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Class Information
Number: 33/295
Name: Geometrical instruments > Straight-line light ray type > Rod or target > With leveling or plumbing adjunct
Description: Device including means responsive to terrestrial gravity for use in aligning the rod vertically or horizontally with respect to a defined reference point.










Patents under this class:

Patent Number Title Of Patent Date Issued
8711369 Laser receiver for detecting a relative position Apr. 29, 2014
8028428 Target for surveying Oct. 4, 2011
7707733 Level vial support for a geomatics pole May. 4, 2010
7699284 Three axes adjustable foundation target mount Apr. 20, 2010
7669342 Level for a geomatics target device Mar. 2, 2010
7487948 Support for survey rod Feb. 10, 2009
7401414 Sensitive ground surface tiltmeter Jul. 22, 2008
7272891 Automatic plumbing device Sep. 25, 2007
6813855 Gun sight reticle alignment Nov. 9, 2004
6772526 Surveying pole Aug. 10, 2004
6763599 Plumb bob apparatus Jul. 20, 2004
6711826 Pole section for surveying equipment Mar. 30, 2004
6688012 Surveying pole with telescoping sections Feb. 10, 2004
6237235 Electronic level and process for video sighting May. 29, 2001
6085434 Telescoping measuring device Jul. 11, 2000
5915810 Telescoping measuring stick with air damped closure and frictional locking Jun. 29, 1999
5701679 Prism support Dec. 30, 1997
5680208 Gravity oriented laser scanner Oct. 21, 1997
5579585 Free axis alignment apparatus and method for use Dec. 3, 1996
5459934 Sight rod level Oct. 24, 1995
5446968 Strut height adjusting apparatus Sep. 5, 1995
5400516 Holder and stand for plumb finder ruler and surveyor's rod Mar. 28, 1995
5272814 Device for defining a horizontal plane Dec. 28, 1993
5255441 Prism pole for a surveying system Oct. 26, 1993
5224271 Leveling test apparatus and method for optical instrument Jul. 6, 1993
5113589 Football exact yard marker and method for use May. 19, 1992
5062753 Survey nail Nov. 5, 1991
4926561 Tripod stand for a surveyor's rod May. 22, 1990
4879816 Combination range pole and bubble-level therefor Nov. 14, 1989
4567669 Blue top setting device Feb. 4, 1986
4430804 Device for setting inclination Feb. 14, 1984
4400888 Instrument for levelling Aug. 30, 1983
4346993 Pull-through structure for measuring the curvature of the internal wall of a pipe or tube Aug. 31, 1982
4343090 Suspension device for angle indicator Aug. 10, 1982
4319406 Laser targets for roller alignment Mar. 16, 1982
4290207 Surveying instrument Sep. 22, 1981
4146969 Surveyor's rod Apr. 3, 1979
4095347 Sighting in apparatus for rifle mounted telescope gunsights Jun. 20, 1978
4031633 Scale for use in measuring and straightening damaged vehicles in a so-called vehicle alignment apparatus Jun. 28, 1977











 
 
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