Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 8091800 | Drippers and pipe couplers A drip irrigation device for distributing a portion of the water flowing in an irrigation pipe to a plant, the device comprising: a housing formed from a relatively soft plastic; and a connector for coupling the housing to the irrigation pipe comprising a bayonet fo... | 01/10/2012 |
| 7438239 | Fire fighting piercing nozzle device A fire-fighting piercing nozzle device having two chambers for extinguishing and monitoring fires within a storage unit. The fire-fighting piercing nozzle device includes a dispensing system for dispensing fire-fighting materials onto a fire, a temperature measuring... | 10/21/2008 |
| 7350836 | Door security system A security system for constraining the degree to which a door leaf (11) may be opened; the system being selectively activated from an inoperative position in which it does not block the opening and closing of the door leaf (11), into and out of an oper... | 04/01/2008 |
| 7281672 | Dual burst disk An apparatus and method for dispensing fluid including a pressure vessel at a first pressure and a reservoir at a second pressure. The reservoir communicates with the pressure vessel via a first aperture and with an environment at a third pressure via a second apert... | 10/16/2007 |
| 7137456 | Firefighting equipment An articulated fire truck (T) has an extendible and retractable boom (11) mounted on the truck and extendible to a height above the ground where a fire is burning within a building (B). A drill assembly (1) is affixed to the end of the boom for drillin... | 11/21/2006 |
| 7137569 | Chemical injector A chemical injector for injecting fluid chemical into a pipeline having an axis wherein the pipeline has fluid flow moving from an upstream to a downstream direction. The chemical injector includes an injector tube having an axis substantially perpendicular to the a... | 11/21/2006 |
| 7104471 | Dispensing devices A liquid dispensing device for dispensing a liquid into the surrounding atmosphere employs a forced airflow through a small cross-section outlet nozzle (48) to draw the liquid from an adjacent exit nozzle (50) into the airflow. The air outlet nozzle pr... | 09/12/2006 |
| 7066403 | Sprinkling system and method The invention relates to a sprinkling system. The system comprises a body portion comprising a housing and a spike depending downward from the housing, wherein the housing comprises a lower platform and an upwardly open U-shaped groove aligned along a center line of... | 06/27/2006 |
| 7055613 | Self leveling boom system with rotatable working assembly A fire fighting vehicle having a boom system includes a working assembly attached to an end portion of the boom system. The working assembly comprises a frame pivotally mounted at a midpoint of the frame to the end portion of the boom. The frame carries a mechanical... | 06/06/2006 |
| 7048010 | Drip irrigation system Low-pressure drip irrigation system, comprising a distribution pipe made of thin-walled sleeve collapsible when empty and designed to operate under hydraulic head up to 3 m H2O, having a plurality of holes in the walls thereof, a plurality of branch tubes... | 05/23/2006 |
| 6988496 | Cartridge for a liquid For meteredly dispensing a liquid over a period of several months from a container which can be stored over a long period of time, the need is for a container which is practically diffusion-tight and in which the liquid does not come into contact with the ambient at... | 01/24/2006 |
| 6971589 | Reclosable fitment for connecting a reservoir to a dispensing appliance The present invention is directed to a device for the delivery of products, preferably cleaning products which comprise an active ingredient and more preferably cleaning products which comprise a surfactant. The device includes at least one liquid reservoir for cont... | 12/06/2005 |
| 6971451 | Firefighting penetration tool A firefighting penetration tool for penetrating a surface and ejecting a fluid into an area on fire. The firefighting tool includes a weighted head, a planar surface area affixed to the weighted head and an interchangeable penetrating body projecting from the planar... | 12/06/2005 |
| 6941893 | Fluid delivery system A fluid delivery system for delivering a fluid from a fluid bag to an animal caging system for housing an animal may comprise a fluid delivery valve assembly, wherein the fluid delivery valve assembly is adapted to be coupled to the fluid bag to facilitate the provi... | 09/13/2005 |
| 6938836 | Valve closure for spray gun reservoir A paint reservoir has an outlet connectable to a spray gun for transferring paint from the reservoir to the spray gun in use. The outlet is provided with a valve device for opening and closing the outlet to control flow of paint from the reservoir. The valve device ... | 09/06/2005 |
| 6732955 | Dispenser for media and method for producing a dispenser A piston plunger (1) is injection molded from two longitudinal sections (2, 3) in parallel axial position. The shorter component (3) is then pivoted around a hinge joint (4) into position having the same axis as the other component (2 | 05/11/2004 |
| 6581851 | Vapor recovery nozzle A nozzle is provided which includes a nozzle body having a proximal end and an insertion end and defining an inlet orifice at the proximal end thereof and an outlet orifice at the insertion end thereof. The nozzle body is adapted to be attached at the pro... | 06/24/2003 |
| 6381821 | Emitter barb installation tool and emitter barb cluster Emitter barb installation tool 20 has driving mechanism 24, emitter barb feeder magazine 26 and pipe support 22. Pipe support 22 holds and supports a pipe 5. Feeder magazine 26 holds and feeds emitter barbs 10. Feeder magazine 26 places one of the emitter... | 05/07/2002 |
| 6343616 | Drip emitter attaching apparatus A drip emitter attaching apparatus for easily attaching drip emitters to a tube. The drip emitter attaching apparatus includes a drip emitter attaching apparatus for puncturing holes in a piece of piping and attaching a 45 degree drip emitter, a straight ... | 02/05/2002 |
| 6263912 | Fluid flow control valve A fluid flow control valve within a pop-up sprinkler arrests fluid flow through a riser of the pop-up sprinkler under abnormal flow conditions, such as when the riser is broken or a sprinkler head is removed from the riser. The riser, which is movable rel... | 07/24/2001 |
