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 |
| 7748421 | Portable apparatus for reducing vegetation and method for using same The concept of using a cutting element proximate the end of an excavator or similar device, along with the concept of using a cogged belt pulley configuration, an overhead load adaptor, a single- or multiple-pivoting drum configuration, and other concepts disclosed ... | 07/06/2010 |
| 7377298 | Chipping apparatus having a knife ring An apparatus for comminuting materials includes a rotating or stationary ring of knives that is arranged around a chipping chamber. The ring of knives is has a plurality of knife carriers, which are distributed around the knife ring axis in a circular shape, each kn... | 05/27/2008 |
| 7210511 | Intermediate product, method and device for producing wood chips The invention relates to an intermediate product, a method for processing the intermediate product and a wood chipping device for processing the intermediate product. The intermediate product is substantially rod shaped and is sized in a range that includes between ... | 05/01/2007 |
| 7178566 | Process and apparatus for producing veneer strips, chipped wood or the like The invention relates to a process and an apparatus for producing veneer strips, chipped wood or the like, individual pieces of wood being joined together, with grains parallel, to form a group and then a multiplicity of such groups being arranged one behind the oth... | 02/20/2007 |
| 7175116 | High-security cutting True zero-clearance cutting on a commercial scale is provided via a cutting area including a sacrifice material that is relatively softer than the cutter. One example is a cutting system which is capable of cutting a material such as, for example, tape or paper, int... | 02/13/2007 |
| 7143796 | Wood-reducing apparatus with continual feeder assembly Apparatuses, methods, and systems for producing wood chips are disclosed. The invention in one embodiment produces smooth wood chips of generally uniform size and shape, suited for use in making paper, cardboard, and other recyclable materials. An apparatus is discl... | 12/05/2006 |
| 7137421 | Chipper knife The invention relates to a chipper knife with at least one cutting edge (6) along at least one of its side edges. The chipper knife is adapted to be mounted in chippers of the kind which are used to cut chips of a desired size and shape from pieces of wood or... | 11/21/2006 |
| 7055562 | Apparatus for comminuting wood board stacks to strands An apparatus for comminuting a stack of wood boards to produce wood strands. A stack feeder feeds the stack of wood boards to a chipper chamber on a longitudinally displaceable carriage moving transverse to the direction of feed of the stack and having a blade ring ... | 06/06/2006 |
| 7007874 | Shroud assembly for waste processing machine A shroud assembly for a waste processing machine includes a shroud for attachment to an engine of the waste processing machine. The shroud assembly also includes a plurality of fasteners for attaching the shroud to the engine of the waste processing machine, whereby... | 03/07/2006 |
| 7004414 | Blade for food processors A blade for food processors is provided on at least one surface with a plurality of spaced cutting teeth, which are slantingly or perpendicularly projected from the surface of the blade. Each of the cutting teeth includes a substantially pyramidal projection and a s... | 02/28/2006 |
| 6974281 | Tool for chip removing machining A tool for chip removing machining includes an insert holder and a cutting insert attached thereto. The holder includes a longitudinal center axis and terminates in a support surface at a front end of the holder. The support surface defines a seat to which the inser... | 12/13/2005 |
| 6915971 | Comminuting unit of a comminuting machine for comminuting material, especially knife block for a wood slicer A comminuting unit of a comminuting machine for comminuting material has a plurality of knife carriers with a longitudinal axis. The knife carriers are arranged along a comminution path of the comminuting unit and have a leading longitudinal edge. The knife carriers... | 07/12/2005 |
| 6824089 | Wood collection and reducing machine A machine for collecting and reducing wood including a prime carrier; a debris collector operatively attached to the prime carrier; a shredder assembly attached to the prime carrier, the shredder assembly having an input and an output; a storage bin for holding redu... | 11/30/2004 |
