US3113102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trickling filter
Assignee: Individual
•
Filing: 1960-07-15
•
Granted: 1963-12-03
•
Expires: 1980-07-15
Abstract
No abstract record available.
Inventors
- 👤 Schulze Karl Ludwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:55
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/02; C02F3/10; C02F3/101; Y; Y02; Y02W; Y02W10/00; Y02W10/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
194 words
IN A TRICKLING FILTER, FOR SUPPORTING A BIOLOGICAL CULTURE IN AN AEROBIC PROCESS FOR DESTRUCTION OF ORGANIC MATERIALS DISPERSED IN AN AQUEOUS FLOW AND WHEREIN THE FLOW IS VERTICAL FORM TOP TO BOTTOM, THE COMBINATION COMPRISING: (A) A PLURALITY OF OPEN WORK AND GRID SCREENS, THE TRANSVERSE OPENINGS THERETHROUGH EACH BEING IN VERTICAL PLANE RELATIONSHIP AND SAID GRID MEMBERS DEFINING SAID OPENINGS PROVIDING GUIDE FLOW SURFACES AND SAID TRANSVERSE OPENINGS THUS DEFINED, BEING SUBSTANTIALLY LARGER THAN ANY DISPERSED SOLIDS, IN SAID AQUEOUS FLOW; (B) ADJACENT OF SAID GRID SCREENS BEING VERTICALLY CORRUGATED TO RESIST VERTICAL AXIAL STRESSES IN EXCESS OF THE WEIGHT OF SAID GRID SCREENS, BIOLOGICAL GROWTH THEREON, AND AQUEOUS FLOW DOWN SAID SURFACES, AND ADJACENT PEAKS AND SAID CORRUGATIONS BEING JOINED IN VERTICAL CONTACT SEAMS THEREBY DEFINING COLUMNAR VERTICAL VOIDS OF A SIZE SUBSTANTIALLY IN EXCESS OF THE SIZE OF ANY DISPERSED SOLIDS IN SAID AQUEOUS FLOW; AND (C) A PLURALITY OF SAID GRID SCREENS THUS FORMED GROUPED AND SECURED IN A UNIT FILLING A SPATIAL VOLUME AND A PLURALITY OF SAID UNITS BEING STACKED SO THAT ALL OF SAID COLUMAR VOIDS IN EACH OF SAID UNITS ARE IN PARALLEL VERTICAL RELATION.
Claim 2
Dependent Claim
194 words
IN A TRICKLING FILTER, FOR SUPPORTING A BIOLOGICAL CULTURE IN AN AEROBIC PROCESS FOR DESTRUCTION OF ORGANIC MATERIALS DISPERSED IN AN AQUEOUS FLOW AND WHEREIN THE FLOW IS VERTICAL FORM TOP TO BOTTOM, THE COMBINATION COMPRISING: (A) A PLURALITY OF OPEN WORK AND GRID SCREENS, THE TRANSVERSE OPENINGS THERETHROUGH EACH BEING IN VERTICAL PLANE RELATIONSHIP AND SAID GRID MEMBERS DEFINING SAID OPENINGS PROVIDING GUIDE FLOW SURFACES AND SAID TRANSVERSE OPENINGS THUS DEFINED, BEING SUBSTANTIALLY LARGER THAN ANY DISPERSED SOLIDS, IN SAID AQUEOUS FLOW; (B) ADJACENT OF SAID GRID SCREENS BEING VERTICALLY CORRUGATED TO RESIST VERTICAL AXIAL STRESSES IN EXCESS OF THE WEIGHT OF SAID GRID SCREENS, BIOLOGICAL GROWTH THEREON, AND AQUEOUS FLOW DOWN SAID SURFACES, AND ADJACENT PEAKS AND SAID CORRUGATIONS BEING JOINED IN VERTICAL CONTACT SEAMS THEREBY DEFINING COLUMNAR VERTICAL VOIDS OF A SIZE SUBSTANTIALLY IN EXCESS OF THE SIZE OF ANY DISPERSED SOLIDS IN SAID AQUEOUS FLOW; AND (C) A PLURALITY OF SAID GRID SCREENS THUS FORMED GROUPED AND SECURED IN A UNIT FILLING A SPATIAL VOLUME AND A PLURALITY OF SAID UNITS BEING STACKED SO THAT ALL OF SAID COLUMAR VOIDS IN EACH OF SAID UNITS ARE IN PARALLEL VERTICAL RELATION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |