Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 7270251 | Multi-purpose liquid applicator One aspect of the invention is directed to a method of applying a liquid to a surface from a wheeled receptacle which is disposed on the surface. The wheeled receptacle, itself, includes a circumferential sidewall, a bottom wall connected to the circumferential side... | 09/18/2007 |
| 7252049 | Animal food distributor An animal feeder having a distribution mechanism which allows food to be either dropped or scattered in random directions, providing exercise and entertainment for the animal. The feeder includes a food hopper supported by wheels, which when pushed or pulled by the ... | 08/07/2007 |
| 7140310 | System and method for distributing multiple materials from an agricultural vehicle A system and method for distributing multiple types of seed, fertilizer or other materials from an agricultural vehicle is disclosed. The system includes first and second sources holding the first and second materials, respectively, a plurality of distribution units... | 11/28/2006 |
| 6047902 | Road marking machine with a pump combination driven in proportion with the traveling speed A road marking machine comprising a spray gun and a combination of two displacement pumps for supplying the marking substance to the spray gun, wherein the combination is driven in proportion with the traveling speed and wherein the pumps, each after star... | 04/11/2000 |
| 5802997 | Planting apparatus and related method A new mobile planting apparatus has first and second ranks of powered row units and first and second power devices connected respectively to and providing driving horsepower to such ranks. Suitable power devices include mechanical, electrical and hydrauli... | 09/08/1998 |
| 5524558 | Straight row seed planter A straight row seed planter wherein a support frame mounts a hopper onto a support beam, with an axle rotatably mounted within the support frame parallel to the support beam, wherein the support beam includes at least one pair of feed cones extending ther... | 06/11/1996 |
| 5203658 | Bale feeder A forage feed out machine, the machine comprising; a cradle with a series of transverse rollers extending across and forming a base for a bale; the cradle being mounted on a chassis and wheels such that it is pivotable backward and forward by hand; at lea... | 04/20/1993 |
| 5035352 | Adjustable apparatus for spreading mortar and method therefor This invention discloses an adjustable apparatus for spreading mortar onto bricks or blocks. The apparatus utilizes augers and is readily adjusted to extrude beads of mortar onto the proper portions of bricks/blocks having different widths. A trowel membe... | 07/30/1991 |
| 5025951 | Electronic seed rate system for a grain drill An agricultural implement such as a grain drill or similar seeding implement includes a plurality of transversely spaced seed meters having fluted feed wheels fixed to and transversely movable with a drive shaft which is controlled by an actuator to vary ... | 06/25/1991 |
| 4848597 | Granular material dispenser Granular cattle feed is normally dispensed manually using pails, sacks or open trucks, or from hoppers. Such methods are usually labor intensive, time consuming and wasteful of feed. A solution to the problem involves a large cylindrical drum having a dia... | 07/18/1989 |
| 4807813 | Bicycle mounted water toy An amusement device adapted to be mounted to a bicycle or other velocipede designed to promote enjoyment and safty. The amusement device has a fluid reservoir, a pump driven by the velocipede wheel for removing fluid from the reservoir, a conduit for conv... | 02/28/1989 |
| 4505410 | Fluid applicator for treating garments A fluid dispensing applicator for crease setting compositions comprises a support 16, a reservoir 12 slidably mounted on the support 16, an applicator nozzle 14 connected to the reservoir 12 to deliver fluid therefrom, and a bearing element 40 movable rel... | 03/19/1985 |
| 4493272 | Agricultural planter with sled frame, vacuum dispensing and ground drive An agricultural planter for metering seeds for row crops includes a main frame in the form of a sled with transport wheels which can be selectively raised and lowered for transporting the planter and a tool bar for mounting a plurality of implements. A pl... | 01/15/1985 |
| 4471713 | Floor treating apparatus Floor treating apparatus, principally for waxing floors includes a drip pan to catch wax from the applicator pad when the applicator head is in a retracted position. A piston pump has an adjustable variable stroke to provide selection of the quantity of w... | 09/18/1984 |
| 4436230 | Arrangement for pulsation-free feeding of a liquid medium A device for providing pulsation-free feeding of a liquid medium from a supply container to a consuming device for use in a road-marking machine is disclosed. Two statically-operating reciprocating-piston pumps are arranged between the supply container an... | 03/13/1984 |
| 4343414 | Seed planter drum drive system A drive system is provided for driving a rotatable seed drum of a seed planter which includes a fan for supplying air under pressure to the drum. The drum drive system includes an alternator which is mechanically driven, preferably from a drive for the pl... | 08/10/1982 |
| 4322034 | Hydraulic rate control system for sprayers A hydraulic rate control system for maintaining a selected application rate at varying ground speeds. The application rate is selected through an operator control which permits the operator to dial in the spray tip size, the width of the spray pattern per... | 03/30/1982 |
