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1.Apparatus for holding rotary drilling power units in a well against rotation 失效
Title translation: 用于将旋转钻井动力单元保持在井中防止旋转的装置公开(公告)号:US1870697A
公开(公告)日:1932-08-09
申请号:US50058830
申请日:1930-12-06
Applicant: TAYLOR THOMAS G
Inventor: TAYLOR THOMAS G
IPC: E21B4/18
CPC classification number: E21B4/18
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公开(公告)号:US1870696A
公开(公告)日:1932-08-09
申请号:US37859529
申请日:1929-07-16
Applicant: TAYLOR THOMAS G
Inventor: TAYLOR THOMAS G
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公开(公告)号:US1070078A
公开(公告)日:1913-08-12
申请号:US1912697281
申请日:1912-05-14
Applicant: TAYLOR JOHN E , TAYLOR THOMAS G
Inventor: TAYLOR JOHN E , TAYLOR THOMAS G
CPC classification number: E05Y2900/55
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公开(公告)号:US945639A
公开(公告)日:1910-01-04
申请号:US1909521322
申请日:1909-10-06
Applicant: TAYLOR JOHN E , TAYLOR THOMAS G
Inventor: TAYLOR JOHN E , TAYLOR THOMAS G
CPC classification number: F16H21/36 , Y10T74/18256
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公开(公告)号:US1900029A
公开(公告)日:1933-03-07
申请号:US57707531
申请日:1931-11-24
Applicant: TAYLOR THOMAS G
Inventor: TAYLOR THOMAS G
IPC: E21B4/04
CPC classification number: E21B4/04
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公开(公告)号:US1172179A
公开(公告)日:1916-02-15
申请号:US883415
申请日:1915-02-17
Applicant: TAYLOR THOMAS G
Inventor: TAYLOR THOMAS G
CPC classification number: B60N2/6009
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公开(公告)号:US1031827A
公开(公告)日:1912-07-09
申请号:US1911608297
申请日:1911-02-13
Applicant: TAYLOR THOMAS G
Inventor: TAYLOR THOMAS G
CPC classification number: A01M2200/012
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