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Class Information
Number: 348/85
Name: Television > Special applications > Hazardous or inaccessible > Borehole
Description: Subject matter wherein the inaccessible environment is a hole drilled in the earth (e.g., an exploratory well).
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7619646 |
System and method to illuminate and image the inside diameter of a stent |
Nov. 17, 2009 |
| 7513603 |
Printhead assembly with ink inlet valve |
Apr. 7, 2009 |
| 7391433 |
Monitoring system for hostile environment |
Jun. 24, 2008 |
| 7283155 |
Camera actuator system |
Oct. 16, 2007 |
| 7233252 |
Method and system of sewer scanning for water conservation |
Jun. 19, 2007 |
| 7187784 |
Borescope for drilled shaft inspection |
Mar. 6, 2007 |
| 7164436 |
Liquid ejection apparatus |
Jan. 16, 2007 |
| 7092004 |
Method and arrangement for inspecting sewer pipes |
Aug. 15, 2006 |
| 7062072 |
Methods of producing images of underground formations surrounding a borehole |
Jun. 13, 2006 |
| 7002620 |
Single camera video inspection system for water wells and bore holes |
Feb. 21, 2006 |
| 6985606 |
Method for identifying sedimentary bodies from images and its application to mineral exploration |
Jan. 10, 2006 |
| 6958767 |
Video pipe inspection system employing non-rotating cable storage drum |
Oct. 25, 2005 |
| 6704436 |
Method of obtaining a developed two-dimensional image of the wall of a borehole |
Mar. 9, 2004 |
| 6697102 |
Bore hole camera with improved forward and side view illumination |
Feb. 24, 2004 |
| 6690350 |
Rotating element sheet material with dual vector field addressing |
Feb. 10, 2004 |
| 6630947 |
Method for examining subsurface environments |
Oct. 7, 2003 |
| 6580449 |
Borehole inspection instrument having a low voltage, low power fiber optic light-head |
Jun. 17, 2003 |
| 6516080 |
Numerical method of estimating physical properties of three-dimensional porous media |
Feb. 4, 2003 |
| 6374669 |
Water influx identification |
Apr. 23, 2002 |
| 6313869 |
J nozzle articulating camera system |
Nov. 6, 2001 |
| 6229563 |
Camera insertion into a furnace |
May. 8, 2001 |
| 6229453 |
Method to transmit downhole video up standard wireline cable using digital data compression techniques |
May. 8, 2001 |
| 6226032 |
Crystal diameter control system |
May. 1, 2001 |
| 6115061 |
In situ microscope imaging system for examining subsurface environments |
Sep. 5, 2000 |
| 6009189 |
Apparatus and method for making accurate three-dimensional size measurements of inaccessible objects |
Dec. 28, 1999 |
| 5936664 |
Apparatus for video inspection of the interior surface of tubular goods |
Aug. 10, 1999 |
| 5903306 |
Constrained space camera assembly |
May. 11, 1999 |
| 5790185 |
Video inspection or logging tool |
Aug. 4, 1998 |
| 5754220 |
Apparatus for inspecting the interior of pipes |
May. 19, 1998 |
| 5717455 |
System and method for three dimensional image acquisition and processing of a borehole wall |
Feb. 10, 1998 |
| 5712677 |
Apparatus for video inspection of the interior surface of tubular goods |
Jan. 27, 1998 |
| 5663758 |
Instrument probe having a back-lighted camera |
Sep. 2, 1997 |
| 5652617 |
Side scan down hole video tool having two camera |
Jul. 29, 1997 |
| 5633675 |
Shadow probe |
May. 27, 1997 |
| 5604532 |
Apparatus and method for insitu inspection of pressurized vessels |
Feb. 18, 1997 |
| 5535286 |
Error detection in seismic data |
Jul. 9, 1996 |
| 5440081 |
System and method of protecting optical elements from down-hole fluids |
Aug. 8, 1995 |
| 5402165 |
Dual lighting system and method for a video logging |
Mar. 28, 1995 |
| 5287740 |
Method for locating and examining cavities under paved roads |
Feb. 22, 1994 |
| 5275038 |
Downhole reeled tubing inspection system with fiberoptic cable |
Jan. 4, 1994 |
| 5140319 |
Video logging system having remote power source |
Aug. 18, 1992 |
| 5134471 |
System for monitoring the walls of a borehole using a video camera |
Jul. 28, 1992 |
| 5107705 |
Video system and method for determining and monitoring the depth of a bottomhole assembly within a wellbore |
Apr. 28, 1992 |
| 4938060 |
Downhole inspection system |
Jul. 3, 1990 |
| 4862253 |
Apparatus for converting a video processor |
Aug. 29, 1989 |
| 4855820 |
Down hole video tool apparatus and method for visual well bore recording |
Aug. 8, 1989 |
| 4774573 |
Method and apparatus for generating a video display from signals produced by borehole scanning |
Sep. 27, 1988 |
| 4331975 |
Instrumentation for surveying underground cavities |
May. 25, 1982 |
| 4238158 |
Visual investigation method |
Dec. 9, 1980 |
| 4113036 |
Laser drilling method and system of fossil fuel recovery |
Sep. 12, 1978 |
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