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公开(公告)号:US3426581A
公开(公告)日:1969-02-11
申请号:US3426581D
申请日:1966-12-13
Applicant: NAT RES CORP
Inventor: BRIGGS WALTON E
CPC classification number: F16K51/02 , Y10S277/91 , Y10T137/4358 , Y10T137/4379 , Y10T137/4442
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公开(公告)号:US3327521A
公开(公告)日:1967-06-27
申请号:US51184765
申请日:1965-12-06
Applicant: NAT RES CORP
Inventor: BRIGGS WALTON E
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公开(公告)号:US3530291A
公开(公告)日:1970-09-22
申请号:US3530291D
申请日:1965-12-09
Applicant: NAT RES CORP
Inventor: BRIGGS WALTON E , SHELDON DEANE P
CPC classification number: H01J49/022
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4.Mass spectrometer leak detector and ion source therefor having magnetic focusing means 失效
Title translation: 具有磁性聚焦装置的质谱仪检漏仪及其离子源-
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6.Leak detector and vacuum pumping station for high production rates 失效
Title translation: 泄漏探测器和真空泵站的高产率公开(公告)号:US3486365A
公开(公告)日:1969-12-30
申请号:US3486365D
申请日:1967-11-16
Applicant: NAT RES CORP
Inventor: BRIGGS WALTON E
CPC classification number: G01M3/229 , G01M3/20 , G01M3/202 , Y10T137/86163
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公开(公告)号:US3385102A
公开(公告)日:1968-05-28
申请号:US54431266
申请日:1966-04-21
Applicant: NAT RES CORP
Inventor: BRIGGS WALTON E
IPC: G01M3/20
CPC classification number: G01M3/202 , Y10T137/86501
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公开(公告)号:US3380479A
公开(公告)日:1968-04-30
申请号:US50374465
申请日:1965-10-23
Applicant: NAT RES CORP
Inventor: BENJAMIN BASSAN , BRIGGS WALTON E
CPC classification number: F16K51/02 , F16K31/44 , Y10T137/86919 , Y10T137/87 , Y10T137/87056 , Y10T137/87096 , Y10T137/87692 , Y10T137/87756
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公开(公告)号:US3345860A
公开(公告)日:1967-10-10
申请号:US43309365
申请日:1965-02-16
Applicant: NAT RES CORP
Inventor: BRIGGS WALTON E
IPC: F16K11/056 , F16K51/02 , G01M3/20
CPC classification number: G01M3/205 , F16K11/0565 , F16K51/02 , Y10T137/86815 , Y10T137/86887
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