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1.发明授权
公开(公告)号：US3063079A
公开(公告)日：1962-11-13
申请号：US1896460
申请日：1960-03-31
Applicant: PANHANDLE EASTERN PIPE LINE CO
Inventor： BERGMAN STEPHEN A , COCKRELL DONALD F
CPC classification number: F16K3/0209 , F16L55/46 , Y10T137/4891
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公开(公告)号：US2559703A
公开(公告)日：1951-07-10
申请号：US13493749
申请日：1949-12-24
Applicant: PANHANDLE EASTERN PIPE LINE CO
Inventor： BERGMAN STEPHEN A
IPC: F16L1/032
CPC classification number: F16L1/032
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公开(公告)号：US3146477A
公开(公告)日：1964-09-01
申请号：US27443863
申请日：1963-04-22
Applicant: PANHANDLE EASTERN PIPE LINE CO
Inventor： BERGMAN STEPHEN A , COCKRELL DONALD F
IPC: F16L55/46
CPC classification number: F16L55/46 , Y10T137/4891 , Y10T137/86549
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4.发明授权Combination gate valve and ball launcher and catcher for use in pressure flow lines 失效组合闸阀和用于压力流动管线的球发射器和捕集器
公开(公告)号：US3063080A
公开(公告)日：1962-11-13
申请号：US8205261
申请日：1961-01-11
Applicant: PANHANDLE EASTERN PIPE LINE CO
Inventor： BERGMAN STEPHEN A , COCKRELL DONALD F
CPC classification number: F16L55/46 , F16K3/0209 , Y10T137/4891
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