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| Number | Title | Issue Date |
| 8028428 | Target for surveying An Improved target for surveying has a body including a connector member, a stem member connecting the connector member to the body, a spirit level member connected to a surface of the body, a rod member extending vertically from a top side of the body, and a horizo... | 10/04/2011 |
| 7707733 | Level vial support for a geomatics pole A support unit for a level indicator capable of being mounted on a geomatic pole, such as a prism pole or a GPS pole. A housing of the support unit is mounted on the geomatic pole. A first holder in the housing holds the level indicator and a second holder holds a t... | 05/04/2010 |
| 7401414 | Sensitive ground surface tiltmeter The invention relates to a geoscientific observation technology, especially relates to a ground surface tiltmeter by using microscope for micro measuring. In order to solve the problems such as low reading accuracy and enormous error of the traditional ground surfac... | 07/22/2008 |
| 7321215 | Wireless 3D auto-offset system for robot arms A wireless 3D auto-offset system for robot arms is provided. The wireless 3D auto-offset monitor sensor of the system includes an electronic leveling sensor, a Z-axis optical scale, and an XY-axes CCD monitor sensor for monitor and judgment of level states, offsets,... | 01/22/2008 |
| 7273198 | Support stand assembly and method One or more support stand assemblies are utilized for mounting functional equipment or creating a barrier on variable surfaces or a surface which may be sloped. Each support stand preferably includes a support post configured to be releaseably secured to a stabilize... | 09/25/2007 |
| 7272891 | Automatic plumbing device This invention relates to an automatic or self plumbing device and method for maintaining survey or data collection or reflection equipment in a vertical plumb position despite horizontal and/or vertical changes of position of the device or vehicle with the device a... | 09/25/2007 |
| 7266898 | Laser level A light detector which includes a housing having front and rear walls, a light receiving section disposed on the front wall, and displays disposed on the front and rear walls for showing the location of received light relative on the light receiving section. Also di... | 09/11/2007 |
| 7200946 | Alignment apparatus An alignment apparatus includes a central leg element and one or more secondary support leg elements in operative communication with the central leg element for providing support thereto. A sighting device rotatably attached to the central leg element includes an op... | 04/10/2007 |
| 7047960 | Bow stabilization device The present invention involves a compound bow sound dampening, stabilization and rest device which mounts to the front of a compound bow through the standard stabilizer bar connector ( 5/16-inch by #24 threaded bolt receiver). The bow stabilization device then conne... | 05/23/2006 |
| 7048241 | Geomatic support having hinged legs with hinge lock A support capable of supporting geomatic equipment has hinged legs which allow the legs to pivot about a horizontal axis to selected positions. A hinge lock associated with each of the legs allows the leg to be locked in the selected angular position. Locking of the... | 05/23/2006 |
| 7000328 | Surveyor's tool A surveyor's tool to facilitate the measurement of the elevation of an invert within a manhole includes a rod with a dimensioning along its length. The tool further includes a slide moveable with respect to said rod. The slide includes a pair of opposing arms, the a... | 02/21/2006 |
| 6813855 | Gun sight reticle alignment Apparatus for correcting the rotation of canted reticle cross hairs in the sighting scope of a firearm is disclosed and is comprised of a vertical reference sub-assembly and a separate firearm level sub-assembly which are utilized together to properly position and o... | 11/09/2004 |
| 6772526 | Surveying pole A light weight surveying pole which is of robust and highly accurate construction. A lock for fixing telescoping sections of the pole provides fixed positioning without high initial clamping forces. An air cushion system inhibits damaging the pole sections when they... | 08/10/2004 |
| 6763599 | Plumb bob apparatus A plumb bob apparatus comprises a rigid surface mount member for coupling at a proximal end to a surface. The surface mount member is rotatable about its axis. The plumb bob apparatus further includes a rigid device support member for pivotally coupling at a proxima... | 07/20/2004 |
| 6711826 | Pole section for surveying equipment A light weight surveying pole which is of robust and highly accurate construction. The pole may include two or more pole sections which may be screwed together to make a longer pole. Fittings for use in screw-together pole sections are constructed to permit location... | 03/30/2004 |
| 6688012 | Surveying pole with telescoping sections A light weight surveying pole which is of robust and highly accurate construction. A lock for fixing telescoping sections of the pole provides fixed positioning without high initial clamping forces. An air cushion system inhibits damaging the pole section... | 02/10/2004 |
| 6237235 | Electronic level and process for video sighting An electronic level comprising a clinometer, an image receiving device having a telescope with an objective and with a CCD receiver matrix and with a screen for displaying the image of a graduated staff which is set up at a target and provided with a code... | 05/29/2001 |
| 6085434 | Telescoping measuring device A measuring device (20), having an outer base arm (22), an end arm (24), a plurality of intermediate arms (26, 28, 30, 32, 34), and a sequential deployment assembly (36), is utilized to take internal measurements with a high degree of accuracy. The sequen... | 07/11/2000 |
| 5915810 | Telescoping measuring stick with air damped closure and frictional locking A fixed length telescoping measuring stick that is self supporting and includes an inner telescoping ruler and two-way level combination. A divided encasement comes together via an air-damped cushion provided by a controlled release air lock that is autom... | 06/29/1999 |
| 5701679 | Prism support A prism support for stabilizing a prism against a generally vertical fixed surface has a first elongate member removably mountable onto an upper end of a range pole so as to be generally aligned with the range pole when the first elongate member is mounte... | 12/30/1997 |
