发明授权
EP2391470B1 EARTH-BORING PARTICLE-MATRIX ROTARY DRILL BIT AND METHOD OF MAKING THE SAME
有权
HERMTELLUNGSVERFAHRENDAFÜR的ROTIERENDER PARTIKELMATRIX-ERDBOHRMEISSEL
- 专利标题: EARTH-BORING PARTICLE-MATRIX ROTARY DRILL BIT AND METHOD OF MAKING THE SAME
- 专利标题(中): HERMTELLUNGSVERFAHRENDAFÜR的ROTIERENDER PARTIKELMATRIX-ERDBOHRMEISSEL
-
申请号: EP10736454.9申请日: 2010-01-29
-
公开(公告)号: EP2391470B1公开(公告)日: 2017-04-12
- 发明人: CHOE, Heeman , STEVENS, John , SULLIVAN, Eric
- 申请人: Baker Hughes Incorporated
- 申请人地址: P. O. Box 4740 Houston, TX 77210 US
- 专利权人: Baker Hughes Incorporated
- 当前专利权人: Baker Hughes Incorporated
- 当前专利权人地址: P. O. Box 4740 Houston, TX 77210 US
- 代理机构: Sloboshanin, Sergej
- 优先权: US361653 20090129
- 国际公布: WO2010088480 20100805
- 主分类号: B22F3/12
- IPC分类号: B22F3/12 ; C22C29/00 ; E21B10/42 ; E21B10/54 ; B22F5/00 ; C22C14/00 ; C22C19/00 ; C22C19/03 ; C22C26/00 ; C22C32/00 ; C22C38/00 ; C22C9/01 ; C22C9/04 ; E21B10/00 ; E21B10/46 ; B22D19/14
公开/授权文献
信息查询