...that on Dec. 15, 1836, the Patent Office was completely destroyed by fire? Lost were some 7,000 models, 9,000 drawings, and 230 books plus all records of patent applications and grants.
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| Number | Title | Issue Date |
| 7993092 | Moving carrier for lead frame and method of moving lead frame using the moving carrier Provided are a moving carrier for a lead frame, and a method of moving a lead frame using the moving carrier. The moving carrier includes a base which supports the lead frame including a body and a chip attach pad on which a chip is disposed. The moving carrier incl... | 08/09/2011 |
| 7275897 | Drilling machine for panels A drilling machine for drilling variable-thickness on-edge supported wood, plastics material, aluminum panels, comprises a bottom intermittent conveyor for abutting against a bottom edge of a panel and horizontally conveying a panel to be processed to a tool bearing... | 10/02/2007 |
| 7032871 | Linear adjustment device and linear adjustment system incorporating the device and method of use Disclosed herein is a linear adjustment device for altering the position of a load comprising, wherein the linear adjustment device comprises a positioning mechanism comprising: a rod; a first pipe slidably engaged with the rod; and a second pipe slidably engaged wi... | 04/25/2006 |
| 6910847 | Precision polar coordinate stage A polar coordinate stage that may be used in a chamber includes a rotating chuck that moves in a linear direction and has the motors that drive the motion of the chuck outside the chamber. The stage can include a linkage of arms to support and drive the linear motio... | 06/28/2005 |
| 6853874 | Variable-width substrate conveyor, method of changing width of the same, and method of matching widths of two adjacent substrate conveyors A method of changing a width of a variable-width substrate conveyor including a feeding device for feeding a circuit substrate along the guide rails, a pair of guide rails having guide surfaces for guiding the circuit substrate being fed by the feeding device, in a ... | 02/08/2005 |
| 6732610 | Slide apparatus and its stage mechanism for use in vacuum The XY stage mechanism comprises a Y slide shaft 2 penetrating through only one side surface of the wall surfaces of a vacuum chamber 1 for holding a stage base plate in a cantilevered manner, a Y air slide bearing 4 for guiding the Y slide shaf... | 05/11/2004 |
| 6557235 | Bi-axial coplanar apparatus An apparatus comprising a frame, a mobile platform and first and second linearly-actuated slides supported on a base connected to the frame. The first and second slides are movable along a line defining a first axis. The apparatus may include a first driv... | 05/06/2003 |
| 6545440 | High precision cartesian robot for a planar scanner A Cartesian robot comprises a base member disposed along an x-axis, a transverse member moveably mounted to the base member, and disposed along a y-axis transverse to the x-axis. The robot has a y-carriage for a measurement probe moveably mounted to the t... | 04/08/2003 |
| 6434264 | Vision comparison inspection system A vision comparison inspection system is disclosed for use in a printed circuit assembly production line having a plurality of component processing locations and a conveyor system for transporting circuit assemblies between processing locations in an upst... | 08/13/2002 |
| 6428267 | Pick and place device having two parallel axes An apparatus and method for picking and placing an object is disclosed. The apparatus includes an elongated frame, first and second carriages slidingly engaged with the frame, first and second connecting rods pivotally engaged with the first carriage at o... | 08/06/2002 |
| 6325591 | Device for handling objects The disclosure relates to a device for handling objects to package the same. The handling device comprises a lifting head (17) placed in an extension arm (16) having multiple levers (59, 60, 61), with ends (62, 67) placed on linear drives (63, 68) that ca... | 12/04/2001 |
| 6009916 | Mounting and positioning apparatus for a leno selvage former A leno selvage former is supported by a mounting for position adjustments in the three directions of a three-dimensional rectangular coordinate system and preferably also for an angular position adjustment about at least one rotational axis. For this purp... | 01/04/2000 |
| 5980192 | Table feeder A table feeder apparatus comprises a base, a feed screw rotatably supported on the base and a motor for rotating the feed screw about a feed axis. A feed nut is mounted on the feed screw and a block is mounted integrally with the feed nut. A table is disp... | 11/09/1999 |
| 5967740 | Device for the transport of objects to a destination A device for transporting objects to a destination has the aim of providing an economical and simplified design of a technical solution for transferring containers in an ergonomic manner such that the operating processes are substantially facilitated. A t... | 10/19/1999 |
| 5964569 | Panel positioning device An improved panel positioning device which can be easily and accurately regulated by linearly regulating a heightwise displacement of the panel. A panel is mounted to an upper portion of a holder, and the holder is pivotally mounted to a holder support pl... | 10/12/1999 |
| 5746567 | Tool mount for moving elements An improved tool mount structure allows the infinite placement of a tool along a generally elongate cylindrical member at an infinite number of locations. The elongate cylindrical member is fixed at each axial end to a generally rigid moving member such a... | 05/05/1998 |
| 5692876 | Hydrostatic transmission for end dog carriage drive A log carriage system including a pair of carriages (10, 12) mounted for linear movement along a conveyor track. A pair of linear hydraulic motors (32, 44) each include a piston rod (30, 42) for both clamping and linear transfer of a log. A reversible hyd... | 12/02/1997 |
| 5547330 | Ergonomic three axis positioner A positioner for moving an article along three mutually perpendicular axes includes a first slide coupled to a second slide by a first sliding joint, a third slide coupled to the second slide by a second sliding joint, and a base plate coupled to the thir... | 08/20/1996 |
| 5330301 | Loading mechanisms A processing apparatus 10 has chambers 11 and 12 and a loading mechanism 13 for transferring workpieces into and out of the chambers. The workpieces are carried on a pallet 16 which is slotted so that, when it is inserted into the chambers 11 or 12 the sl... | 07/19/1994 |
| 4752181 | Method and arrangement for the automatic transfer and clamping of workpieces A method for the automatic, correctly positioned transfer and clamping of workpieces, especially rotationally-symmetrical, thin-walled workpieces, which are imparted on interdependent finishing or processing on both sides thereof in a machining work stati... | 06/21/1988 |
| 4643627 | Vacuum transfer device A vacuum transfer device includes a central processing chamber and a plurality of additional chambers radially positioned around the central chamber and in vacuum-tight connection therewith. A rotatable coulisse arrangement in the central chamber is exten... | 02/17/1987 |
| 4239445 | Positioning apparatus for transferring pallets A pallet positioning apparatus including a bed having guide members mounted thereon which define a pallet transfer path. A pallet traveling along the guide members includes a positioning pin on the lower surface of the pallet. A positioning lever rotatabl... | 12/16/1980 |
| 4130205 | Loading arm A loading arm apparatus having a displaceable main shaft formed as a fluid operable cylinder with a fixed piston which may be clamped at any position along its displacement by a fluid operable clamping means operable against its wall. A guide rod placed i... | 12/19/1978 |