...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7299837 | Planing heads assembly for an automated planing machine A planing heads positioning device to be used with an automatic planing machine for planing sides of a piece of lumber moving along a travelling course is provided. The device includes a main frame and a planing assembly including first and second planing head arran... | 11/27/2007 |
| 7159628 | Gangsaw with a split sawbox A split sawbox for a gangsaw includes a sawbox having at least first and second mating sawbox sections. The sections are linearly selectively translatable relative to one another between a closed position wherein the sections are releasably locked together for opera... | 01/09/2007 |
| 6976514 | Pressing element of a machine for machining wood or plastic workpieces and method and device for adjusting such pressing element In a method for adjusting at least one pressing element of a molding machine for machining workpieces of wood or plastic material relative to a workpiece, transported through the machine and to be machined by the machine, the pressing element is adjusted outside of ... | 12/20/2005 |
| 6666246 | Automated planer machine An automated planer machine for planing a piece of lumber. The planer machine has a feed table for slidably receiving the bottom surface of the piece of lumber along a traveling course. One or more planing heads extend on sides of the traveling course to ... | 12/23/2003 |
| 6607017 | One pass combination of traditional and multi-axis material carving machine Apparatus and method for carving a uniformly carved portion and a variably carved portion in a workpiece in a single pass. The apparatus consists of a uniform carving head fixed relative to the workpiece and a variable carving head that is movable simulta... | 08/19/2003 |
| 6571839 | Automatic press roll control According to this invention, introduction of dynamic, closed-loop force and position control over press rolls of a planer or infeed table provides a dramatic increase in capability, performance, and reliability, as compared to the prior art.... | 06/03/2003 |
| 6474379 | Automatic flitch planer A method and apparatus for automatically planing a flitch. The method of the invention comprises measuring the distance between the top and bottom surfaces of the flitch at a plurality of longitudinally spaced locations, calculating a planing operation of... | 11/05/2002 |
| 6371176 | Log siding planer shaper This invention relates to a planing machine that can plane and shape a workpiece to replicate a hand-hewn log for use in siding, paneling and other similar type building needs.... | 04/16/2002 |
| 6345652 | Separator for lumber stacking This invention relates to an improved separator, commonly referred to as a "lath", "stick", "sticker", or "crosser", that is used in the lumber industry to separate pieces of lumber in a stack or bundle. The separator features, in one embodiment, a plural... | 02/12/2002 |
| 6330895 | Log flaking and loading method and apparatus A log flaking and loading method and apparatus. First and second pairs of cutting heads have cutting heads spaced apart to receive a log passed therebetween and thereby to cut two substantially parallel sides. The log is first cut by the first pair of cut... | 12/18/2001 |
| 6296029 | Centering sectional shoe assembly A method and apparatus for improved centering of a workpiece in a planer machine includes centering sectional shoe assembly positioned in close proximity to opposed cutting heads, between the cutting heads and a centering feed assembly. The shoe assembly ... | 10/02/2001 |
| 6148884 | Low profile hardwood flooring strip and method of manufacture A method of producing a hardwood flooring product, including the steps of processing a strip of raw wood into a blank having a predetermined thickness and width, and top and bottom surfaces defining parallel planes relative to each other, and splitting th... | 11/21/2000 |
| 6029722 | Shaping machine A shaping machine has at least one rotatably driven spindle having a conical receiving opening. A tool is provided. A conical member is mounted in the receiving opening, wherein the tool is secured by the conical member to the spindle. A clamping device c... | 02/29/2000 |
| 5795113 | Optical unit for image projection and tool incorporating same An optical unit for projecting an image including first and second locating lines for substantially eliminating the introduction of visual parallax error. In one preferred form, the optical unit is incorporated into a machine for performing a forming oper... | 08/18/1998 |
| 5597024 | Low profile hardwood flooring strip and method of manufacture A method of producing a hardwood flooring product, including the steps of processing a strip of raw wood into a blank having a predetermined thickness and width, and top and bottom surfaces defining parallel planes relative to each other, and splitting th... | 01/28/1997 |
| 5477899 | Machine tool for machining workpieces mad of wood, plastic, etc. A machine tool for machining a workpiece fed in a transporting direction through the machine tool has a support surface for the workpiece and at least one upper rotary tool positioned above the support surface. At least one lower rotary tool is positioned... | 12/26/1995 |
| 5447186 | Chipping canter A chipping canter is provided for producing four-sided cants from curved logs. It allows the slabbing heads thereof to follow the natural curvature of the logs for obtaining cants having a maximum cross-sectional area and length. Each log is flatly dispos... | 09/05/1995 |
| 5396938 | Apparatus and method for producing surfaced lumber Apparatus and method for, in one continuous operation, receiving a slab sawn from a log, sensing the thickness of the slab and setting the apparatus to plane its upper and lower surfaces to produce a desired thickness slab which then is sawn into boards o... | 03/14/1995 |
| 5368077 | Zero lead planer A planer is improved by recognizing the source of instability of a board relative to a guidebar. An angled relationship between feed roller force the guidebar and holds the board against the guidebar. Traditional cutting heads urging the board in the oppo... | 11/29/1994 |
