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Class Information
Number: 405/181
Name: Hydraulic and earth engineering > Subterranean or submarine pipe or cable laying, retrieving, manipulating, or treating > By means advancing along terrain and guiding pipe or cable into subterranean position > Including trench forming plow with pipe or cable guide > With depth adjustment
Description: Method or apparatus wherein the plowlike tool can be adjusted relative to its supporting structure whereby the vertical dimension of the trench can be selectively varied.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7607863 |
Automated pipe-laying method and apparatus |
Oct. 27, 2009 |
| 7524142 |
Subsurface installation of tubing |
Apr. 28, 2009 |
| 6299381 |
Trencher plow for laying pipe |
Oct. 9, 2001 |
| 6189244 |
Self-cleaning narrow ditch trencher and flexible tile installer |
Feb. 20, 2001 |
| 6186242 |
Depth gauge for a vibratory plow |
Feb. 13, 2001 |
| 6183163 |
Method and apparatus for laying out a pipeline |
Feb. 6, 2001 |
| 6061932 |
Steerable underwater plow with movable body member |
May. 16, 2000 |
| 5988948 |
Underwater plough and method for varying ploughing depth |
Nov. 23, 1999 |
| 5741088 |
Apparatus for underground excavation |
Apr. 21, 1998 |
| 5320451 |
Cable laying attachment for tiller |
Jun. 14, 1994 |
| 5108229 |
Pipe installer and method for installation of pipe |
Apr. 28, 1992 |
| 5090141 |
Adjustable blade holder |
Feb. 25, 1992 |
| 4904116 |
Apparatus for making tunnels in the ground and for laying supply lines |
Feb. 27, 1990 |
| 4892443 |
Cable plow |
Jan. 9, 1990 |
| 4871281 |
Trenching tool for installing perforated pipe |
Oct. 3, 1989 |
| 4741646 |
Machine for laying conduct and methods for use thereof |
May. 3, 1988 |
| 4714381 |
Machine for laying conduit and methods for use thereof |
Dec. 22, 1987 |
| 4655639 |
Plough |
Apr. 7, 1987 |
| 4637755 |
Apparatus for burying conduit |
Jan. 20, 1987 |
| 4461598 |
Machine for installing drip irrigation conduit |
Jul. 24, 1984 |
| 4447173 |
Apparatus for burying drip irrigation tubing |
May. 8, 1984 |
| 4410297 |
Marine continuous pipe laying system |
Oct. 18, 1983 |
| 4293238 |
Ditchless drainlayer |
Oct. 6, 1981 |
| 4269541 |
Implement for the laying of cables and the like |
May. 26, 1981 |
| 4260290 |
Cable plow assembly |
Apr. 7, 1981 |
| 4244123 |
Guidance device for drain tile laying machine |
Jan. 13, 1981 |
| 4200410 |
Cable laying device |
Apr. 29, 1980 |
| 4140425 |
Cable plow assembly |
Feb. 20, 1979 |
| 4119157 |
Control for cable plows and the like |
Oct. 10, 1978 |
| 4114391 |
Tape laying trenching apparatus |
Sep. 19, 1978 |
| 4091629 |
Marine pipeline installation system |
May. 30, 1978 |
| 4038828 |
Vertical lift and control for plows |
Aug. 2, 1977 |
| 3952810 |
Slit trenching and cable laying device |
Apr. 27, 1976 |
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