Matches 1 - 50 out of 119 1 2 3 >


Match Document Document Title
8157477 Trenching and drain installation system and method  
A system for trench and drain installation. The system utilizes an implement driven trenching assembly and a backfill pipe installation assembly. The implement driven trenching assembly digs a...
8047744 Conduit laying machine  
In one aspect, the invention is directed to a conduit laying system for laying conduit, including a vehicle, a trench former, a conduit feed system and a base material handling system. The trench...
7886463 Pipeline padding machine  
A pipeline padding machine includes two control station locations. One location is for controlling operation of the machine while the machine is operated on one side of a ditch, and the other...
7607863 Automated pipe-laying method and apparatus  
A trench box, including a pair of oppositely disposed parallel elongated sidewalls defining a work volume, distal and proximal support members extending between the sidewalls, and a track...
7581903 Method of manufacture and installation flowable thermal backfills  
The invention includes a method of making and using a flowable thermal backfill. The flowable thermal backfill has a low thermal resistivity, useful for filling trenches containing electrical...
7310896 Mechanized unit for protectively encasing a utility in a trench with processed excavated trench material  
A mechanized unit that is moved through a trench in the ground for the purpose of placing a length or lengths of a utility or utilities by a guide device on the bottom of the trench, and then...
7237982 Agricultural implement for installing an irrigation system  
The present invention is an agricultural implement for installing an irrigation system. The implement is made up of a frame structure having front and rear ends including a hitch for attaching the...
7186059 Padding machine and method of use  
An integrated padding machine that incorporates a front digging auger that is preferably mechanically as opposed to hydraulically powered, which in conjunction with a breaker bar assembly provides...
7074305 Pipeline support  
The present invention is directed at a pipeline support for reducing corrosion on a pipeline surface comprising support fill material, a case for housing the support fill material; wherein when a...
6981342 Screening laying box  
A mechanized unit that is moved through a trench in the ground for the purpose of placing a length or lengths of a utility or utilities by a guide device on the bottom of the trench, and then...
6899842 Method and installation for laying a cylindrical pipe on a support  
A process and plant for laying a pipe in a trench comprising placing a flattened tubular preform in the trench, the perform having a reinforcement surrounding an inner seal, the reinforcement being...
6854931 Apparatus for establishing adjustable depth bed in trenches for utility lines and encasing the lines  
A mechanized unit that places a predetermined and adjustable depth of a selected bedding material on the bottom of a trench in the ground, then places on the bed a continuous length of a utility or...
6763925 Self propelled backfilling apparatus  
A self propelled vehicle for transport and placement of an onboard supply of fill material in an onboard hopper. The hopper is connected to said vehicle at a point operatively positioned to...
6644891 Composition having low thermal resistivity and method for laying underground cables for carrying electrical energy  
A system for carrying electrical energy in connections in underground cables. In particular, it relates to a method of laying cables and a trench filler having a low thermal resistivity, used for...
6622403 Backfill and grading apparatus  
Apparatus for depositing material within a trench including a hopper and an elongated chute extending down from the hopper which is configured to fit within the trench. The apparatus includes a...
6530723 Device and process for excavating and backfilling of soil  
A device for digging and backfilling of ditches, in particular for laying pipes, comprising an automotive travelling mechanism (2) carrying a machine frame (4) with an upper structure, a boom (6)...
6502333 Pipeline padding machine and method  
A self-propelled pipeline padding machine and a method for padding pipelines in ditches without damaging the pipeline prior to backfilling of the ditch. A spoils pile comprising dirt, various size...
6418644 Apparatus and method for padding the ground below a duct using excavated soils, equipment for compacting soil below a duct, and a soil-compacting mechanism  
The present invention relates to a method for padding ground below a duct (1) using excavated soil (2), wherein said method uses a vehicle (6) that comprises a soil feeding organ (13), a transport...
6413018 Method for supporting a pipeline in a trench  
A method for supporting an underground pipeline in an excavated trench. The method involves supporting the pipeline on specially-designed support benches at spaced intervals. The benches are...
6374915 Process and apparatus for sealing abandoned well bores  
Apparatus and process for sealing of abandoned water well bores includes a hopper for dispensing comminuted well bore packing material such as a bentonite clay onto an inclined screening surface...
6371691 Method of introducing optical cable into a solid bed  
A process for introducing an optical cable, in the form of a microcable or minicable (1), in solid ground (17) with the aid of a laying unit (23). The microcable or minicable (1) used for this...
6345933 Tank with backfill deflectors  
An underground storage tank with backfill deflectors is provided to permit installation of the storage tank underground without requiring any workers to enter the excavation. The backfill...
6318930 Efficient method and pulverizer for pipeline trench padding  
A trench-padding method and apparatus provide a more efficient, cost efficient process of obtaining a maximal amount of padding material from material excavated from a trench, and where selected,...
6312194 Device for excavating and redepositing earth  
A device for digging and backfilling of ditches, in particular for laying pipes, comprising an automotive travelling mechanism (2) carrying a machine frame (4) with an upper structure, a boom (6)...
6302257 Self propelled backfilling apparatus with controllable steering of material stream  
A self propelled vehicle for transport and placement of an onboard supply of fill material in an onboard hopper. The hopper is connected to said vehicle at a point operatively positioned to...
