| 9834950 | Earth auger and pole machine, and pole installation method | Apr 08, 16 | Dec 05, 17 | VALE S.A. |
| 9828737 | Lubricated soil mixing systems and methods | Jun 12, 15 | Nov 28, 17 | Not available |
| 9777459 | Attachment for a skid steer loader and method of use thereof | Jul 31, 12 | Oct 03, 17 | SOLAR FOUNDATIONS USA, INC |
| 9708791 | Apparatus, systems and methods for excavating trenches in earth or soil and installing underground conduits or other media | Oct 16, 14 | Jul 18, 17 | Not available |
| 9255376 | Modular system of mutli-purpose rods for drilling soil | May 07, 10 | Feb 09, 16 | SOILMEC S.P.A. |
| 9163382 | Gearbox lock mechanism | Jan 16, 14 | Oct 20, 15 | KING KUTTER, INC. |
| 9085872 | Lubricated soil mixing system and methods | Jun 01, 12 | Jul 21, 15 | Not available |
| 8545162 | Material handling apparatus and method for operating | Dec 29, 08 | Oct 01, 13 | Skid Mor Development LLC |
| 7707754 | Auger loading apparatus and machine with same | May 19, 06 | May 04, 10 | CATERPILLAR INC. |
| 6161625 | Equipment for digging ground without destructive excavation work | Nov 22, 99 | Dec 19, 00 | Not available |
| 5930923 | Method for operation to excavate underdrain in the field ground and a device for operation to excavate underdrain | Oct 23, 97 | Aug 03, 99 | Yugenkaisha Unit Shoji Limited |
| 5586399 | Vertical trencher apparatus employing cutter having helical channel of varying rise angle | Aug 22, 95 | Dec 24, 96 | V.T.S. Trenching Systems Ltd. |
| 4413433 | Apparatus for extracting muddy materials and feeding them to a treatment station | Dec 04, 81 | Nov 08, 83 | Not available |
| 4342162 | Device for planing a body of ground material | Jan 11, 80 | Aug 03, 82 | B.V. Machinefabriek en Constructiewerkplaats Gebr. Klinkenberg, DE KORT, G.A.P., HARTMANN FORDERTECHNIK GMBH, |
| 4185698 | Adjustable auger dozer | Feb 27, 78 | Jan 29, 80 | CASE CORPORATION |