B01- PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL.239000002699 waste materials Substances 0.000 description 1.239000000203 mixtures Substances 0.000 claims abstract description 11.239000007788 liquids Substances 0.000 claims abstract description 13.238000001914 filtration Methods 0.000 claims abstract description 15.Assignors: DORR-OLIVER VENTURES INCORPORATED Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Assigned to CONTINENTAL ILLINOIS NATIONAL BANK AND TRUST COMPANY OF CHICAGO, 231 SOUTH LASALLE STREET, CHICAGO, ILLINOIS 60697 reassignment CONTINENTAL ILLINOIS NATIONAL BANK AND TRUST COMPANY OF CHICAGO, 231 SOUTH LASALLE STREET, CHICAGO, ILLINOIS 60697 MORTGAGE (SEE DOCUMENT FOR DETAILS). Assignors: DORR VENTURES, INC., A DE CORP. 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 Dorr Oliver Inc filed Critical Dorr Oliver Inc Priority to US05/866,578 priority Critical patent/US4142976A/en Application granted granted Critical Publication of US4142976A publication Critical patent/US4142976A/en Assigned to BANCBOSTON FINANCIAL COMPANY, A CORP OF CT reassignment BANCBOSTON FINANCIAL COMPANY, A CORP OF CT SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Original Assignee Dorr Oliver 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 or warranty as to the accuracy of the list.)
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Browne Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US05/866,578 Inventor Paul A.
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#Function of rotary vacuum filter pdf
Google Patents Barometric leg for rotary vacuum filterÄownload PDF Info Publication number US4142976A US4142976A US05/866,578 US86657878A US4142976A US 4142976 A US4142976 A US 4142976A US 86657878 A US86657878 A US 86657878A US 4142976 A US4142976 A US 4142976A Authority US United States Prior art keywords leg filtrate barometric leg vacuum filter Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US4142976A - Barometric leg for rotary vacuum filter US4142976A - Barometric leg for rotary vacuum filter