1
Oliver F R A Damm, Klaus Tank: Diamond bearing assembly. Oblon Spivak McClelland Maier & Neustadt, November 15, 1994: US05364192 (207 worldwide citation)

The invention concerns a diamond thrust bearing assembly for a downhole motor. The assembly (10) includes at least one set of opposing bearing rings (20, 22), each of which has an annular support element (24, 30) and a plurality of PCD compacts (48, 62) carried in circumferentially spaced relationsh ...


2
Oliver F R A Damm, Klaus Tank: Diamond bearing assembly. CSIR, Oblon Spivak McClelland Maier & Neustadt, November 29, 1994: US05368398 (174 worldwide citation)

The invention concerns a diamond bearing assembly for a downhole motor. The assembly (10) includes at least one set of opposing, relatively rotating thrust bearing rings (20, 22) each of which includes an annular support element (24, 30) and PCD compacts (26, 32) carried by the support elements. The ...


3
Oliver F R A Damm, Warwick John Green, Lillian Hristov Ivanchev, Walter Luigi Trevisan: Working of a metallic strip. Trico Products Corporation, Nixon & Vanderhye PC, May 16, 2000: US06063216 (19 worldwide citation)

This invention relates to the working of a metallic strip. More particularly, the invention relates to a method of working a length of metallic strip by heat treating under tensile force, to a length of metallic strip and to an apparatus for use in working a length of metallic strip.