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1.Cutter and conveyor mechanism for remote controlled mining machine 失效
Title translation: 远程控制采矿机的切割机和输送机构公开(公告)号:US2991058A
公开(公告)日:1961-07-04
申请号:US45636354
申请日:1954-09-16
Applicant: UNION CARBIDE CORP
Inventor: ALSPAUGH PAUL L , HEIMASTER JOHN W , MCNEILL ROY L
IPC: E21C27/22
CPC classification number: E21C27/22
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公开(公告)号:US2872170A
公开(公告)日:1959-02-03
申请号:US45636554
申请日:1954-09-16
Applicant: UNION CARBIDE CORP
Inventor: ALSPAUGH PAUL L , HEIMASTER JOHN W , MCNEILL ROY L
CPC classification number: E21F13/083 , E21C29/00
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公开(公告)号:US3191754A
公开(公告)日:1965-06-29
申请号:US11239961
申请日:1961-05-24
Applicant: UNION CARBIDE CORP
Inventor: HEIMASTER JOHN W , MCNEILL ROY L
IPC: E21F13/02
CPC classification number: E21F13/02
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4.
公开(公告)号:US2839281A
公开(公告)日:1958-06-17
申请号:US45636454
申请日:1954-09-16
Applicant: UNION CARBIDE CORP
Inventor: ALSPAUGH PAUL L , HEIMASTER JOHN W , MCNEILL ROY L
CPC classification number: E21C27/22 , E21F13/083
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公开(公告)号:US2826402A
公开(公告)日:1958-03-11
申请号:US35393253
申请日:1953-05-11
Applicant: UNION CARBIDE CORP
Inventor: ALSPAUGH PAUL L , HEIMASTER JOHN W , MCNEILL ROY L
CPC classification number: E21F13/083 , E21C35/24 , Y10T74/1914 , Y10T477/24 , Y10T477/26
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公开(公告)号:US3150519A
公开(公告)日:1964-09-29
申请号:US10176961
申请日:1961-04-10
Applicant: UNION CARBIDE CORP
Inventor: HEIMASTER JOHN W , JENKINS FRANK W , MCNEILL ROY L
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7.Bore mining apparatus having means to measure the angle between units thereof 失效
Title translation: 钻孔采矿设备具有测量其单元之间的角度的装置公开(公告)号:US2886299A
公开(公告)日:1959-05-12
申请号:US58172856
申请日:1956-04-30
Applicant: UNION CARBIDE CORP
Inventor: HEIMASTER JOHN W , MCNEILL ROY L
IPC: E21D9/00
CPC classification number: E21D9/003 , Y10T403/32196
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