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Class Information
Number: 33/1H
Name: Geometrical instruments > Miscellaneous > Earth
Description:










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8668079 Alignment and bracing assembly for a bucket elevator and method of using the same Mar. 11, 2014
8579045 Rock drilling device and drill rig incorporating a device for measuring the location of the drilling machine Nov. 12, 2013
8438742 Physical template for deploying an earth-based sensor network May. 14, 2013
8061050 Hydrostatic sensor device and method for measuring below-ground elevation changes in grade Nov. 22, 2011
8028433 Method and device for measuring the inclination of a roadway Oct. 4, 2011
7591079 Gauge for determining angle of sloped ground and method of using same Sep. 22, 2009
7506448 Layout clip and method of use Mar. 24, 2009
7472492 Stencil assembly for marking pavement grade levels Jan. 6, 2009
7401414 Sensitive ground surface tiltmeter Jul. 22, 2008
7228639 Invert measuring device Jun. 12, 2007
7191528 Column placement template Mar. 20, 2007
7103986 Adjustable agricultural marker system and method of manufacture Sep. 12, 2006
7055251 Column placement template Jun. 6, 2006
6904690 Pipe size identifier and measuring tool Jun. 14, 2005
6901679 Sprinkler spacer system Jun. 7, 2005
6893365 Home plate tape measure May. 17, 2005
6877241 Measurement of curvature of a subsurface borehole, and use of such measurement in directional drilling Apr. 12, 2005
6845563 Method and device for the measurement of the drift of a borchole Jan. 25, 2005
6718648 Method and apparatus for measuring a length of a pressed pile Apr. 13, 2004
6550151 Contour measuring device and method Apr. 22, 2003
6530154 Method to detect deviations from a wellplan while drilling in the presence of magnetic interference Mar. 11, 2003
6457246 Mounting and switching of survey apparatus Oct. 1, 2002
6421926 Stringline guide system Jul. 23, 2002
6334260 Strata movement indicators Jan. 1, 2002
6298574 Bituminous paving depth gauge Oct. 9, 2001
6247243 Turf inspection instrument and method Jun. 19, 2001
6205946 Earthen material integrity sensing device Mar. 27, 2001
6202315 Surveying spike for use on vertical surfaces Mar. 20, 2001
6178651 Reusable batter board support Jan. 30, 2001
6125944 Telescoping field marker Oct. 3, 2000
6085432 Positioning device Jul. 11, 2000
6079114 Telescoping marker arm Jun. 27, 2000
6026586 Powder coating thickness gauge Feb. 22, 2000
5878505 Device for marking a measuring point Mar. 9, 1999
5791058 Infrastructure inspection method Aug. 11, 1998
5778546 Construction alignment apparatus and method Jul. 14, 1998
5685082 Adjustable grade stick and method of using same Nov. 11, 1997
5657548 Support for measuring cord Aug. 19, 1997
5542788 Method and apparatus for monitoring mine roof support systems Aug. 6, 1996
5542190 Bifold field marker Aug. 6, 1996
5539986 Device and method for remote sensing of rock movements in mines Jul. 30, 1996
5509374 Structure motion monitor Apr. 23, 1996
5467729 Buried marker Nov. 21, 1995
5450678 Grass length measuring device Sep. 19, 1995
5408756 Bifold field marker Apr. 25, 1995
5345685 Strata movement indicator Sep. 13, 1994
5333391 Garden marker apparatus Aug. 2, 1994
5325798 Planting spacer and planting depth defining device Jul. 5, 1994
5309644 Sewer invert elevation measuring instrument May. 10, 1994
5284107 Cable bolt monitoring device Feb. 8, 1994

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