| 2024/0102,377 | METHOD AND SYSTEM FOR DETECTING A STATE OF A JOINT OF A DRILL STRING | Nov 30, 21 | Mar 28, 24 | Not available |
| 2020/0071,997 | PERCUSSIVE/ROTATING DRILL WITH BLOW-OUT, BROKEN BIT, AND PRESSURE LOSS DETECTION SYSTEMS | Aug 16, 19 | Mar 05, 20 | Not available |
| 2017/0361,445 | ARRANGEMENT IN IMPACT UNIT | Jun 16, 17 | Dec 21, 17 | SANDVIK MINING AND CONSTRUCTION OY |
| 2017/0089,136 | PERCUSSIVE/ROTATING DRILL WITH BLOW-OUT, BROKEN BIT, AND PRESSURE LOSS DETECTION SYSTEMS | Sep 29, 16 | Mar 30, 17 | PARK INDUSTRIES, INC. |
| 2017/0074,040 | ARRANGEMENT IN ROCK DRILLING MACHINE AND METHOD OF MOUNTING ROCK DRILLING MACHINE | Sep 14, 16 | Mar 16, 17 | SANDVIK MINING AND CONSTRUCTION OY |
| 2016/0001,432 | BREAKING DEVICE | Jul 01, 15 | Jan 07, 16 | SANDVIK MINING AND CONSTRUCTION OY |
| 2015/0315,846 | DOWNHOLE DRILLING ASSEMBLY WITH MOTOR POWERED HAMMER AND METHOD OF USING SAME | Dec 06, 13 | Nov 05, 15 | NATIONAL OILWELL DHT, L.P. |
| 2015/0275,459 | APPARATUS FOR PILE-DRIVING OR DRILLING | Mar 03, 15 | Oct 01, 15 | ABI ANLAGENTECHNIK-BAUMASCHINEN-INDUSTRIEBEDARF MASCHINENFABRIK UND VERTRIEBSGESELLSCHAFT MBH, ABI Anlagentechnik-Baumaschinen-Industriebedarf und Vertriebsgesellschaft mbH, |
| 2015/0260,314 | HOSE RELEASE DEVICE, ROCK DRILLING UNIT AND METHOD OF MANAGING HOSES | Mar 11, 15 | Sep 17, 15 | SANDVIK MINING AND CONSTRUCTION OY |
| 2015/0144,369 | Hammer Raising Device | Jun 12, 13 | May 28, 15 | SHINWOO HEAVY INDUSTRY CO., LTD. |
| 2015/0122,117 | Device And Method In Respect Of A Rock Drilling Machine And Rock Drilling Machine | May 30, 13 | May 07, 15 | ATLAS COPCO ROCK DRILLS AB |
| 2015/0083,501 | SLIDE VALVE, PERCUSSION DEVICE & METHOD | Feb 11, 13 | Mar 26, 15 | CONSTRUCTION TOOLS PC AB |
| 2014/0338,978 | WELLBORE PERCUSSION ADAPTER AND TUBULAR CONNECTION | Apr 15, 14 | Nov 20, 14 | Nov Worldwide C.V. |
| 2014/0332,278 | EXTENDED REACH DRILLING | Dec 18, 12 | Nov 13, 14 | FLEXIDRILL LIMITED |
| 2014/0182,938 | PISTON STRIKE FACE AND BIT INTERFACE FOR PERCUSSION HAMMER DRILL | Dec 13, 13 | Jul 03, 14 | SMITH INTERNATIONAL, INC. |
| 2014/0144,705 | Hydraulic Percussion Apparatus and Method of Use | Nov 20, 13 | May 29, 14 | KLX ENERGY SERVICES LLC |
| 2011/0220,420 | Feed Chain Automatic Tensioner | Mar 11, 10 | Sep 15, 11 | CATERPILLAR GLOBAL MINING EQUIPMENT LLC |
| 2011/0081,208 | AUTOMATICALLY ADJUSTABLE CAISSON CLAMP | Nov 02, 10 | Apr 07, 11 | American Piledriving Equipment, Inc. |
| 2008/0000,662 | Chain driven reciprocating hammer with automatic work piece input centering and clamping | Jun 27, 07 | Jan 03, 08 | Pileco Inc. |
| 2007/0181,342 | Hole coring system | Dec 27, 06 | Aug 09, 07 | U.S. Saws, Inc. |