| Patent | Date |
|---|
Long-shaft tool, system comprising a long-shaft tool with a first manipulator and a second manipulator as well as use for such a tool and such a system
Grant 11,034,014 - Koch , et al. June 15, 2 | 2021-06-15 |
Device For Inserting A Pipe Into An Elongated Cavity
App 20200400264 - Koch; Elmar ; et al. | 2020-12-24 |
Mixing system and method for producing a drilling fluid for ground drilling and use in producing a drilling fluid for ground drilling
Grant 10,662,726 - Koch , et al. | 2020-05-26 |
Top surface drilling device and methods for drilling a core in a top surface
Grant 10,443,311 - Koch , et al. Oc | 2019-10-15 |
Mixing System And Method For Producing A Drilling Fluid For Ground Drilling And Use In Producting A Drilling Fluid For Ground Drilling
App 20180371853 - KOCH; Elmar ; et al. | 2018-12-27 |
Rod section and rod section system
Grant 9,951,561 - Koch , et al. April 24, 2 | 2018-04-24 |
Long-Shaft Tool, System Comprising A Long-Shaft Tool With A First Manipulator And A Second Manipulator As Well As Use For Such A Tool And Such A System
App 20170334058 - KOCH; Elmar ; et al. | 2017-11-23 |
Locking mechanism
Grant 9,643,569 - Kielwein , et al. May 9, 2 | 2017-05-09 |
Method for producing a horizontal bore in the ground and horizontal drilling device
Grant 9,523,240 - Koch , et al. December 20, 2 | 2016-12-20 |
Top Surface Drilling Device And Methods For Drilling A Core In A Top Surface
App 20160281433 - KOCH; Elmar ; et al. | 2016-09-29 |
Horizontal drilling device
Grant 9,347,267 - Koch , et al. May 24, 2 | 2016-05-24 |
Dual pipe rod assembly section, horizontal drilling device and probe housing
Grant 9,291,008 - Koch , et al. March 22, 2 | 2016-03-22 |
Method for operating a horizontal drilling device and horizontal drilling device
Grant 9,243,453 - Koch , et al. January 26, 2 | 2016-01-26 |
Guiding device for a drilling device
Grant 9,194,185 - Gocke , et al. November 24, 2 | 2015-11-24 |
Rod Section And Rod Section System
App 20150322729 - Koch; Elmar ; et al. | 2015-11-12 |
Locking Mechanism
App 20150298648 - Kielwein; Thomas ; et al. | 2015-10-22 |
Rod assembly and device for trenchless rehabilitation of pipelines
Grant 9,103,166 - Koch , et al. August 11, 2 | 2015-08-11 |
Threaded connection
Grant 9,080,394 - Koch , et al. July 14, 2 | 2015-07-14 |
Tool for longitudinally subdividing sewer pipes
Grant 8,882,393 - Koch , et al. November 11, 2 | 2014-11-11 |
Method for determining the wear of a force-loaded linkage of an earth-working device
Grant 8,863,859 - Koch , et al. October 21, 2 | 2014-10-21 |
Method and system for rehabilitating an old pipe
Grant 8,857,475 - Koch October 14, 2 | 2014-10-14 |
Method For Operating A Horizontal Drilling Device And Horizontal Drilling Device
App 20130277118 - Koch; Elmar ; et al. | 2013-10-24 |
Method For Producing A Horizontally Drilled Bore In The Ground And Horizontal Drilling Device
App 20130199851 - Koch; Elmar ; et al. | 2013-08-08 |
Dual Pipe Rod Assembly Section, Horizontal Drilling Device And Probe Housing
App 20130140087 - Koch; Elmar ; et al. | 2013-06-06 |
Horizontal Drilling Device
App 20130105225 - Koch; Elmar ; et al. | 2013-05-02 |
Method And System For Rehabilitating An Old Pipe
App 20130087236 - Koch; Elmar | 2013-04-11 |
Device 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
Grant 8,413,311 - Koch April 9, 2 | 2013-04-09 |
Rod Assembly And Device For Trenchless Rehabilitation Of Pipelines
App 20120282033 - Koch; Elmar ; et al. | 2012-11-08 |
Guiding Device For A Drilling Device
App 20120168230 - Gocke; Frank ; et al. | 2012-07-05 |
Method For Determining The Wear Of A Force-loaded Linkage Of An Earth-working Device
App 20120138320 - Koch; Elmar ; et al. | 2012-06-07 |
Method And System For Transmitting Data From A Device To A Receiving Unit
App 20120007747 - Boike; Volker ; et al. | 2012-01-12 |
Method and device for reconstructing old underground pipes
Grant 8,075,224 - Koch , et al. December 13, 2 | 2011-12-13 |
Device 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
App 20110239434 - Koch; Elmar | 2011-10-06 |
Threaded Connection
App 20110168286 - Koch; Elmar ; et al. | 2011-07-14 |
Tool For Longitudinally Subdividing Sewer Pipes
App 20110150577 - Koch; Elmar ; et al. | 2011-06-23 |
Apparatus and method for joining a pipe conduit to a drilling device, expanding device or pull-in device
Grant 7,824,130 - Koch , et al. November 2, 2 | 2010-11-02 |
Cutting device for pipelines
Grant 7,726,028 - Koch , et al. June 1, 2 | 2010-06-01 |
Method And Device For Reconstructing Old Underground Pipes
App 20090220305 - Koch; Elmar ; et al. | 2009-09-03 |
Apparatus And Method For Joining A Pipe Conduit To A Drilling Device, Expanding Device Or Pull-In Device
App 20070284149 - Koch; Elmar ; et al. | 2007-12-13 |
Cutting device for pipelines
App 20060156879 - Koch; Elmar ; et al. | 2006-07-20 |
Device for transferring rods
Grant 6,969,222 - Koch November 29, 2 | 2005-11-29 |
Method of regulating the feed force of a drilling device
Grant 6,725,948 - Koch April 27, 2 | 2004-04-27 |
Method of regulating the feed force of a drilling device
App 20030111265 - Koch, Elmar | 2003-06-19 |
Data transfer system
App 20030082929 - Wurm, Dieter ; et al. | 2003-05-01 |
Data transfer system
Grant 6,402,524 - Wurm , et al. June 11, 2 | 2002-06-11 |
Data Transfer System
App 20010012703 - WURM, DIETER ; et al. | 2001-08-09 |
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