CA978484A - Granular bed filter method and apparatus - Google Patents

Granular bed filter method and apparatus

Info

Publication number
CA978484A
CA978484A CA155,802A CA155802A CA978484A CA 978484 A CA978484 A CA 978484A CA 155802 A CA155802 A CA 155802A CA 978484 A CA978484 A CA 978484A
Authority
CA
Canada
Prior art keywords
filter method
bed filter
granular bed
granular
filter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA155,802A
Other versions
CA155802S (en
Inventor
Bodo Kalen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ducon Co Inc
Original Assignee
Ducon Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ducon Co Inc filed Critical Ducon Co Inc
Priority to CA155,802A priority Critical patent/CA978484A/en
Application granted granted Critical
Publication of CA978484A publication Critical patent/CA978484A/en
Expired legal-status Critical Current

Links

CA155,802A 1972-11-07 1972-11-07 Granular bed filter method and apparatus Expired CA978484A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA155,802A CA978484A (en) 1972-11-07 1972-11-07 Granular bed filter method and apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA155,802A CA978484A (en) 1972-11-07 1972-11-07 Granular bed filter method and apparatus

Publications (1)

Publication Number Publication Date
CA978484A true CA978484A (en) 1975-11-25

Family

ID=4094917

Family Applications (1)

Application Number Title Priority Date Filing Date
CA155,802A Expired CA978484A (en) 1972-11-07 1972-11-07 Granular bed filter method and apparatus

Country Status (1)

Country Link
CA (1) CA978484A (en)

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Legal Events

Date Code Title Description
MKEX Expiry

Effective date: 19921125