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公开(公告)号：US2270788A
公开(公告)日：1942-01-20
申请号：US32728240
申请日：1940-04-01
Applicant: GEN ELECTRIC
Inventor： SCOTT WILLIAM J , DAVIES LEONARD J , THOMAS COWHIG WILLIAM
IPC: H01J9/395
CPC classification number: H01J9/395
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公开(公告)号：US2056659A
公开(公告)日：1936-10-06
申请号：US74581834
申请日：1934-09-27
Applicant: GEN ELECTRIC
Inventor： FENWICK CHRISTOPHER E , DAVIES LEONARD J , TUPPEN EDWARD B
IPC: F21S8/00
CPC classification number: F21S8/086 , F21Y2113/00
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公开(公告)号：US2477966A
公开(公告)日：1949-08-02
申请号：US763448
申请日：1948-02-11
Applicant: GEN ELECTRIC
Inventor： DAVIES LEONARD J , BOURNE HARRY K
IPC: F21S8/00
CPC classification number: F21S8/00 , F21W2111/02
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公开(公告)号：US2076286A
公开(公告)日：1937-04-06
申请号：US3987035
申请日：1935-09-09
Applicant: GEN ELECTRIC
Inventor： WARREN HENRY W H , DAVIES LEONARD J , MITCHELL JOHN H
IPC: H01J61/92
CPC classification number: H01J61/92
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公开(公告)号：US2512887A
公开(公告)日：1950-06-27
申请号：US71706046
申请日：1946-12-18
Applicant: GEN ELECTRIC
Inventor： DAVIES LEONARD J , LEONARD RUSHFORTH , SINCLAIR WILLIAM D , MILNER CHRISTOPHER J
IPC: H01J25/12
CPC classification number: H01J25/12
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Patent Agency Ranking
公开(公告)号：US2087754A
公开(公告)日：1937-07-20
申请号：US10811336
申请日：1936-10-28
Applicant: GEN ELECTRIC
Inventor： DAVIES LEONARD J
IPC: H01J61/52
CPC classification number: H01J61/52
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公开(公告)号：US2579109A
公开(公告)日：1951-12-18
申请号：US13778850
申请日：1950-01-10
Applicant: GEN ELECTRIC
Inventor： DAVIES LEONARD J , BEESON ERIC J G
IPC: H01J1/00
CPC classification number: H01J1/00 , H01J2893/0051
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公开(公告)号：US2177690A
公开(公告)日：1939-10-31
申请号：US15281637
申请日：1937-07-09
Applicant: GEN ELECTRIC
Inventor： DAVIES LEONARD J
IPC: H01J17/14
CPC classification number: H01J17/14
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公开(公告)号：US2042143A
公开(公告)日：1936-05-26
申请号：US72011234
申请日：1934-04-11
Applicant: GEN ELECTRIC
Inventor： HORACE CHENEY , DAVIES LEONARD J
IPC: H01J9/32
CPC classification number: H01J9/323
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公开(公告)号：US1955537A
公开(公告)日：1934-04-17
申请号：US51427731
申请日：1931-02-07
Applicant: GEN ELECTRIC
Inventor： DAVIES LEONARD J
IPC: H01J1/20
CPC classification number: H01J1/20
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