US3348682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for operating a filter belt
Assignee: GEA Group AG
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Filing: 1965-04-16
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Granted: 1967-10-24
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Expires: 1985-04-16
Abstract
No abstract record available.
Inventors
- 👤 Aulich Willi
- 👤 Ley Edwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:54
CPC Classifications
B; B01; B01D; B01D33/00; B01D33/04; B01D33/056; B01D33/58; B01D33/60; B01D33/62; B01D33/66; B01D33/663; B01D33/70; B01D33/72; B01D33/80; B01D33/804; B01D33/807; B01D2201/00; B01D2201/20; B01D2201/204
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A PROCESS FOR AUTOMATICALLY CONTROLLING A BELT FILTER WHEREIN THE SPEED OF THE BELT FILTER IS DEPENDENT ON RTE OF FILTRATION, THE STEPS COMPRISING FEEDING A SUSPENSION ONTO THE BELT FILTER WHICH IS DRIVEN BY A DRIVE MEANS, FILTERING THE SUSPENSION WITH THE BELT FILTER WHEREBY A FILTER CAKE IS PRODUCED, WASHING THE CAKE ON THE BELT FILTER WHEREBY A WASH FILTRATE IS PRODUCED, MEASURING THE DENSITY
Claim 2
Dependent Claim
67 words
A PROCESS FOR AUTOMATICALLY CONTROLLING A BELT FILTER WHEREIN THE SPEED OF THE BELT FILTER IS DEPENDENT ON RTE OF FILTRATION, THE STEPS COMPRISING FEEDING A SUSPENSION ONTO THE BELT FILTER WHICH IS DRIVEN BY A DRIVE MEANS, FILTERING THE SUSPENSION WITH THE BELT FILTER WHEREBY A FILTER CAKE IS PRODUCED, WASHING THE CAKE ON THE BELT FILTER WHEREBY A WASH FILTRATE IS PRODUCED, MEASURING THE DENSITY
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |