...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 7487927 | Fertilizing system and method by extracting nitrogen compounds from combustion exhaust gases A fertilizer system is provided using extraction of nitrogen compounds and other plant nutrients from combustion exhaust gases, and which is particularly suited for use with an agricultural irrigation system or engine driven plant care equipment including self-prope... | 02/10/2009 |
| 7438243 | Tie-down anchor for a self-propelled irrigation system A tie-down anchor for a self-propelled irrigation machine comprising an anchor embedded in the ground adjacent one or more of the drive units on the irrigation machine with the anchors being connected to the main frame of the drive unit by means of a chain and chain... | 10/21/2008 |
| 7419107 | Swivel inlet hose-drag linear irrigation machine A swivel inlet hose-drag irrigation machine is disclosed which utilizes an inlet elbow mounted in a swivel bearing on the cart to attach a water supply hose to the machine. The inlet elbow is mounted to the side of the four-wheel linear cart rather than behind the c... | 09/02/2008 |
| 7344091 | Spraying Spraying apparatus (1) is provided that has two horizontally disposed upright spray arm assemblies (33) that each carry sprayers (43). Each spray arm assembly (33) has a sprayer (43) in an upper part (35) and a sprayer (4... | 03/18/2008 |
| 7337982 | Irrigation device An irrigation device having a plurality of spans emanating from a common vertically oriented source of supply. ... | 03/04/2008 |
| 7325756 | Roll-sprinkler irrigation system A roll-sprinkler system comprises with horizontal water conducting pipe portions as the supporting means for multiple wheels. The pipes conducting liquid to the sprinkler heads for irrigations have an opening adaptor allowing the system to connect with standard gard... | 02/05/2008 |
| 7311275 | Wheel assembly for irrigation system Mobile towers of an irrigation system have drive wheel assemblies that propel the towers along the ground. At least certain of the wheel assemblies may comprise dual wheels that share a common axis of rotation but are separately driven by their own drive motor. By d... | 12/25/2007 |
| 7309035 | Irrigation system joint A flow-through joint in an irrigation machine between the main pipeline section and a swing span, such as a corner span, permits a limited amount of generally linear displacement of the swing span within the joint for speed control or other purposes. A turret that r... | 12/18/2007 |
| 7303157 | Method and means for preventing a self-propelled irrigation system from overturning A selectively fillable ballast water tank is secured to the main frame of the drive units of a self-propelled irrigation machine. The water tank is selectively filled with water from the water pipeline when the system is going to remain stationary for a period of ti... | 12/04/2007 |
| 7300004 | Traveling sprinkler incorporating automatic water supply valve docking station A docking station module for fluidly connecting a mobile irrigation apparatus to a stationary hydrant water supply valve mounted on a water supply pipe, the module comprising a hydrant valve actuator resiliently suspended from a frame for floating movement in at lea... | 11/27/2007 |
| 7207503 | Chemical dispensing means for a travelling lawn sprinkler A chemical dispenser which is selectively removably mounted on a travelling lawn sprinkler. The chemical dispenser dispenses liquid chemical into the water being sprinkled onto the lawn by the water distributor as the self-propelled travelling lawn sprinkler propels... | 04/24/2007 |
| 7140563 | Linear-feed irrigation apparatus and related method A linear water feed apparatus for use in agricultural irrigation includes a linear-move machine with a mobile truss assembly supporting a plurality of individual sprinklers and adapted for movement in a specified direction across a field to be irrigated. The truss a... | 11/28/2006 |
| 7121483 | Liquid manure spreading tool bar A liquid manure spreading tool bar for use on a manure spreader, wherein the manure spreader has a tank and a pump, and wherein the spreading tool bar has a supporting frame externally mounted onto the tank, a manure distributor mounted onto the supporting frame, a ... | 10/17/2006 |
| 7097113 | Irrigation unit including a power generator An irrigation unit (20) for irrigating an area (12) with a fluid (19) from a fluid source (18) includes a housing (200), a nozzle (220), an electronic component (221), and a power generator (230). The nozzle ( | 08/29/2006 |
| RE39188 | Irrigation method Large crop areas are irrigated, for instance by pivot irrigation, by being sprayed with water into which a substantially stable dispersion in a liquid of water soluble polymer particles has been metered at a predetermined low rate. ... | 07/18/2006 |
| 7073735 | Boom breakaway system Foldable boom inner wings are attached to a boom center frame through a rocker attached to a breakaway hydraulic cylinder pressurized to full stroke and connected to an accumulator. When a wing impacts an object, the impact load is transmitted through the fold cylin... | 07/11/2006 |
| 6997406 | Hose weight with ballast A weight component for an irrigation drop tube includes an elongated, hollow core sleeve, the core sleeve having a radially outwardly directed shoulder at one end connected to a radially outer skirt. A weight sleeve is supported at one end by the shoulder, inside th... | 02/14/2006 |
| 6953164 | Lawn irrigation system A lawn irrigation system including a frame, a motor, a sprinkler arm, at least one drive wheel, and a cover. The motor is operably attached to the frame. The at least one drive wheel is operably connected to the motor. The sprinkler arm is operably connected to the ... | 10/11/2005 |
| 6854404 | Adaptive agricultural machine This invention provides devices and methods for adapting a motorcycle for use with an agricultural system. In a preferred embodiment, the agricultural system includes a motorcycle drive unit adapted for removable attachment to a tool assembly. In a further embodimen... | 02/15/2005 |
| 6820822 | No leak seal system for irrigation wheel-drive gearbox A gearbox for a drive line irrigation system in which the input and output shafts of the gearbox are sealed with a compressed and sintered silicon and carbide face seal. The face seal is contained within the gearbox and compressed between a gearbox end cap and a sha... | 11/23/2004 |
| 6808135 | Fluid-filled weight, particularly suited for use in irrigation systems Weight, particularly suited for use in irrigation systems, includes a body having a chamber with inner and outer walls. The chamber is sized and configured for receiving a fluid such as water, storing the water in use, and adding to the weight of the overall device.... | 10/26/2004 |
| 6705553 | Apparatus for watering surfaces An apparatus for watering plants has a movable beam carrying several valves for dispersing water. At least some of the valves include a mechanism for sensing water flow and a regulator for adjusting the degree of opening of the valve until the actual flow correspond... | 03/16/2004 |
| 6604697 | Impeller driven traveling sprinkler A self propelled sprinkler is disclosed. The sprinkler has a support body with a drive unit which drives two rear wheels. The drive unit is powered by water pressure supplied through a hose which is coupled to the drive unit via a hose coupler. The drive ... | 08/12/2003 |
| 6601775 | Irrigation sprinkler unit and method of irrigation A stripwise method of irrigation is disclosed, for use with an irrigation system comprising a length of flexible conduit to which a plurality of sprinklers are fixed, each sprinkler being fastened to a protective device which also keeps the sprinkler upri... | 08/05/2003 |
| 6453216 | Method of controlling an irrigation system The present invention is a method of controlling an irrigation system that minimizes the use of irrigation water comprising defining a stop time for each watering event that is as late as possible to maximize the statistical contribution of predicted or a... | 09/17/2002 |
| 6450420 | Disinfectant spraying apparatus A disinfectant spraying apparatus is disclosed for mounting on a vehicle for spraying disinfectant on each tire of a vehicle before and after entering a livestock farm. The apparatus includes a container for containing the disinfectant, the container bein... | 09/17/2002 |
| 6398131 | Irrigation sprinkler unit and method irrigation A device for the protection of a water sprinkler head includes a base and sides enclosing the head, with an open top. The base is adapted to slide over the ground, the sides are arcuate, fixed to the base and protrude above the head. There are means to re... | 06/04/2002 |
| 6343749 | Mobile drip irrigation system A mobile drip irrigation system includes an existing mobile irrigation system with the sprinkler heads removed and drip lines connected to the locations of the removed sprinkler heads. Each drip line includes a drop line extending from the irrigation syst... | 02/05/2002 |
| 6131832 | Manual watering boom and greenhouse The manual watering boom comprises of a wheeled frame, a water delivery system, and a handle. The wheeled frame comprises of a horizontal beam, at least two support structures, and a wheel assembly. The horizontal beam has a first and a second end and at ... | 10/17/2000 |
| 6126088 | Extended rate range sprayer nozzle system A nozzle mounting and control system for use in sprayers comprising multiple sets of nozzles mounted in the operating position on a sprayer boom. Control valves are operable to select which sets of nozzles are operating at any given time. The valves may b... | 10/03/2000 |
| 6068197 | Pivoting lateral move irrigation system which waters in the pivot mode A pivoting lateral move irrigation system which operates to water in the pivot mode. The irrigation system includes a conduit extending over the field to be irrigated, and a series of support towers which are spaced along the length of the conduit and sup... | 05/30/2000 |
| 6000625 | Irrigation method Large crop areas are irrigated, for instance by pivot irrigation, by being sprayed with water into which a substantially stable dispersion in a liquid of water soluble polymer particles has been metered at a predetermined low rate.... | 12/14/1999 |
| 5938127 | Outlet for connecting spray nozzles, drop tubes or the like to an irrigation pipe An outlet for connecting spray nozzles, drop tubes or the like to an irrigation pipe comprising a generally cylindrical-shaped member having an inner end, an outer end, an annular shoulder protruding outwardly therefrom between the inner and outer ends, a... | 08/17/1999 |
| 5927619 | Lock assembly for wheel supported irrigation system A wheel supported irrigation system is provided with a locking assembly to immobilize the system against travel resulting from high winds or other causes. A system water pipe carries positionable leg members which, when deployed, are in ground contact. Wh... | 07/27/1999 |
| 5797216 | Apparatus and methods for reducing the redox potential of substances A method for improving water quality including the steps of providing a supply of water to be treated and decreasing the redox potential of the water principally by supplying thereto atomic hydrogen.... | 08/25/1998 |
| 5447274 | Portable irrigation apparatus using pumped or direct water An irrigation apparatus for parks, golf courses, acreages, sports fields, school yards, etc., is mounted on a small trailer. It includes a sprayer head of the impulse type, a self-priming centrifugal pump for supplying water under pressure to the sprayer ... | 09/05/1995 |
| 5174507 | Gate for irrigation system An irrigation line gate is adapted to be connected between an upstream irrigation line and a downstream irrigation line of a mobile irrigation system to allow lateral movement of the irrigation line past a stationary obstacle in a direction perpendicular ... | 12/29/1992 |
| 5108592 | Rotary self-cleaning strainer simultaneously cleaned and rotated by nozzle structure A rotary self-cleaning strainer comprises a circular cylindrical walled pipe on which a circular cylindrical filter screen assembly is journaled for rotation. The pipe has an intake that is surrounded by the filter screen assembly and a discharge that is ... | 04/28/1992 |
| 4858832 | Agricultural water cannon A mobile agricultural water cannon to transfer water from sloughs and shallow ponds to adjoining land has (1) a suction pod to collect the water into a suction chamber, (2) a tail boom assembly to lower the suction pod into the water from adjoining land, ... | 08/22/1989 |
| 4832263 | Self propelled field irrigator A mobile irrigator with a ribbon of plastic wound on a drum which is frictionally driven by wheels engaged with the ribbon, the wheels being adapted to slide on the plastic to compensate for varying diameters of the drum resulting from more or less windin... | 05/23/1989 |