RA

Roy Derrick Achilles

BH Baker Hughes Holdings: 3 patents #995 of 3,522Top 30%
BC Baker Hughes, A Ge Company: 1 patents #709 of 1,459Top 50%
OP Onesteel Trading Pty: 1 patents #3 of 6Top 50%
📍 Cape Town, ZA: #10 of 534 inventorsTop 2%
Overall (All Time): #353,143 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
RE47605 Polycrystalline diamond elements, cutting elements, and related methods 2019-09-17
8469121 Polycrystalline diamond abrasive elements Brett Lancaster, Bronwyn Annette Roberts, Imraan Parker, Klaus Tank, Clement D. van der Riet 2013-06-25
8240405 Polycrystalline diamond abrasive elements Brett Lancaster, Bronwyn Annette Roberts, Imraan Parker 2012-08-14
8206474 Abrasive compacts Klaus Tank 2012-06-26
8172012 Cutting tool insert and drill bit so equipped 2012-05-08
8020642 Polycrystalline diamond abrasive elements Brett Lancaster, Bronwyn Annette Roberts, Imraan Parker, Klaus Tank, Clement D. van der Riet 2011-09-20
8016054 Polycrystalline diamond abrasive elements Brett Lancaster, Bronwyn Annette Roberts, Imraan Parker 2011-09-13
7730977 Cutting tool insert and drill bit so equipped 2010-06-08
7594553 Composite tool insert Klaus Tank, Raymond Albert Chapman 2009-09-29
7575805 Polycrystalline diamond abrasive elements Bronwyn Annette Roberts, Imraan Parker, Brett Lancaster, Klaus Tank 2009-08-18
7074247 Method of making a composite abrasive compact Klaus Tank, Moosa Mahomed Adia, Paul Machael Daniel 2006-07-11
D502952 Substrate for manufacturing cutting elements Imraan Parker, Klaus Tank 2005-03-15
6733378 Abrasive body Klaus Tank 2004-05-11
6527633 Abrasive body Klaus Tank 2003-03-04