| 5680208 | Gravity oriented laser scanner A laser scanner 50 includes a laser 76 affixed to a pendulum 66 with a damper 80 for damping the movement of the pendulum 66. The laser scanner 50 is controllable through a remote control 62 for positioning the laser beam as desired. Both horizontal and v... | 10/21/1997 |
| 5579585 | Free axis alignment apparatus and method for use An apparatus that projects the horizontal and vertical axis of an object to be aligned for ready sighting by survey instruments is disclosed. The device consists of a v-frame with a rotatable head to which a target platform for mounting a vertical or hori... | 12/03/1996 |
| 5459934 | Sight rod level A circular target type bubble level slides easily onto and off of a standard surveyor's sight rod. When slid into position at any desired elevation on the rod for optimal viewing and released, the device automatically assumes a position such that the indi... | 10/24/1995 |
| 5446968 | Strut height adjusting apparatus A strut height adjusting apparatus for adjusting the height of a strut automatically and simultaneously to measure the height of a floor while ensuring the perpendicularity of the strut with a warning sound or other indication. The strut height adjusting ... | 09/05/1995 |
| 5400516 | Holder and stand for plumb finder ruler and surveyor's rod An adjustable stand developed to facilitate an accurate measurement of vertical distances from a surface, on which at least one leg of the stand rests to a given point above that surface. The surface may be either ground surface or a surveyor's hub on a s... | 03/28/1995 |
| 5272814 | Device for defining a horizontal plane A device for defining a plane to determine relative elevations comprising in combination a stationary housing (7) having an aperture (8) and locating a pair of vertical reflecting surfaces (6) at right angles to each other which may be a pair of mirrors (... | 12/28/1993 |
| 5255441 | Prism pole for a surveying system The prism pole consists of an extensible aluminum pole that can be adjusted between a length of 30 and 47 inches. The pole has a hardened steel point on one end thereof and a prism assembly on its opposite end. The prism pole also has a steel point mounte... | 10/26/1993 |
| 5224271 | Leveling test apparatus and method for optical instrument This invention is a test apparatus and method for noting whether the axis of sight of an optical instrument is parallel to the axis of a horizontal bubble level of that instrument. The apparatus has: (1) a vertically elongated first scale facing in one di... | 07/06/1993 |
| 5113589 | Football exact yard marker and method for use A device for making the location of a football on a football field comprising a large view container having two opposite sides containing see through material and having a vertical line on both sides of the see through material, a spirit level under the c... | 05/19/1992 |
| 5062753 | Survey nail A nail structure for providing a support surface for subsequent mounting and positioning of elevational rods for utilization particularly in surveying situations. The nail structure includes a first and second spike member orthogonally mounted to a lower ... | 11/05/1991 |
| 4926561 | Tripod stand for a surveyor's rod A portable stand having a frictionally adjustable receiver for a surveyor's rod permits plumbing of the rod and maintains the rod vertical and stationary with respect to a point on the ground.... | 05/22/1990 |
| 4879816 | Combination range pole and bubble-level therefor A surveyors' range pole comprises a bubble level that is attached to the web of a length of channel. When the pole sections are assembled a threaded pin of one of the sections is passed through a hole in the web, locking the channel between two sections.... | 11/14/1989 |
| 4567669 | Blue top setting device A first rod includes a relative elevation scale and a first fluid container vertically adjustable with respect to the relative elevation scale to a position corresponding to a desired elevation relative to the base of the first rod, and a second rod inclu... | 02/04/1986 |
| 4430804 | Device for setting inclination A device for setting the inclination of a reference object such as a mirror or the like, used as a reference for lining up, levelling in, etc. The mirror (10) is rotatably balanced about an axle (12) and a portion thereof below said axle is provided with ... | 02/14/1984 |
| 4400888 | Instrument for levelling An instrument for use when levelling and when laying-out right angles comprises upright mirrors (1) which intersect each other at right angles and are carried on a frame structure (2) that is adjustable relative to the horizontal plane, said mirrors havin... | 08/30/1983 |
| 4346993 | Pull-through structure for measuring the curvature of the internal wall of a pipe or tube A pull-through structure for measuring the flexure of a pipe or tube such as, for example, a gun barrel. The pull-through structure includes a laser beam detector which is freely swingably mounted in a casing forming part of the pull-through structure. Th... | 08/31/1982 |
| 4343090 | Suspension device for angle indicator A suspension device for an angle indicator intended to indicate the angle of an object to the vertical line and comprising two angle-indicating devices designed each to indicate a predetermined angle to the vertical line and located in two planes perpendi... | 08/10/1982 |
| 4319406 | Laser targets for roller alignment To align pipe mill rollers and the like both vertically and axially, targets are clamped to the rolls. Each target carries a block formed with a hole, which hole is a fixed distance above the surface of the target which engages the edges of a roll. The bl... | 03/16/1982 |
| 4290207 | Surveying instrument A device for holding a surveying instrument plumb and level. The device is attached to a tripod, and a clamp holds a slide bar which, in turn, is affixed to a clip bar. A range pole or other surveying instrument is held by the clip bar and a level is also... | 09/22/1981 |
| 4146969 | Surveyor's rod A surveyor's rod apparatus including a plurality of sections which may be selectively connected together in end-to-end relationship to provide an elongated surveyor's rod that is visible over relatively long distances regardless of obstructions including ... | 04/03/1979 |
