Patent US1689954A successfully refreshed from Google Patents.
Patent US2322606A successfully refreshed from Google Patents.
US3200050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal compression stills
Assignee: Aquastills Inc
•
Filing: 1960-04-14
•
Granted: 1965-08-10
•
Expires: 1980-04-14
Abstract
No abstract record available.
Inventors
- 👤 Walter H Hogan
- 👤 Kenneth C D Hickman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:15
CPC Classifications
B; B01; B01D; B01D1/00; B01D1/28; B01D1/289; B01D1/2887; B01D3/00; B01D3/08; Y; Y10; Y10S; Y10S203/00; Y10S203/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
IN A THERMAL COMPRESSION STILL FOR EVAPORATING AND CONDENSING DISTILLABLE LIQUID AND HAVING A PHASE SEPARATION BARRIER AND HEAT EXCHANGER STRUXTURE OF HIGH THERMAL CONDUCTIVITY PROVIDING AN EVAPORATING SURFACE ON ONE SIDE AND A CONDENSING SURFACE ON THE OPPOSITE SIDE, A DEGASSER FOR THE DISTILLAND INCLUDING A ROTATABLE MEMBER, MEANS FOR SUPPLYING DISTILLAND ONTO SAID ROTATABLE MEMBER, MEANS FOR ROTATING SAID ROTATABLE MEMBER SO AS TO DISTRIBUTE THE DISTILLAND THEREON AND TO DISCHARGE THE DISTILLAND THEREFROM, MEANS FOR SUPPLYING THE DEGASSED DISTILLAND FROM SAID DEGASSER TO THE EVAPORATING SURFACE, MEANS FOR PASSING STEAM EVOLVED IN THE STILL IN CONTACT WITH THE DISTILLAND WHILE THE SAME IS ON SAID ROTATABLE MEMBER, AND MEANS FOR WITHDRAWING GAS FROM SAID DEGASSER.
Claim 2
Dependent Claim
118 words
IN A THERMAL COMPRESSION STILL FOR EVAPORATING AND CONDENSING DISTILLABLE LIQUID AND HAVING A PHASE SEPARATION BARRIER AND HEAT EXCHANGER STRUXTURE OF HIGH THERMAL CONDUCTIVITY PROVIDING AN EVAPORATING SURFACE ON ONE SIDE AND A CONDENSING SURFACE ON THE OPPOSITE SIDE, A DEGASSER FOR THE DISTILLAND INCLUDING A ROTATABLE MEMBER, MEANS FOR SUPPLYING DISTILLAND ONTO SAID ROTATABLE MEMBER, MEANS FOR ROTATING SAID ROTATABLE MEMBER SO AS TO DISTRIBUTE THE DISTILLAND THEREON AND TO DISCHARGE THE DISTILLAND THEREFROM, MEANS FOR SUPPLYING THE DEGASSED DISTILLAND FROM SAID DEGASSER TO THE EVAPORATING SURFACE, MEANS FOR PASSING STEAM EVOLVED IN THE STILL IN CONTACT WITH THE DISTILLAND WHILE THE SAME IS ON SAID ROTATABLE MEMBER, AND MEANS FOR WITHDRAWING GAS FROM SAID DEGASSER.
References Cited (Backward Citations)
US2734023A
Cited
US2899366A
Cited
US1213596A
Cited
US1766699A
Cited
US1865425A
Cited
US2210928A
Cited
DE684095C
Cited
GB617613A
Cited
US2696465A
Cited
US3000795A
Cited
US2996439A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |