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公开(公告)号:US1758153A
公开(公告)日:1930-05-13
申请号:US31613028
申请日:1928-10-31
Applicant: GRANGER PAUL H
Inventor: GRANGER PAUL H
IPC: F04F1/18
CPC classification number: F04F1/18
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公开(公告)号:US1744697A
公开(公告)日:1930-01-21
申请号:US23504027
申请日:1927-11-22
Applicant: GRANGER PAUL H
Inventor: GRANGER PAUL H
IPC: B27M3/22
CPC classification number: B27M3/22 , Y10T82/2593
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公开(公告)号:US2291892A
公开(公告)日:1942-08-04
申请号:US37750341
申请日:1941-02-05
Applicant: GRANGER PAUL H
Inventor: GRANGER PAUL H
IPC: E21B37/10
CPC classification number: E21B37/10
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4.Means for locating, testing, and cleaning leaks or holes in well casings 失效
Title translation: 用于定位,测试和清洁井壳中的泄漏或孔的装置公开(公告)号:US1744698A
公开(公告)日:1930-01-21
申请号:US29044328
申请日:1928-07-05
Applicant: GRANGER PAUL H
Inventor: GRANGER PAUL H
IPC: E21B47/10
CPC classification number: E21B47/1025
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公开(公告)号:US2404876A
公开(公告)日:1946-07-30
申请号:US42578042
申请日:1942-01-06
Applicant: GRANGER PAUL H
Inventor: GRANGER PAUL H
IPC: E21B47/10
CPC classification number: E21B47/1025
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公开(公告)号:US1812943A
公开(公告)日:1931-07-07
申请号:US30849528
申请日:1928-09-26
Applicant: GRANGER PAUL H
Inventor: GRANGER PAUL H
IPC: E21B47/10
CPC classification number: E21B47/1025 , Y10T137/9029
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公开(公告)号:US1796454A
公开(公告)日:1931-03-17
申请号:US28851928
申请日:1928-06-26
Applicant: GRANGER PAUL H
Inventor: GRANGER PAUL H
IPC: E21B47/10
CPC classification number: E21B47/1025
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公开(公告)号:US2336090A
公开(公告)日:1943-12-07
申请号:US42832742
申请日:1942-01-26
Applicant: GRANGER PAUL H
Inventor: GRANGER PAUL H
IPC: E21B37/10
CPC classification number: E21B37/10
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公开(公告)号:US2308072A
公开(公告)日:1943-01-12
申请号:US39537041
申请日:1941-05-27
Applicant: GRANGER PAUL H
Inventor: GRANGER PAUL H
IPC: E21B33/134
CPC classification number: E21B33/134
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公开(公告)号:US1839844A
公开(公告)日:1932-01-05
申请号:US30823928
申请日:1928-09-25
Applicant: GRANGER PAUL H
Inventor: GRANGER PAUL H
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