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公开(公告)号:US2428254A
公开(公告)日:1947-09-30
申请号:US52739144
申请日:1944-03-21
Applicant: GEN ELECTRIC
Inventor: WALLE LUDWIG S
IPC: H01H9/34
CPC classification number: H01H9/34
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公开(公告)号:US1477401A
公开(公告)日:1923-12-11
申请号:US56045922
申请日:1922-05-12
Applicant: GEN ELECTRIC
Inventor: WALLE LUDWIG S
IPC: H02H11/00
CPC classification number: H02H11/005
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公开(公告)号:US2457617A
公开(公告)日:1948-12-28
申请号:US72636647
申请日:1947-02-04
Applicant: GEN ELECTRIC
Inventor: WALLE LUDWIG S
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公开(公告)号:US2425770A
公开(公告)日:1947-08-19
申请号:US58390145
申请日:1945-03-21
Applicant: GEN ELECTRIC
Inventor: WALLE LUDWIG S
IPC: H01H50/20
CPC classification number: H01H50/20
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公开(公告)号:US2352984A
公开(公告)日:1944-07-04
申请号:US44806642
申请日:1942-06-23
Applicant: GEN ELECTRIC
Inventor: WALLE LUDWIG S
CPC classification number: H01H33/76
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公开(公告)号:US1971205A
公开(公告)日:1934-08-21
申请号:US64525732
申请日:1932-12-01
Applicant: GEN ELECTRIC
Inventor: WALLE LUDWIG S
IPC: H01H71/40
CPC classification number: H01H71/405
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公开(公告)号:US1818832A
公开(公告)日:1931-08-11
申请号:US49451330
申请日:1930-11-10
Applicant: GEN ELECTRIC
Inventor: WALLE LUDWIG S
IPC: H01H1/50
CPC classification number: H01H1/50
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公开(公告)号:US1781561A
公开(公告)日:1930-11-11
申请号:US30607328
申请日:1928-09-14
Applicant: GEN ELECTRIC
Inventor: WALLE LUDWIG S
IPC: H01H3/26
CPC classification number: H01H3/26 , Y10T307/937
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公开(公告)号:US2446859A
公开(公告)日:1948-08-10
申请号:US55866644
申请日:1944-10-14
Applicant: GEN ELECTRIC
Inventor: TRAVER OLIVER C , WALLE LUDWIG S
IPC: H01H9/44
CPC classification number: H01H9/446
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公开(公告)号:US2337949A
公开(公告)日:1943-12-28
申请号:US44497242
申请日:1942-05-29
Applicant: GEN ELECTRIC
Inventor: WALLE LUDWIG S
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