| 6767315 | Method, arrangement, device and magazine for automatic changing of knife units of a knife ring of a knife ring slicing device In a method and device for automatically exchanging knife units of a knife ring slicing device, the knife changing magazine is moved relative to the knife ring into a knife changing position in which the knife receptacles of the knife changing magazine are axially a... | 07/27/2004 |
| 6755772 | Method, arrangement, device and magazine for automatic changing of knife units of a knife ring of a knife ring slicing device In a method and device for automatically exchanging knife units of a knife ring slicing device, the knife changing magazine is moved relative to the knife ring into a knife changing position in which the knife receptacles of the knife changing magazine are axially a... | 06/29/2004 |
| 6743160 | Method, arrangement, device and magazine for automatic changing of knife units of a knife ring of a knife ring slicing device In a method and device for automatically exchanging knife units of a knife ring slicing device, the knife changing magazine is moved relative to the knife ring into a knife changing position in which the knife receptacles of the knife changing magazine are axially a... | 06/01/2004 |
| 6554032 | Apparatus for slicing fibrous material, in particular, trunk wood An apparatus for slicing elongate fibrous material has a slicing device having an axis of rotation about which the slicing device rotates during operation. The slicing device has slicing tools with a blade carrier and a blade unit. The blade units have cu... | 04/29/2003 |
| 6510880 | Lumber trim end chipper An improved method and apparatus which cuts certain wood pieces, commonly referenced as "mill ends," such that the chips can be used to make paper, cardboard and other recyclable materials. The use of a horizontal drum in combination with a horizontal anv... | 01/28/2003 |
| 6457500 | Method and apparatus for processing pan-shaped wood members A method and apparatus for reducing the size of wood members, particularly pan-shaped wood members known in the industry as "lilypads", such that the orientation of the fibers of the lilypads are encouraged to be substantially perpendicular to the longitu... | 10/01/2002 |
| 6202720 | Knife-ring chip remover There is provided a knife-ring remover for chips having a knife ring arranged rigidly on an axis. The knife ring has a collar of knives and first and second bearing rings concentric to the axis. A housing, that partly encloses the knife ring, has a rear w... | 03/20/2001 |
| 6196284 | Wood pulverizer with improved grates and grate components An improved wood pulverizer is provided with a rotating disc studded with a plurality of curved tapered hammers. One or more anvils is secured to the pulverizer with the anvil having teeth and slots located adjacent the surface of the disc. The hammers of... | 03/06/2001 |
| 6125897 | Method and apparatus for processing pan-shaped wood members A method and apparatus for reducing the size of wood members, particularly pan-shaped wood members known in the industry as "lilypads", such that the orientation of the fibers of the lilypads are encouraged to be substantially perpendicular to the longitu... | 10/03/2000 |
| 6032707 | Drum assembly for a wood chipper A drum assembly for a wood chipper includes a drum rotatable about a horizontal axis and a plurality of pockets disposed circumferentially about the drum. The drum assembly also includes a plurality of blades operatively connected to the drum, one of the ... | 03/07/2000 |
| 5964264 | Material strander and methods therefor An improved strander, and methods of operating the same, alternately delivers material into a housing element through at least two feeding points so that material fed through the first feeding point can be stranded during movement of the housing element i... | 10/12/1999 |
| 5957178 | Method and apparatus for processing pan-shaped wood members A method and apparatus for reducing the size of wood members, particularly pan-shaped wood members known in the industry as "lilypads", such that the orientation of the fibers of the lilypads are encouraged to be substantially perpendicular to the longitu... | 09/28/1999 |
| 5937923 | Chip slicer A chip slicer has pivotably mounted chip-forming knives located so that the knife edges are in a plane which passes through the axis of rotation of the knives, as well as through the axis of pivoting. Another improvement is to employ a knife which has a b... | 08/17/1999 |
