9995084 | Hammer reamer for expanding a pilot bore | Aug 08, 16 | Jun 12, 18 | Not available |
9970245 | Dual circulation drilling system | Dec 21, 15 | May 15, 18 | Strada Design Limited |
9969072 | Hand-held power tool and production method | Apr 05, 12 | May 15, 18 | Hilti Aktiengesellschaft |
9951409 | Modified surface properties of percussion tools used in downhole drilling | Sep 30, 15 | Apr 24, 18 | Varel International Ind. L.P. |
9951616 | Arrangement for controlling automated operation mode | Mar 28, 14 | Apr 24, 18 | Sandvik Mining and Construction Oy |
9938768 | Device and system for percussion rock drilling | May 16, 14 | Apr 10, 18 | Epiroc Drilling Tools Aktiebolag |
9938769 | Ram boring device | Jul 29, 15 | Apr 10, 18 | Tracto-Technik GmbH & Co. KG |
9915111 | System and method for conducting drilling and coring operations | Feb 03, 11 | Mar 13, 18 | XTREME DRILLING AND COIL SERVICES CORP. |
9873178 | Rotary gear transmission for tools | Oct 09, 14 | Jan 23, 18 | ARBORTECH INDUSTRIES LIMITED |
9863547 | Valve of a hydraulically striking device | Aug 19, 15 | Jan 09, 18 | Doofor Oy |
9828802 | Fluid pulse drilling tool | Oct 24, 14 | Nov 28, 17 | SJM DESIGNS PTY LTD. |
9815160 | Percussion unit | Apr 24, 13 | Nov 14, 17 | ROBERT BOSCH GMBH |
9803441 | Seated hammer apparatus for core sampling | Nov 08, 13 | Oct 31, 17 | FLEXIDRILL LIMITED |
9782881 | Device for transmitting energy to a fastener | Sep 17, 10 | Oct 10, 17 | HILTI AKTIENGESELLSCHAFT |
9771690 | Quick change rail fastener driving workhead unit | Aug 14, 14 | Sep 26, 17 | NORDCO INC. |
9737983 | Percussion piston | Nov 19, 15 | Aug 22, 17 | SANDVIK MINING AND CONSTRUCTION OY |
9720129 | Electronics for a thin bed array induction logging system | Sep 23, 14 | Aug 01, 17 | PICO TECHNOLOGIES LLC |
9713867 | Nail magazine for nailing gun | Aug 25, 14 | Jul 25, 17 | TAIZHOU DAJIANG IND. CO., LTD. |
9677340 | High speed precision guide device for creating holes for piles or other support members | Mar 15, 16 | Jun 13, 17 | Not available |
9637982 | Shock wave modification in percussion drilling apparatus and method | Aug 27, 14 | May 02, 17 | SANDVIK INTELLECTUAL PROPERTY AB |