-
公开(公告)号:US1936086A
公开(公告)日:1933-11-21
申请号:US33199529
申请日:1929-01-12
Applicant: TEXAS CO
Inventor: HALL FRANK W , LAUER CARL E
-
公开(公告)号:US1935709A
公开(公告)日:1933-11-21
申请号:US55938531
申请日:1931-08-26
Applicant: TEXAS CO
Inventor: HALL FRANK W
IPC: B01D3/20
CPC classification number: B01D3/205
-
公开(公告)号:US1930974A
公开(公告)日:1933-10-17
申请号:US41901530
申请日:1930-01-07
Applicant: TEXAS CO
Inventor: HALL FRANK W , GRAHAME JAMES H
IPC: C10G7/00
CPC classification number: C10G7/00
-
公开(公告)号:US1832629A
公开(公告)日:1931-11-17
申请号:US19404327
申请日:1927-05-25
Applicant: TEXAS CO
Inventor: HALL FRANK W
CPC classification number: C10G11/08 , C10G29/12 , Y10T137/86187
-
公开(公告)号:US1619022A
公开(公告)日:1927-03-01
申请号:US52587621
申请日:1921-12-30
Applicant: TEXAS CO
Inventor: HALL FRANK W
IPC: C01F7/60
CPC classification number: C01F7/60
-
公开(公告)号:US1508451A
公开(公告)日:1924-09-16
申请号:US51908621
申请日:1921-12-01
Applicant: TEXAS CO
Inventor: GRAY GEORGE W , HALL FRANK W
CPC classification number: C01F7/58 , C01F7/60 , Y02P20/129
-
公开(公告)号:US1503648A
公开(公告)日:1924-08-05
申请号:US36586120
申请日:1920-03-15
Applicant: TEXAS CO
Inventor: HALL FRANK W
IPC: C01F7/58
CPC classification number: C01F7/58
-
公开(公告)号:US1405115A
公开(公告)日:1922-01-31
申请号:US36219920
申请日:1920-03-01
Applicant: TEXAS CO
Inventor: HALL FRANK W
IPC: C01F7/58
CPC classification number: C01F7/58
-
公开(公告)号:US2166005A
公开(公告)日:1939-07-11
申请号:US7270836
申请日:1936-04-04
Applicant: TEXAS CO
Inventor: HALL FRANK W
IPC: C10G73/06
CPC classification number: C10G73/06
-
公开(公告)号:US2005675A
公开(公告)日:1935-06-18
申请号:US53304231
申请日:1931-04-27
Applicant: TEXAS CO
Inventor: HALL FRANK W , SMITH HARRIS A
IPC: C10G9/00
-
-
-
-
-
-
-
-
-