| 5868184 | Knife assembly and apparatus for slicing woodwool The invention relates to a knife assembly for slicing woodwool, comprising a knife with a chip surface (1), a clearance surface (2) and a cutting edge (3), defined by the intersection between both surfaces. The knife assembly is characterized by guiding r... | 02/09/1999 |
| 5836528 | Chipper A chipper has a housing formed with an intake defining a feed direction, a hollow drum rotatable in the housing in a rotational sense about an axis transverse to the feed direction and formed with a plurality of angularly spaced, radially throughgoing, an... | 11/17/1998 |
| 5819825 | Interchangeable chipper attachment for a hog An interchangeable chipper tool attachment for a hog allows a hog machine to operate as either a hog or a chipper. An operator of the hog machine can remove hammer tools used in the hog and replace them with the chipper attachment. The chipper attachment ... | 10/13/1998 |
| 5803143 | Method and apparatus for producing wood wafers Wood wafers are produced by feeding logs to a rotary cutter head drum with the longitudinal axis of the logs disposed substantially parallel to the rotational axis of the drum. The drum mounts a plurality of wafer cutting head units arranged in a V-shaped... | 09/08/1998 |
| 5730375 | Blade assembly and method A blade assembly for a shredding machine is presented which can be used in the method for replacing broken blades and when rebuilding the blade seat. The method includes milling the base support to reduce its height and redrilling the blade bolt holes. A ... | 03/24/1998 |
| 5725464 | Method and apparatus for the automatic replacement of rim shaped size reduction tools of size reduction machines, more specifically knife rims of wood flaking machines The invention relates to a method and apparatus for the automatic replacement of rim shaped size reduction tools by means of a programmed sequence control which is started according to the present invention when the power consumption of the size reduction... | 03/10/1998 |
| 5692548 | Wood chipper A drum chipper for chipping wood material includes a chipping drum having a blade mounted at an opening formed through a circumferential surface of the drum. The drum includes an internal conical surface positioned for a chip to flow radially inwardly fro... | 12/02/1997 |
| 5647417 | Long-timber chipping machine A long-timber chipping machine has a timber feed channel for receiving longitudinally arranged timbers, advanced using a timber-advancing device to a vertically movable chipping device positioned at the downstream end of the feed channel. The chipping dev... | 07/15/1997 |
| 5485873 | Knife clamping system An improved knife clamping system for use in an apparatus for processing wood, such as a flaker, chipper or waferizer, that employs a rotary disc or ring, cutting knives, holding locations mounted on the disc or ring to receive the cutting knives, clampin... | 01/23/1996 |
| 5313696 | Method and apparatus for removing blade ring in a ring flaker A ring flaker has a housing with a back opening so that a blade ring mounted to an arbor assembly can be slid backwards away from the housing to allow the blade ring to be replaced without removing the housing. This arrangement reduces the down time gener... | 05/24/1994 |
| 5299610 | Process and device for the continuous chipping of long timbers A process and a device for the continuous chipping of timbers of different length. To increase the chipping performance, in the execution of the sawing cut or directly thereafter, at least one supporting element for supporting the leading end face of a lo... | 04/05/1994 |
| 5188158 | Exchangeable element subject to wear The exchangeable wear-resistant element serves to protect structural parts against abrasive wear. This exchangeable wear-resistant element comprises a base part formed of a tough material and a support part formed of a material possessing high wear resist... | 02/23/1993 |
| 5143311 | Wood shavings forming apparatus and cutting roll adapted for use therewith An apparatus for forming wood shavings from wood stock includes a rotatable cutting roll for engaging and cutting wood shavings from a wood stock advanced by a feed mechanism along a predetermined path of travel to the roll. A rotatable roll of the feed m... | 09/01/1992 |
| 5111859 | Chipping method and device Method and chipping device for cutting chips (10) from elongated pieces of wood (5) in a manner that the wood to be chipped is fed into a rotating cylinder (1) and chips are cut of the side of the piece of wood by ranges of blades formed by several blades... | 05/12/1992 |