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公开(公告)号:US2933177A
公开(公告)日:1960-04-19
申请号:US79977159
申请日:1959-03-16
Applicant: LONG COMPANY
Inventor: LONG JOHN B
IPC: E21F13/06
CPC classification number: E21F13/06
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公开(公告)号:US2896774A
公开(公告)日:1959-07-28
申请号:US70044457
申请日:1957-12-03
Applicant: LONG COMPANY
Inventor: LONG JOHN B , CLAY JEFF C
IPC: B65G39/16
CPC classification number: B65G39/16
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公开(公告)号:US2925253A
公开(公告)日:1960-02-16
申请号:US77870458
申请日:1958-12-08
Applicant: LONG COMPANY
Inventor: LONG JOHN B
IPC: B23Q5/06
CPC classification number: B23Q5/06 , Y10S60/916
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4.Scraper flight and built-up conveyor chain and flight combination 失效
Title translation: 刮板飞行和建成输送机链和飞行组合公开(公告)号:US2761548A
公开(公告)日:1956-09-04
申请号:US51768655
申请日:1955-06-24
Applicant: LONG COMPANY
Inventor: LONG JOHN B
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公开(公告)号:US2747721A
公开(公告)日:1956-05-29
申请号:US20023650
申请日:1950-12-11
Applicant: LONG COMPANY
Inventor: LONG JOHN B , FRYE RICHARD J
CPC classification number: E21D9/128 , B65G37/00 , B65G2812/015
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公开(公告)号:US2854129A
公开(公告)日:1958-09-30
申请号:US58084156
申请日:1956-04-26
Applicant: LONG COMPANY
Inventor: LONG JOHN B
IPC: B65G19/28
CPC classification number: B65G19/287
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公开(公告)号:US2713413A
公开(公告)日:1955-07-19
申请号:US1032448
申请日:1948-02-24
Applicant: LONG COMPANY
Inventor: LONG JOHN B , MCCAULEY LONG PAULINE , MAHAN CHAS E
IPC: B65G19/28
CPC classification number: B65G19/28
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