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公开(公告)号：US809637A
公开(公告)日：1906-01-09
申请号：US1905241012
申请日：1905-01-14
Applicant: AMERICAN WATER SOFTENER COMPANY
Inventor： SPENCER IRA H
CPC classification number: F04C2/084
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公开(公告)号：US1243737A
公开(公告)日：1917-10-23
申请号：US1912696178
申请日：1912-05-09
Applicant: AMERICAN WATER SOFTENER COMPANY , HODKINSON GEORGE F
Inventor： HODKINSON GEORGE F
CPC classification number: C02F1/686 , Y10T137/2539
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公开(公告)号：US1114763A
公开(公告)日：1914-10-27
申请号：US1912709679
申请日：1912-07-16
Applicant: AMERICAN WATER SOFTENER COMPANY
Inventor： HODKINSON GEORGE F
CPC classification number: B01D24/4684 , B01D24/24 , B01D2101/04 , B01D2201/087
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公开(公告)号：US854160A
公开(公告)日：1907-05-21
申请号：US1906329199
申请日：1906-08-04
Applicant: AMERICAN WATER SOFTENER COMPANY
Inventor： GARRETT GEORGE SPENCER
CPC classification number: C02F1/686 , Y10T137/2519
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