-
公开(公告)号:US3052527A
公开(公告)日:1962-09-04
申请号:US65685157
申请日:1957-05-03
Applicant: SMITH CORP A O
Inventor: ANDRUS ORRIN E
CPC classification number: B01D19/0031 , C02F1/20
-
公开(公告)号:US2843052A
公开(公告)日:1958-07-15
申请号:US47561854
申请日:1954-12-16
Applicant: SMITH CORP A O
Inventor: ANDRUS ORRIN E
IPC: E21B33/127
CPC classification number: E21B33/1275 , Y10T137/1797 , Y10T137/1827
-
公开(公告)号:US2808373A
公开(公告)日:1957-10-01
申请号:US36579853
申请日:1953-07-03
Applicant: SMITH CORP A O
Inventor: ANDRUS ORRIN E
IPC: H01L35/00
CPC classification number: H01L35/00
-
公开(公告)号:US2573126A
公开(公告)日:1951-10-30
申请号:US338848
申请日:1948-01-21
Applicant: SMITH CORP A O
Inventor: ANDRUS ORRIN E
IPC: H02K5/128
CPC classification number: H02K5/1285 , Y10T29/49012
-
公开(公告)号:US2471475A
公开(公告)日:1949-05-31
申请号:US72753847
申请日:1947-02-10
Applicant: SMITH CORP A O
Inventor: ANDRUS ORRIN E
CPC classification number: F24H9/124 , F16L41/084
-
公开(公告)号:US2768424A
公开(公告)日:1956-10-30
申请号:US34969753
申请日:1953-04-20
Applicant: SMITH CORP A O
Inventor: ANDRUS ORRIN E
IPC: H01L35/34
CPC classification number: H01L35/34 , Y10T29/49091
-
公开(公告)号:US2583804A
公开(公告)日:1952-01-29
申请号:US338748
申请日:1948-01-21
Applicant: SMITH CORP A O
Inventor: ANDRUS ORRIN E
IPC: H02K3/44
CPC classification number: H02K3/44
-
公开(公告)号:US2469099A
公开(公告)日:1949-05-03
申请号:US338648
申请日:1948-01-21
Applicant: SMITH CORP A O
Inventor: ANDRUS ORRIN E
IPC: H02K3/38
CPC classification number: H02K3/38
-
公开(公告)号:US2343440A
公开(公告)日:1944-03-07
申请号:US39360641
申请日:1941-05-15
Applicant: SMITH CORP A O
Inventor: ANDRUS ORRIN E
-
公开(公告)号:US2015173A
公开(公告)日:1935-09-24
申请号:US67627133
申请日:1933-06-17
Applicant: SMITH CORP A O
Inventor: ANDRUS ORRIN E
IPC: B23K11/00
CPC classification number: B23K11/0033 , Y10S220/917
-
-
-
-
-
-
-
-
-