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Class Information
Number: 405/182
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 plow vibrating or oscillating means
Description: Method or apparatus including means to move the digging tool to and fro to assist the same in penetrating the earth.

Patents under this class:

Patent Number Title Of Patent Date Issued
8475082 Spring loaded J bar T handle Jul. 2, 2013
8303216 Laying device Nov. 6, 2012
7614827 Subsurface drip irrigation installer Nov. 10, 2009
6474909 Fluid assisted ground wedging device Nov. 5, 2002
6397500 Trenching plow with reciprocating action Jun. 4, 2002
6257962 Apparatus and methods for forming hollow-ground knife blades Jul. 10, 2001
6244355 Isolation mount Jun. 12, 2001
6234718 Vibratory apparatus May. 22, 2001
6186242 Depth gauge for a vibratory plow Feb. 13, 2001
6142711 Vibrator having a rotating and oscillating housing Nov. 7, 2000
6126363 Vibratory plow with improved blade configuration Oct. 3, 2000
5765966 Sub-surface trenching and backfill apparatus Jun. 16, 1998
5482121 Vibratory cable plow assembly Jan. 9, 1996
5433277 Soil implement Jul. 18, 1995
5392541 Vibratory plow assembly Feb. 28, 1995
5380123 Method for building a road bed and the use of the same Jan. 10, 1995
5281054 Vibratory plow assembly Jan. 25, 1994
5144760 Trencher Sep. 8, 1992
5067853 Oscillating plow apparatus Nov. 26, 1991
5056244 Digging chain vibratory system Oct. 15, 1991
5039252 Cable feed assembly for use with a vibratory plow Aug. 13, 1991
4909333 Vibratory plow Mar. 20, 1990
4909332 Vibratory plow Mar. 20, 1990
4904116 Apparatus for making tunnels in the ground and for laying supply lines Feb. 27, 1990
4871027 Multiple-edge sod cutter for vibratory plow Oct. 3, 1989
4867607 Linkage apparatus having a mechanism for dampening vibrations Sep. 19, 1989
4867606 Tamper attachment for vibratory plow and method of laying line and cable Sep. 19, 1989
4834581 Root cutting cable laying plow May. 30, 1989
4790687 Tamper attachment for vibratory plow and method of laying line and cable Dec. 13, 1988
4685832 Underground pipe and cable laying machine Aug. 11, 1987
4682912 Pipe laying apparatus Jul. 28, 1987
4652176 Vibratory plow with blade having regressive longitudinal axis Mar. 24, 1987
4498813 Underground cable installing apparatus and method utilizing a fluid jet assisted, vibrating blade arrangement Feb. 12, 1985
4463509 Vibratory plow assembly Aug. 7, 1984
4260290 Cable plow assembly Apr. 7, 1981
4200410 Cable laying device Apr. 29, 1980
4179227 Dynamic plow assembly and method of operating same Dec. 18, 1979
4164982 Vibratory cable plow assembly Aug. 21, 1979
4140425 Cable plow assembly Feb. 20, 1979
4119157 Control for cable plows and the like Oct. 10, 1978
4103501 Device for embedding flexible elements of great length in the ground Aug. 1, 1978
4087982 Vibratory plow May. 9, 1978
4079593 Vibratory cable laying plow Mar. 21, 1978
4040261 Vibratory plow Aug. 9, 1977
4038828 Vertical lift and control for plows Aug. 2, 1977
3952810 Slit trenching and cable laying device Apr. 27, 1976
3948329 Apparatus for effecting ground penetration of a ground engaging member Apr. 6, 1976
3935712 Cable laying vibratory plow assembly Feb. 3, 1976

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