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公开(公告)号:US2285909A
公开(公告)日:1942-06-09
申请号:US33958940
申请日:1940-06-08
Applicant: GEN ELECTRIC
Inventor: WALTHER DAWIHL
IPC: B24D3/08
CPC classification number: B24D3/08 , Y10T428/12208
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2.Hard metal alloy for structures operating under pressure and/or sliding motion 失效
Title translation: 用于在压力和/或滑动下运行的结构的硬质合金公开(公告)号:US2253969A
公开(公告)日:1941-08-26
申请号:US33959040
申请日:1940-06-08
Applicant: GEN ELECTRIC
Inventor: WALTHER DAWIHL
IPC: C22C29/06
CPC classification number: C22C29/06 , F16C33/043 , Y10S4/08 , Y10S384/912
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公开(公告)号:US2196009A
公开(公告)日:1940-04-02
申请号:US24422238
申请日:1938-12-06
Applicant: GEN ELECTRIC
Inventor: WALTHER DAWIHL , KARL SCHROTER
IPC: C04B35/56
CPC classification number: C04B35/5626
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4.Luminescent or phosphorescent body and the process of manufacturing the same 失效
Title translation: 发光或磷光体及其制造过程相同公开(公告)号:US2177691A
公开(公告)日:1939-10-31
申请号:US8729436
申请日:1936-06-25
Applicant: GEN ELECTRIC
Inventor: WALTHER DAWIHL , OTTO FRITZE , ALFRED RUTTENAUER
IPC: C09K11/02
CPC classification number: C09K11/02 , Y10T428/24942
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公开(公告)号:US2162574A
公开(公告)日:1939-06-13
申请号:US18131837
申请日:1937-12-23
Applicant: GEN ELECTRIC
Inventor: WALTHER DAWIHL , KARL SCHROTER
IPC: C22C29/06
CPC classification number: C22C29/06
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公开(公告)号:US2251007A
公开(公告)日:1941-07-29
申请号:US22845238
申请日:1938-09-03
Applicant: GEN ELECTRIC
Inventor: KARL SCHROTER , WALTHER DAWIHL
IPC: C04B37/02
CPC classification number: C04B37/02 , C04B37/025 , C04B2235/6562 , C04B2237/10 , C04B2237/34 , C04B2237/406 , C04B2237/72 , C04B2237/76 , C04B2237/78 , Y10T407/26 , Y10T407/27
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公开(公告)号:US2246166A
公开(公告)日:1941-06-17
申请号:US32697240
申请日:1940-03-30
Applicant: GEN ELECTRIC
Inventor: WALTHER DAWIHL , KARL SCHROTER
IPC: C22C1/05
CPC classification number: C22C1/055
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公开(公告)号:US2224595A
公开(公告)日:1940-12-10
申请号:US26138839
申请日:1939-03-11
Applicant: GEN ELECTRIC
Inventor: WALTHER DAWIHL , KARL SCHROTER
IPC: C04B35/71
CPC classification number: C04B35/71
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公开(公告)号:US2289104A
公开(公告)日:1942-07-07
申请号:US39953041
申请日:1941-06-24
Applicant: GEN ELECTRIC
Inventor: WALTHER DAWIHL , KARL SCHROTER
IPC: C22C1/05
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10.Method for producing sintered hard metal from pulverulent materials 失效
Title translation: 从粉状材料制备烧结硬质金属的方法公开(公告)号:US2246165A
公开(公告)日:1941-06-17
申请号:US27622239
申请日:1939-05-27
Applicant: GEN ELECTRIC
Inventor: WALTHER DAWIHL , HERMANN FRANSSEN
IPC: C22C1/05
CPC classification number: C22C1/051 , Y10S29/046
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