6280119 Apparatus and method for placing and engaging elongate workpieces  
The invention contemplates a working implement, for use with an excavating type machine, which semi-automatically brings a pipe section to a specified grade, slope, and line for emplacement in a...
6158925 Apparatus for installing pipeline fill  
An apparatus for depositing fill material over a pipeline. A wide-track carriage is provided for straddling the pipeline trench, and this includes a shaker screen mechanism for screening aggregate...
6139223 Trench filler  
A trench filler having a generally synclinal front section having a solid top and generally downwardly extending sidewalls, a rear section of unitary construction with the front section, the rear...
6125558 High volume pipe padding machine  
A padding machine (10, 100) is disclosed which is capable of separating materials in a spoils bank beside a trench into coarser materials, which are redeposited in the spoils bank behind the...
6095721 Method and device for burying a conduit under water  
6055749 Apparatus for padding underground conduits  
The present invention provides an apparatus for constructing bottom pads, or bench pads, as well as for padding a pipeline during construction. To pad the bottom of a pipeline, a padder is...
5938373 Apparatus for padding a trench including crusher for pulverizing excavated material into grades of material  
A method of padding a trench includes the steps of automatically gathering at least a portion of excavated material from the berm of a trench, auomatically pulverizing at least part of the gathered...
5930923 Method for operation to excavate underdrain in the field ground and a device for operation to excavate underdrain  
A method of operation to effectively excavate an underdrain in the field ground having a long service life and ensuring that the underdrain will not be closed after a long period of time and a...
5921707 Method of filling an excavated opening  
An excavated opening (10) through a pavement (12) of a highway and through the underlying base material (14) to expose a gas main (16) is filled by (i) mixing on site cement, foaming agent and...
5913638 Sand channel trenching and pipe laying apparatus  
A sand channel trenching and pipe laying apparatus for attachment to a tractor or other motor driven vehicle has an elongated frame with a turf precutter assembly which includes both a pair of...
5911544 Soil compactor  
Backfill soil is compacted under the haunches of and up to the spring line of a pipe laid in a trench by tamping the soil in two directions with two pairs of hydraulically-operated ram plates...
5879109 Process and apparatus for introducing an optical or electrical cable into solid ground  
A process and apparatus for introducing a cable into a channel, which is formed into a heated surface of solid ground, such as asphalt, displaces the material to form a channel, inserts the cable...
5846026 Method for pipeline padding  
A method for pipeline padding for reducing the size of spoil disposed in a pile utilizes a vehicle having first and second sides adapted for movement on the surface of the spoil pile. The vehicle...
5765967 Method and apparatus for backfilling pipeline trenches  
In a method for backfilling pipe placed in a ditch and surrounded by a padding material a geotextile material is placed over the padding material and then spoil is backfilled into the ditch. The...
5765966 Sub-surface trenching and backfill apparatus  
A soil sub-surface trenching apparatus adapted to deliver a ribbon deposit of an aggregate material to form a downwardly extending curtain thereof below the soil surface level and thereby provide a...
5741087 Chain separator for padding machine  
A padding apparatus for padding underground cable or pipeline is provided. The padding apparatus is adapted to continuously separate excavated material piled alongside an excavated ditch into...
5694709 Pipeline padding machine with crusher  
A pipeline padding machine is provided comprising a crushing mechanism for crushing large pieces of excavated material into smaller pieces of material that are suitable for use in padding a...
5632574 Backfilling device and apparatus therefor  
A ditch backfilling device and apparatus therefor are disclosed. In particular, the ditch backfilling device includes a mainframe for supporting a compartment for storing the backfill material and...
5611643 Process for the construction of trenches  
In the process for the construction of trenches in ground containing water and/or gas wherein a trench is due in said ground, support media is introduced in said trench to support the walls formed...
5540003 Padding machine with shaker for separator  
An improved padding machine is provided with a shaker assembly that vigorously shakes a moving openwork at a high frequency. The shaker assembly includes resilient mounts for attaching the shaker...
5496135 Articulated vehicle for use in confining trench work  
A powered, wheeled vehicle for preparing a trough in crushed stone or similar material layed in a trench, and for covering over a field line drain pipe positioned in the trough with the material...
5479726 Compact padding machine  
A padding machine attachment for a vehicle is provided. When padding of a ditch for a pipeline or cable is required, the padding machine is removably attached in a position at one end of a...
5479728 Apparatus for backfilling and tamping a trench  
A backfiller and tamper unit (10) is disclosed which is a self contained unit that acts to both backfill and compact soil into a trench for complete restoration. The unit includes a tractor (12)...
5452969 Apparatus for screening and spreading bedding material in a ditch  
An apparatus for spreading a bedding material in a ditch to provide a bedding layer for laying a pipe thereon is disclosed. The apparatus includes a screened opening which extends for selectively...
5430962 Pipeline padding apparatus with rotary feeder  
An improved pipeline padding apparatus includes a separator for separating fine material out of spoil which is piled along side an excavation, an elevator for transporting spoil to the separator,...
Matches 1 - 50 out of 119 1 2 3 >