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公开(公告)号:US2493731A
公开(公告)日:1950-01-03
申请号:US69598346
申请日:1946-09-10
Applicant: MICHAEL WATTER
Inventor: MICHAEL WATTER
IPC: B60C5/24
CPC classification number: B60C5/24 , Y10T152/1054
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公开(公告)号:US3699690A
公开(公告)日:1972-10-24
申请号:US3699690D
申请日:1971-05-28
Applicant: MICHAEL WATTER
Inventor: WATTER MICHAEL
Abstract: A method of supporting oil pipe beneath the ground by pneumatic inflated sections. The pneumatic inflated sections may be half sections shaped to receive the pipe.
Abstract translation: 通过气动膨胀部分在地下支撑油管的方法。 气动膨胀部分可以是成形为接收管道的半部分。
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公开(公告)号:US2438730A
公开(公告)日:1948-03-30
申请号:US56334344
申请日:1944-11-14
Applicant: MICHAEL WATTER
Inventor: MICHAEL WATTER
IPC: G06G1/00
CPC classification number: G06G1/0052
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