-
公开(公告)号:US2118388A
公开(公告)日:1938-05-24
申请号:US8789036
申请日:1936-06-29
Applicant: SMITH CORP A O
Inventor: ZERBE FREDERICK K
IPC: B23K9/00
CPC classification number: B23K9/0026 , Y10S220/29
-
公开(公告)号:US2243240A
公开(公告)日:1941-05-27
申请号:US19676838
申请日:1938-03-18
Applicant: SMITH CORP A O
Inventor: ZERBE FREDERICK K
IPC: B01J3/04
CPC classification number: B01J3/048
-
公开(公告)号:US2165066A
公开(公告)日:1939-07-04
申请号:US15497037
申请日:1937-07-22
Applicant: SMITH CORP A O
Inventor: NEEDHAM HOWARD H , SCHMITZ JR HENRY A , ZERBE FREDERICK K
IPC: B22D41/00
CPC classification number: B22D41/00
-
公开(公告)号:US2217090A
公开(公告)日:1940-10-08
申请号:US20652538
申请日:1938-05-07
Applicant: SMITH CORP A O
Inventor: ZERBE FREDERICK K
CPC classification number: B21D51/24 , B01J3/048 , Y10T29/49879 , Y10T29/49904
-
公开(公告)号:US2179774A
公开(公告)日:1939-11-14
申请号:US5329535
申请日:1935-12-07
Applicant: SMITH CORP A O
Inventor: ZERBE FREDERICK K
IPC: B23K5/00
CPC classification number: B23K5/006 , Y10S29/048 , Y10S220/29
-
公开(公告)号:US2092490A
公开(公告)日:1937-09-07
申请号:US5329635
申请日:1935-12-07
Applicant: SMITH CORP A O
Inventor: ZERBE FREDERICK K
CPC classification number: B65D25/04 , B01J3/048 , B21D51/24 , B65D7/38 , B65D25/14 , F17C1/10 , F17C2201/0109 , F17C2201/0166 , F17C2201/056 , F17C2203/0604 , F17C2203/0619 , F17C2203/0636 , F17C2203/0639 , F17C2203/0648 , F17C2205/0397 , F17C2209/221 , F17C2209/232 , Y10S220/29
-
公开(公告)号:US2839218A
公开(公告)日:1958-06-17
申请号:US44147154
申请日:1954-07-06
Applicant: SMITH CORP A O
Inventor: ZERBE FREDERICK K
CPC classification number: B01J3/03 , F16J13/10 , Y10T292/205
-
公开(公告)号:US2627361A
公开(公告)日:1953-02-03
申请号:US11524449
申请日:1949-09-12
Applicant: SMITH CORP A O
Inventor: ZERBE FREDERICK K
IPC: F16J13/12
CPC classification number: F16J13/12
-
公开(公告)号:US2623362A
公开(公告)日:1952-12-30
申请号:US3942048
申请日:1948-07-19
Applicant: SMITH CORP A O
Inventor: ZERBE FREDERICK K
CPC classification number: F17C13/04 , F17C13/002 , Y10T137/8342
-
公开(公告)号:US2166999A
公开(公告)日:1939-07-25
申请号:US11746436
申请日:1936-12-24
Applicant: SMITH CORP A O
Inventor: NEEDHAM HOWARD H , ZERBE FREDERICK K
CPC classification number: F16J13/065 , B01J3/03 , Y10T292/212
-
-
-
-
-
-
-
-
-