Inventors list

Assignees list

Classification tree browser

Top 100 Inventors

Top 100 Assignees


Tracto-Technik GmbH & Co. KG

Tracto-Technik GmbH & Co. KG Patent applications
Patent application numberTitlePublished
20120111634EARTH BORING APPARATUS - An earth boring apparatus includes a drill rod, a source for a drill fluid, and a voltage source. The drill rod has a hollow rod casing provided for throughflow of the drill fluid, and a conductor located within the rod casing, with the voltage source being connected with the conductor and the rod casing. The voltage source is so connected as to prevent the electric conductor to act as anode in the event the drill fluid establishes an electrically conductive connection between the rod casing and the conductor.05-10-2012
20120087738EARTH DRILLING DEVICE - The invention relates to an earth drilling device (04-12-2012
20120059632METHOD FOR INSTALLING A RADIAL GEOTHERMAL ENERGY PROBE FIELD - A method for installing a radial geothermal probe field includes the steps of defining a total number of geothermal energy probes to be introduced, defining the directions of incidence of the individual geothermal energy probes, determining perforation points of the geothermal energy probes in a spherical projection, determining the included angles between nearby geothermal energy probes, determining a mean value of the included angles, determining a mean value of the geothermal energy probe lengths, determining a mean center spacing using the mean values for the included angles and the length of the geothermal energy probes, calculating the total heat removal capacity by using conventional computing methods for vertical geothermal energy probe fields and the mean center spacing for the distance between probes, and COMPARING the computed total heat removal capacity with a predetermined desired heat removal capacity.03-08-2012
20120039670Method and system for inserting a pipe into an underground borehole - The invention relates to a method for inserting a pipe (02-16-2012
20120006597DRILL HEAD - A drill head, particularly for a horizontal drilling device, includes a housing and a radar unit disposed within the housing. The radar unit generates electromagnetic waves that exit the housing. The housing of the drill head is made of a dielectric material at least in the region where the electromagnetic waves exit the housing.01-12-2012
20110255365APPARATUS FOR MIXING A POWDERY MEDIUM WITH A FLUID - An apparatus for mixing a powdery medium with a fluid includes a mixing vessel which can be filled with the fluid and which has a feed for the fluid, an inlet for the powdery medium and an outlet for the fluid mixed with the powdery medium, and at least one mixing screen which divides the mixing vessel into a first section which includes the feed and a second section which includes the inlet.10-20-2011
20110255363METERING APPARATUS AND METHOD FOR INTRODUCING A POWDERY MEDIUM INTO A FLUID - A metering apparatus for introducing a powdery medium into a fluid includes a mixing vessel that can be filled with a fluid and a metering unit for the powdery medium. The metering unit has an inlet for the powdery medium, an inlet for a compressed gas and an outlet extending towards the mixing vessel, through which the powdery medium and the compressed gas can be discharged into the mixing vessel.10-20-2011
20110239434Device For Connecting A String Section With A Pulling Element Which Extends Through The String Section, and Method For Tensioning Of String Sections To Form A String - The invention relates to a device for connecting a string section to a pulling element which extends through the string section. The device includes a tilt lever support (10-06-2011
20110209920INSERTION COUPLING FOR A BORING ROD ASSEMBLY AND A BORING ROD ASSEMBLY - An insertion coupling for a boring rod assembly with at least two coupling elements is disclosed. The coupling elements include at least one corresponding tapered coupling face pair constructed to produce play-free clamping when pressing forces are applied to the insertion coupling.09-01-2011
20110206085METHOD FOR INSTALLING GEOTHERMAL ENERGY PROBES AND GEOTHERMAL ENERGY PROBE ARRANGEMENT - Geothermal energy probes, in particular at least a first group of two to five geothermal energy probes, are installed in the ground from a starting point in the radial direction such that the corresponding spreading angle between adjacent geothermal energy probes is at least 72° and the corresponding differential inclination angle is at least 10°, wherein the differential inclination angle continuously increases or decreases from one geothermal probe of the first group to the next.08-25-2011
20110200413DRILLING APPARATUS - A drilling apparatus includes a drill rig which defines a drilling rod axis, a rod magazine for a plurality of rod sections, and a transfer device for transfer of a rod section from the rod magazine and for transfer of the rod section in the drilling rod axis. The transfer device is hereby constructed to travel in the direction of the longitudinal axis of the rod section in relation to the rod magazine.08-18-2011
