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Patent applications and USPTO patent grants for TREVI S.p.A..The latest application filed is for "drill rig and methods for directional drilling".
Patent | Date |
---|---|
Methods for directing vertical drilling Grant 9,243,455 - Angelici January 26, 2 | 2016-01-26 |
Tools and methods for constructing large diameter underground piles Grant 9,181,673 - Siepi November 10, 2 | 2015-11-10 |
Drill Rig And Methods For Directional Drilling App 20150275583 - ANGELICI; MARCO | 2015-10-01 |
Methods for waterproofing depositing sites Grant 8,882,397 - Vanni November 11, 2 | 2014-11-11 |
Head for injecting consolidating pressurised fluid mixtures into the ground Grant 8,662,795 - Saccani March 4, 2 | 2014-03-04 |
Tools And Methods For Constructing Large Diameter Underground Piles App 20130195560 - Siepi; Maurizio | 2013-08-01 |
Methods For Directing Vertical Drilling App 20130020129 - Angelici; Marco | 2013-01-24 |
Methods For Waterproofing Depositing Sites App 20120328368 - Vanni; Daniele | 2012-12-27 |
Head For Injecting Consolidating Pressurised Fluid Mixtures Into The Ground App 20120012400 - SACCANI; Cesare | 2012-01-19 |
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