E02F 3/06






Subclass 3/06: Dredgers; Soil-shifting machines (for special purposes E02F 5/00; other machines or apparatus for mining E21C; tunnelling E21D) mechanically-driven with digging screws

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
10246942 Hyraulic motor circuitSep 15, 14Apr 02, 19OILPATH HYDRAULICS PTY LTD
9834950 Earth auger and pole machine, and pole installation methodApr 08, 16Dec 05, 17VALE S.A.
9828737 Lubricated soil mixing systems and methodsJun 12, 15Nov 28, 17Not available
9777459 Attachment for a skid steer loader and method of use thereofJul 31, 12Oct 03, 17SOLAR FOUNDATIONS USA, INC
9708791 Apparatus, systems and methods for excavating trenches in earth or soil and installing underground conduits or other mediaOct 16, 14Jul 18, 17Not available
9255376 Modular system of mutli-purpose rods for drilling soilMay 07, 10Feb 09, 16SOILMEC S.P.A.
9163382 Gearbox lock mechanismJan 16, 14Oct 20, 15KING KUTTER, INC.
9085872 Lubricated soil mixing system and methodsJun 01, 12Jul 21, 15Not available

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Recent Publications

Publication #TitleFiling DatePub DatePatent Owner
2018/0230,666 EXCAVATION SYSTEM AND METHODFeb 14, 18Aug 16, 18Not available

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Patents Issued To Date - By Filing Year

Average Time to Issuance