| 6199584 | Fluid flow control valve A flow control valve arrests fluid flow from a primary line to a branch line when flow into the branch line exceeds a predetermined flow rate. In one embodiment for use with an irrigation system, the valve includes a T-fitting. The fitting defines a prima... | 03/13/2001 |
| 6149873 | Computer game enhancement A scent apparatus is provided including a scenting mechanism for dispensing a scent upon the actuation thereof. Further included is an actuation mechanism connected between the scenting mechanism and either a computer or a game unit for actuating the scen... | 11/21/2000 |
| 6095433 | Irrigation system and method of performing same An irrigation system comprising a container for holding a liquid, a tap, a device for simultaneously puncturing the container and securing the tap to the container and a device for regulating the dispersement of the liquid from the container. Also provide... | 08/01/2000 |
| 6042023 | Automatic deicing unit The present invention is a stationary, portable deicing machine for preventing snow and ice build up on any targeted surface, such as driveways, walkways and rooftops. The invention is a compact, integrated reservoir/pump/controller system that may be ope... | 03/28/2000 |
| 5941380 | Device for dispensing flowable material A storage cap having a storage compartment, an aperture on the storage compartment, a rupturable membrane covering the aperture, and a receiving groove that engages a bottle, holds a measured amount of a powdered, granulated, or other flowable form of foo... | 08/24/1999 |
| 5842251 | Automobile wiper having an improved washing liquid spray device An automobile wiper has a washing liquid spray device carried by the wiper. The spray device includes a tubular supply pipe (16)! and at least one member (46)! for spraying liquid in the direction of a pane of glass to be wiped. At least one clamp (... | 12/01/1998 |
| 5718383 | Viscous liquid spray dispensing systems A system of dispensing viscous liquid, such as vegetable oil containing products is provided which includes a sealed flexible barrier pack filled with viscous liquid, preferably filled with a viscous liquid oil having a viscosity of about 60 cps or greate... | 02/17/1998 |
| 5676190 | Fire extinguisher A fire extinguisher has a pipe member for containing a cylinder filled with liquefied extinguishing gas, and a pusher guide member and a nozzle having an ejection hole formed therein are fitted to upper and lower openings, respectively, of the pipe member... | 10/14/1997 |
| 5615743 | Fire extinguisher A fire extinguisher has a pipe member for containing a cylinder filled with liquefied extinguishing gas, and a pusher guide member and a nozzle having an ejection hole formed therein are fitted to upper and lower openings, respectively, of the pipe member... | 04/01/1997 |
| 5560380 | Method and apparatus for processing hollow bodies filled with metallic sodium A method for safely cutting hollow bodies filled with metallic Na for disposal comprises the steps of cutting the hollow bodies with plasma jet so as to oxidize metallic Na while conveying said hollow bodies in a hermetically sealed housing, throwing the ... | 10/01/1996 |
| 5248096 | Air brush An air brush is shown and described having separate gas delivery and media delivery portions whereby different media delivery portions may be provided with alternate media or media colors and selectively mounted upon the gas delivery portion. The media de... | 09/28/1993 |
| 5174828 | Device for discharging and rinsing a container A system described herein that provides for the opening, emptying and rinsing of the interior of a chemical container. The present system allows an operator to destructively perforate the bottom of a container, empty its contents into a vessel, rinse its ... | 12/29/1992 |
| 5069388 | Porous pipe landscape system An irrigation system that uses porous and non-porous pipe in combination, the porous pipe having a porosity such that the flow of water therethrough is balanced to the flow of water through point source emitters connected to both the porous and non-porous... | 12/03/1991 |
| 4979638 | Aerosol dispenser with sealed actuator An aerosol dispenser having a transparent container for storing a propellant and a first compound under pressure. An actuator button normally closes a valve mounted on top of the container to control the dispensing of the materials from the container. An ... | 12/25/1990 |
| 4926597 | Device for collecting sap The disclosure herein describes a device for collecting sap from trees and directing the sap to a sap collecting system operatable under vacuum conditions; it comprises a hollow body including a frusto-conical section adapted to be forced into the outer l... | 05/22/1990 |
| 4850531 | Drip emitter An emitter includes a body member having a head portion. The head portion has an outer peripheral surface that defines an elongated channel and the channel extends along a tortuous path from an inlet end of the channel to an outlet end of the channel. A c... | 07/25/1989 |
| 4653695 | Pressure compensating drip irrigation emitter A drip irrigation emitter which provides for varying the length of the water flow path through the emitter in proportion to the pressure applied to it from the irrigation system. A housing defines an internal chamber in which a piston is disposed. The hou... | 03/31/1987 |
| 4613080 | Multiple outlet trickle irrigation unit An improved trickle irrigation unit includes a selector dial for controlling water flow through a plurality of outlet ports. The trickle unit comprises a valve housing having a water inlet port opening into one side of a pressure chamber, the other side o... | 09/23/1986 |
| 4593857 | Irrigation emitter unit A drip irrigation emitter is located in the wall (IV) of a flexible irrigation pipe. It contains a flow control chamber (15) which communicates with the pipe interior through a filter (II) and with the outside through an outlet passage (17) extending radi... | 06/10/1986 |
| 4543990 | Irrigation valve A valve is mountable in an opening in a gated pipe to control water flow, particularly in a cablegation system. A gasket is mountable in the irrigation pipe opening and a hollow leg of a T-shaped valve housing is inserted into the mounting member. The hou... | 10/01/1985 |
