Celebrity Inventors
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 |
| 7213781 | Cutterhead A cutterhead having a drum surface with a series of knife retainers distributed about the surface. The longitudinal extension of the knife retainers defines an angle α with the axis of rotation of the cutterhead, and a knife is mounted to the knife retainer. The kn... | 05/08/2007 |
| 7201339 | Method and apparatus for producing wood shavings A heavy flywheel disc having a radially spaced apart array of pockets in which are mounted knives. Short logs, which have been de-barked, are fed in with their long axis parallel to the face of the flywheel. A hydraulic ram translates the logs sideways into the plan... | 04/10/2007 |
| 7195187 | Rolling mill system A rolling mill system has oppositely driven, temperature-controlled first and second rolls, each having a first roll half with a first end face, a second roll half with a second end face, and a roll center. The first roll has a peripheral surface with open grooves a... | 03/27/2007 |
| 7094309 | Process and device for gluing dried fibers designated for the production of fiberboards Dried fibers which are designated for the production of fiber boards are supplied to a fiber roller (17) from a metering device through a feed chute (10) which is subjected to negative pressure, which fiber roller is provided on its surface with a plur... | 08/22/2006 |
| 7032851 | Portable pill crushing device A portable pill crushing device includes a housing having a base, a motor disposed in the housing, a battery for supplying electrical power to the motor, and a series of rotatably mounted rollers connected to the motor. A pressure plate is attached to the housing an... | 04/25/2006 |
| 6923227 | Canter chipper head The present invention provides a canter chipper head that comprises a rotor suitable for rotation about a rotation axis. The rotor has a lateral side and a frontal side, and includes a first cutting assembly and a second cutting assembly that are each mounted to the... | 08/02/2005 |
| 6745961 | Colloid mill A colloid mill utilizes a motor-driven shaft configuration that connects to the rotor of the colloid mill to the electric motor rotor. In this way, the mill rotor shaft is directly driven. Complex gear or belt drive arrangements between a separate electric motor and... | 06/08/2004 |
| 5704562 | Cutterhead for forage harvester A rotatable forage harvester cutterhead having a rotatable shaft, and a plurality of axially spaced disc shaped plate members having substantially the same diameters and affixed in parallel planes transversely along the shaft for rotation therewith. A plu... | 01/06/1998 |
| 5423232 | Self-lubricating gear system Disclosed is a high strength, self-lubricating, non-metallic gear which requires no lubrication when running with a metallic gear. The gears are secured to their shafts with keyless retaining devices, and the gear set is cut with a non-standard tooth form... | 06/13/1995 |
| 4478030 | Machine for cutting forage plants The cutting cylinder of a forage harvester is provided with a plurality of fragmenting bars interspersed between the circumferentially spaced apart knives of the cylinder. Each of the fragmenting bars has a generally radially outwardly projecting portion ... | 10/23/1984 |
| 4474336 | Method and means for adjusting a forage harvester shear bar relative to a rotating chopping cylinder A method and means for adjusting a forage harvester shear bar relative to its rotating cylinder. The outer end of the shear bar, the central portion of the shear bar and the inner end of the shear bar can all be selectively adjusted while the cylinder is ... | 10/02/1984 |
| 4312481 | Cutterhead crop redirectors A forage harvester including an imperforate peripheral shield for the cutterhead extending from the shear bar in the direction of rotation and a plurality of parallel elongated bars mounted on the face of the shield adjacent the cutterhead periphery and d... | 01/26/1982 |
| 4257566 | Cutterhead for forage harvesters and the like A forage harvester cutterhead of the type having a rotatable member carrying circumferentially spaced cutting knives. Each knife is beat such that a leading cutting portion is directed radially inwardly of its trailing portion and ahead of its knife suppo... | 03/24/1981 |
| 4209137 | Forage harvester cutterhead with baffle means A rotatable cutterhead for a forage harvester having a plurality of parallel support members within plans perpendicular to a central shaft and spaced axially therealong. A plurality of similar chopping blades are affixed in circumferentially spaced relati... | 06/24/1980 |
| 4206882 | Granulator blade construction A novel cooperative blade construction for the rotor and bed knives of a size reduction machine such as a granulator and the like wherein each of the blades are of an overall chevron configuration so as to form a generally trapezoidal opening therebetween... | 06/10/1980 |
| 4123489 | Method for converting waste paper products into useful forms A method is provided for converting waste paper materials into more useful forms for uses such as plant mulches, lightweight concrete aggregates, fertilizers, animal feeds, chemical food stock and other materials, fuels and uses such as recycling paper pr... | 10/31/1978 |
| 4077733 | Device for removing the wearing surface of a tire A device for removing the wearing surface of a tire before resurfacing includes a pair of disks detachably fixed together and having a common peripheral groove of partial circular cross-section. A number of ring-shaped cutting bits having cutting edges at... | 03/07/1978 |
| 4055309 | Adjustable cutter bar support A support structure for a cutter bar for use in a forage harvester, the support structure adjustably supporting the opposite ends of the cutter bar and providing a convenient readily adjustable structure for supporting the central portion of the cutter ba... | 10/25/1977 |
| 4031670 | Adjustable sharpener for self-sharpening feed chopping knives An improved adjustable sharpener for self-sharpening feed chopping knives. The sharpener provides a stone housing having a sharpening stone mounted therein for the sharpening of the edges of the knives mounted on a rotating cutter head. The stone is manua... | 06/28/1977 |
| 4027826 | Chopping machine particularly for the harvest of corn cobs and their comminution In a forage harvester, a plurality of spaced knife supports are angularly spaced apart around the periphery of a rotatable cutter drum. A straight beater bar is displaceably fixed to each knife support so that the beater bars have an impact edge which rot... | 06/07/1977 |
| 4022073 | Roll drive for cluster mills In a beam-backed cluster-type strip mill each roll is driven separately from a vertical motor placed on top of the housing through a floating right-angle gearbox. The gearbox is keyed onto one end of each roll and is so suspended that only pure torque is ... | 05/10/1977 |
| 4020995 | Drive system for chopping apparatus A chopping apparatus has a housing on one side of which is provided a chopper reel rotatable in a forward direction for chopping and a reverse direction for sharpening, and on its other side with a fan rotatable in a reverse direction for discharging chop... | 05/03/1977 |
| 4000670 | Method and apparatus for noise suppression Method and apparatus for suppressing noise in machinery a having movable element and fixed element in close proximity to the movable element is disclosed. The movable element and fixed element may coact to disturb the atmosphere and produce noise. A fluid... | 01/04/1977 |
| 3960335 | Comminution device for scrap plastics A comminution device for the conversion of scraps of plastic into a free-flowing granulated material is provided without having to repeatedly feed the same scrap plastic into the device. The scraps of plastic are cut both longitudinally and transversely w... | 06/01/1976 |