| 4304344 | Spreader for particulate material A spreader for distributing particulate material, particularly adapted for use as both a package for particulates and as a disposable spreader, comprises a dispenser, a pair of wheels mounted at opposite ends of the dispenser and a handle for advancing th... | 12/08/1981 |
| 4301944 | Spreader devices having a controlled output A vehicle mounted liquid spreading device adapted to deliver selected, essentially constant, volumes of liquid per unit area over a range of vehicle speeds. The device operates to adjust the pressure in the liquid distribution system as a function of vehi... | 11/24/1981 |
| 4288008 | Agricultural spreader device of modular design for pulverulent material An agricultural spreader device for spreading seed and other granular material, the spreader being constituted by modular assemblies which are attachable to a central carrier assembly mountable on an agricultural machine such as a tractor. Each modular as... | 09/08/1981 |
| 4280663 | Scattering apparatus A vehicle-mounted spreading apparatus includes a container for the material to be spread, at least one spreading disc rotatable about a vertical axis and a dosing device for conveying material from the container to the spreading disc as the vehicle moves ... | 07/28/1981 |
| 4274585 | Control apparatus for agricultural sprayers having a mixing chamber The apparatus comprises a main reservoir for water and at least one secondary reservoir for an additive material. Both reservoirs are connected to a mixing chamber which is connected to independent segments of a spray distribution bank via separate pipes.... | 06/23/1981 |
| 4273264 | Spreader marker having a ground wheel actuated aerosol supply This invention relates to lawn spreader markers generally, and more specifically to an intermittent manually controlled marking apparatus which delineates the area covered by the spreader hopper opening and which utilizes foam as the marking material.... | 06/16/1981 |
| 4264023 | Agricultural dispensing mechanisms Mechanism for dispensing seed or fertilizer for agricultural row crop implements such as seed drills and precision planters. A resilient rotatable roller cooperates with a flat vertical glass dispensing plate to dispense seed or fertilizer from a hopper t... | 04/28/1981 |
| 4224882 | Apparatus for sowing seeds in suspension The invention provides an apparatus for sowing seeds in a liquid suspension in which a peristaltic pump supplies the suspension to the ground at a position behind and above the lower part of a drill coulter.... | 09/30/1980 |
| 4193547 | Mobile apparatus for spreading liquids at a constant volume per unit surface area Mobile apparatus for spreading a constant volume of liquid per unit area of surface in spite of variations in speed of travel, has a spreading liquid circuit which includes a pressure regulator for controlling the liquid pressure in response to the pressu... | 03/18/1980 |
| 4177674 | Spreader application rate monitoring device An application monitoring device to determine and display the volume of liquid or granular material applied per unit area of ground by mobile application equipment is described. The device includes a first measuring means which generates an area electrica... | 12/11/1979 |
| 4093107 | Spraying equipment A device for determining the volume of spraying liquid applied to unit area of ground by spraying equipment. The device includes pulse generators for generating first and second electrical signals respectively representing the rate of supply of liquid and... | 06/06/1978 |
| 4080911 | Fertilizer distributor attachment for a transplanter The present invention relates to a fertilizer distributor attachment that is adapted to be mounted to a conventional transplanter and powered thereby through a frictional drive system that includes a friction drive wheel associated with said fertilizer di... | 03/28/1978 |
| 4029237 | Sand spreader A spreader is described, primarily for use in distributing sand and the like on ice and snow-covered sidewalks. The spreader has a frame supported on ground wheels and a sand hopper is provided on the frame. An auger is mounted at a lower end of the hoppe... | 06/14/1977 |
| 4027788 | Spreader for fertilizer, seed and the like A lawn spreader includes an elongated generally rectangular hopper supported by a set of wheels and having a bottom member formed by a longitudinally extending aluminum extrusion. The extrusion has upwardly projecting inclined flange portions which are se... | 06/07/1977 |
| 4023020 | Wheeled vehicle with controlled-output spreader system In a vehicle-carried spreader system, a regulator valve controls a regulator conduit inserted between the output of a reservoir and a distribution chamber. A servo operates the valve in response to comparison of a chamber pressure manometer signal with a ... | 05/10/1977 |
| 4005803 | Chemical concentrate injection system An improved apparatus for spraying chemicals from a vehicle. Chemical concentrates from a separate supply tank are injected at a rate proportionate to the vehicle's land travel speed into water which is dispensed at a constant rate. A water pressure activ... | 02/01/1977 |
| 3977573 | Seed planter attachment for garden plow A seed planter attachment for a garden plow in which the planter is driven directly from the drive for the traction drive wheel. The planter includes a vertical seed planting disc which is rotated from such drive and which contains seed cups or pockets wh... | 08/31/1976 |