatable nozzle sprinkler with integrated adjustable arc and flow An oscillatable nozzle sprinkler has a primary valve for controlling flow through a nozzle in a nozzle housing. An arc set control sets a desired angle of oscillation of the nozzle housing. An integrated system is set forth so that when a desired angle of... | 03/24/1992 |
| 4944460 | Multifunction nozzle A multifunction nozzle including a peripheral jet nozzle having a first end adapted to be connected to a liquid supply and a second end from which the jet is ejected. The liquid may be plain water or a mixture of water and a foam concentrate. The peripher... | 07/31/1990 |
| 4836449 | Sprinkler unit with stream deflector A sprinkler unit having a continuously rotating nozzle includes a stream interruptor comprising a pin mounted on a carriage pivotally mounted on the nozzle and a cam surrounding the nozzle that has a series of cam surfaces for intermittently caming the ca... | 06/06/1989 |
| 4836450 | Sprinkler unit with alternating stream interruptor A reversible sprinkler unit includes a stream interruptor that includes a finger that moves into the stream for interrupting it on one direction of rotation of the nozzle and moves out of the stream on the other direction of rotation of the nozzle.... | 06/06/1989 |
| 4813606 | Pulsating sprayer An oscillating sprayer for spraying water on surrounding areas including a cylindrical main body and a support for rotatably supporting a lower part of the main body. An inclined nozzle extends radially outwardly and upwardly from the main body and an adj... | 03/21/1989 |
| 4735361 | Jet deflecting sprinkler head A fluid dispersing apparatus suitable for use as a sprinkler in water irrigation applications whereby a jet of fluid is reflected from one or more rigid surfaces to preserve fluid particle speed. The reflecting surfaces are shaped to provide a variable bu... | 04/05/1988 |
| 4569485 | Mist emitter A variable precipitation rate mist emitter (10) is disclosed. The emitter includes an emitter head (14) having an inlet opening (19), an outlet opening (26), a deflector disc (28) spaced from the opening for redirecting the water flowing from the outlet o... | 02/11/1986 |
| 4535846 | Fire fighting turret Turret for moving a fire fighting nozzle in an oscillation mode and in an elevation selecting movement. The turret having a separate controllable double-acting pneumatic cylinder for each movement, operated by pressured air.... | 08/20/1985 |
| 4494699 | Adjustable spray nozzle A spray nozzle has an elongate tubular housing through which a gas-borne flow of liquid is ducted to a discharge opening that is formed in an end wall of the housing. The discharge opening is defined by the juncture of a transversely-extending, substantia... | 01/22/1985 |
| 4114811 | Spray dispenser with easily actuable mouthpiece A spray dispenser for dispensing a spray of a liquid material has a cylindrical container with a nozzle adjacent one end thereof directed generally at a right angle to the longitudinal axis of the container. A mouthpiece of resilient material is pivotally... | 09/19/1978 |
| 4097722 | Hair blower with orifice control A selectively adjustable air deflecting damper is provided in the air exhaust barrel of an electrically heated hand-held hair drier for adjusting the area of the air discharge orifice and concomitantly the air velocity of the heated air discharge. The dam... | 06/27/1978 |
| 4050631 | Jet engine nozzle for controlling the direction of thrust A nozzle assembly for use with a jet engine for controlling the direction of the discharged fluid and hence the direction of thrust is disclosed. The nozzle housing and an internally mounted bifurcation structure are arranged to divide the exhaust fluid f... | 09/27/1977 |