20110168286THREADED CONNECTION - The invention relates to a screw connector for a screw engagement, comprising an external thread applied to a core and flanks of the external thread form an ellipse.07-14-2011
20110164925METHOD AND APPARATUS FOR REPLACING OLD UNDERGROUND CONDUITS - In a method and an apparatus for replacing old underground conduits (07-07-2011
20110150577TOOL FOR LONGITUDINALLY SUBDIVIDING SEWER PIPES - The invention relates to a tool for longitudinally subdividing buried sewer pipes having an asymmetric, generally oval cross section, made substantially of a support shoe opposing a cutting blade acting in the direction of the pipe axis. The device also has two side cutting blades and is moved through the old pipe by means of a rod and a cylindrical calibration mandrel.06-23-2011
20110090757APPARATUS FOR MIXING A POWDERY MEDIUM WITH A FLUID - An apparatus for mixing a powdery medium with a fluid includes a mixing vessel which can be filled with the fluid and which has a feed for the fluid, an inlet for the powdery medium and an outlet for the fluid mixed with the powdery medium, and at least one mixing screw arranged inside the mixing vessel and driven by a rotary drive.04-21-2011
20100282517BORING SYSTEM - The invention relates to a system for the overground operation of underground sewer tools, especially of expander and pulling heads comprising a rod assembly that is rigid when pushed and a supporting device absorbing shear or tractive forces.11-11-2010
20100252228Geothermal System - The invention relates to a geothermal system for exchanging heat with the water of a public supply line, wherein the heat exchanger is arranged within the supply line and is used in modular form as a pipe section.10-07-2010
20100196089ROD COUPLING HAVING A PIN - The invention relates to a rod coupling for rod segments for use in horizontal earth boring, wherein the ends of the rod segments can be interconnected and are fixed by means of a cross pin.08-05-2010
20100150643ROD COUPLING HAVING A SACRIFICIAL ELEMENT - The invention relates to a coupling system for rod segments for use in horizontal earth boring, wherein the ends of the rod segments are interlinked via a separate sacrificial element which can be used as a predetermined breaking point or which allows the rod segments to be pivoted relative each other.06-17-2010
20090261310Method and Apparatus for Replacing Old Underground Conduits - In a method and an apparatus for replacing old underground conduits (10-22-2009
20090255701ROD ASSEMBLY DRIVER - A rod assembly driver which is alternately acting in two opposing directions includes two opposing grip jaws for a rod assembly, which grip jaws are hingedly connected to one another in the form of a parallelogram by pairs of plates.10-15-2009
20080283297METHOD AND APPARATUS FOR INTRODUCING A GEOTHERMAL PROBE INTO THE EARTH - In a method for introducing a geothermal probe into the earth, a geothermal probe is introduced in a radiating manner with the drill head into the earth. After the drilling operation, the drill head remains in the earth.11-20-2008
20080236892METHOD OF MULTISTAGE MANUFACTURING A GROUND BORE - In a method for multistage manufacture of a borehole between two earth shafts, a drilling device drills in a first direction a pilot bore between a starting shaft and an end shaft and lines the pilot bore with pipes. Subsequently, the pilot bore is expanded in a second direction opposite to the first direction to form an expansion bore which is simultaneously lined with pipes, while accumulating soil is transported into the end shaft in opposition to the second direction with the aid of a screw conveyor.10-02-2008
20080210469ANGLE DRILLING DEVICE - In an angle drilling device for introducing or expanding wellbores that are inclined in relation to the horizontal, an angle-adjustable bore rig for a movable feed drive is arranged on a base frame that is movable for example. The bore rig is pivotally connected with the base frame while a connection, for example a link bar, extends between the feed drive and the base frame and has a constant length to effect during travel of the feed drive a change in incline of the bore rig as a consequence of the distance between both pivot points for the bore rig and the point of articulation of the connection.09-04-2008
20080202723METHOD AND APPARATUS FOR INSTALLING A BOREHOLE HEAT EXCHANGER IN THE EARTH - In a method of installing a borehole heat exchanger in the earth, a channel is formed in the earth by means of a pushing device, thereby causing a compression of the earth as a result of earth being displaced, and inserting a borehole heat exchanger in the channel, causing an elastic component of the earth to move toward the heat exchanger as the earth relaxes in order to provide an intimate contact between the earth and the heat exchanger. Installation of the borehole heat exchanger in elastically displaced earth ensures not only a stable and lasting securement of the heat exchanger in the earth but also the intimate contact between earth and heat exchanger wall so important for heat exchanger.08-28-2008

Patent applications by Tracto-Technik GmbH & Co. KG