-
公开(公告)号:US2619234A
公开(公告)日:1952-11-25
申请号:US72107347
申请日:1947-01-09
Applicant: STANDARD OIL DEV CO
Inventor: STONE ALBERT L
IPC: E21B19/14
CPC classification number: E21B19/14
-
公开(公告)号:US2595902A
公开(公告)日:1952-05-06
申请号:US6696648
申请日:1948-12-23
Applicant: STANDARD OIL DEV CO
Inventor: STONE ALBERT L
IPC: E21B19/16
CPC classification number: E21B19/16
-
公开(公告)号:US2593498A
公开(公告)日:1952-04-22
申请号:US11128949
申请日:1949-08-19
Applicant: STANDARD OIL DEV CO
Inventor: STONE ALBERT L
IPC: E21B19/16
CPC classification number: E21B19/168
-
公开(公告)号:US2567039A
公开(公告)日:1951-09-04
申请号:US74883647
申请日:1947-05-17
Applicant: STANDARD OIL DEV CO
Inventor: STONE ALBERT L
IPC: E21B19/16
CPC classification number: E21B19/16 , Y10T279/1283 , Y10T279/19
-
公开(公告)号:US2518398A
公开(公告)日:1950-08-08
申请号:US69220346
申请日:1946-08-22
Applicant: STANDARD OIL DEV CO
Inventor: STONE ALBERT L
IPC: E21B19/16
CPC classification number: E21B19/164
-
26.Column assembly, including pressure fluid motors for moving objects longitudinally and angularly 失效
Title translation: 柱组件,包括用于纵向和角度地移动物体的压力流体马达公开(公告)号:US2474336A
公开(公告)日:1949-06-28
申请号:US76057447
申请日:1947-07-12
Applicant: STANDARD OIL DEV CO
Inventor: STONE ALBERT L
IPC: E21B19/00
CPC classification number: E21B19/00
-
-
-
-
-