| 5345983 | Four sided alternating woodworking planer with two sided copying system A woodworking planer having a main frame, a carriage slidingly mounted on the main frame to provide alternating longitudinal movement, a workpiece locking device also provided on the main frame for releasingly securing a workpiece in a fixed position rela... | 09/13/1994 |
| 5127454 | Molding machines for woodworking In a through feed molder, each tool is mounted to a slide and provided with a dust hood that also carries two conventional hold-down guides, rigidly attached, one on each side of the hood. A mechanism operating between the hood and the slide permits match... | 07/07/1992 |
| 5090460 | Molding machines for woodworking In a through feed molder, at least one of the horizontal tools is equipped with a dust hood that also carries the two-hold-down guides rigidly attached one on each side. The hood is connected to the tool slide by way of a mechanism that permits matching o... | 02/25/1992 |
| 4991636 | Timber planing machines A machine for planing lengths of timber comprises mutually perpendicular spindles for cutter blocks (7,8). The spindle carrying the cutter block (8) extends below a machine bed (1). The spindle carrying the cutter block (7) extends across the bed (1). A c... | 02/12/1991 |
| 4932448 | Method of truing-up the four faces of a piece of wood exhibiting squared section, and a machine unit for the implementation of such a method The four sides of a batten are thicknessed and surfaced using a machine unit with a succession of tools driven by one motor and rotating horizontally throughout: a bottom planing tool incorporating a first trimming cutter at one end, a first surfacing cut... | 06/12/1990 |
| 4842029 | Woodworking machine A carrier (12) is laterally displaceable on the feed table (2) of the machine on a track (13) slidable in a track bed (11), the lateral position being adjustable by means of an acutating means (16) connected to a spindle. Lower and upper woodworking units... | 06/27/1989 |
| 4724877 | Self centering planer apparatus A blade planer utilizes a centering mechanism to locate the centerline of lumber on the datum plane intermediate a pair of offset blade planer heads. The centering mechanism includes a plurality of opposed shoes which are hydraulically or mechanically lin... | 02/16/1988 |
| 4549586 | Device for shaving wood with cylinder saws With a cylinder saw arranged rotatably in a machine frame, only circular profiles are sawed out of boards and beams. This cylinder saw possesses a toothed arrangement, at least on the front side, and is rotatably supported by support and guide rollers in ... | 10/29/1985 |
| 4512114 | Method for high tooth equalization of cutters Methods and apparatus for equalizing the effective radii of multiple cutting elements on a power-driven spindle of a machine tool. A fixture carrying an abrasive stone is placed upon a pre-existing workpiece supporting or guiding surface in the machine to... | 04/23/1985 |
| 4476906 | Yielding pressure bar for wood planing machines A wood planar having a cutterhead with a top pressure bar in spaced horizontal relation to the cutterhead. A chipbreaker may be mounted in advance and adjacent to the cutterhead in spaced relation above a bed plate mounted for supporting a board to be pla... | 10/16/1984 |
| 4438795 | Flexible platen planer The invention provides a planing device for planing two opposite sides of a workpiece which has a flexible and continuous lower platen cantilevered from its frame. The platen has its free end flexed upward by a pneumatically actuated lever, and cooling pa... | 03/27/1984 |
| 4323099 | Wood finishing machine A wood finishing machine having a plurality of finishing devices, such as sanding wheels or the like, disposed on opposite sides of and above a horizontal table over which a workpiece is fed so as to be acted upon by each of the finishing devices. Each of... | 04/06/1982 |
| 4230163 | Log-planing machine Apparatus for surface cutting logs to provide a finished surface corresponding to the natural surface contour of the log or to impart a predetermined distinctive surface contour thereto and a method of effecting such surface contouring; said apparatus com... | 10/28/1980 |
| 4196760 | Material feeding machine A machine for making wood moldings includes an endless feed belt extending downstream from the upper face cutter head for holding short lengths of wood pieces securely between the working stretch of the feed belt and the underlying bed plate and deliverin... | 04/08/1980 |
| 4174007 | Machine for the production of shaped parts Machine for fabricating shaped parts, such as chair legs in particular, into which the parts to be shaped are positioned by means of a suitable loader. The parts are moved along a substantially straight path and movable tools are movable at right angles t... | 11/13/1979 |
| 4167961 | Planer and groover A machine for planing and grooving a workpiece, such as a log, in a single pass, comprising a frame, a top grooving cutter adjacent one end of the frame, a top planing cutter and a bottom planing cutter in the frame, and a bottom grooving cutter adjacent ... | 09/18/1979 |
| 4137956 | Wood incisor A wood incisor for perforating the surfaces of a rectangularly cross-sectioned elongate board preparatory to preservative treatment is comprised of sets of paired horizontal and vertical drums arranged in a manner to provide a rectangular passageway of ad... | 02/06/1979 |
| 4077449 | Copy milling machine A copy milling machine for producing a series of identically shaped wooden products, for instance parts of furniture, starting from mainly identical workpieces, said machine comprising a template, two swingably mounted and rotatably driven milling cutters... | 03/07/1978 |
| 3965948 | Planing machine A wood working machine, particularly a planing machine, including a frame and, carried by the frame, a number of independent machine units or assemblies removably mounted in a compact array which facilitates enclosure of said array on all sides together w... | 06/29/1976 |