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Class Information
Number: 33/1H
Name: Geometrical instruments > Miscellaneous > Earth
Description:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 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 |
| 5542190 |
Bifold field marker |
Aug. 6, 1996 |
| 5542788 |
Method and apparatus for monitoring mine roof support systems |
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 |
| 5255561 |
Apparatus for measuring smoothness |
Oct. 26, 1993 |
| 5216922 |
Slope monitoring device |
Jun. 8, 1993 |
| 5068970 |
Apparatus for facilitating roadway grade measurements |
Dec. 3, 1991 |
| 5060735 |
Device for positioning of a drill bit |
Oct. 29, 1991 |
| 5035060 |
Method of mapping underground mines |
Jul. 30, 1991 |
| 4932134 |
Adjustable foundation locating device |
Jun. 12, 1990 |
| 4930223 |
Bend detector pig |
Jun. 5, 1990 |
| 4913499 |
Equipment and method for measuring convergence |
Apr. 3, 1990 |
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