US3127751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for the vaporization of liquid
Assignee: Linde GmbH
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Filing: 1961-07-20
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Granted: 1964-04-07
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Expires: 1981-07-20
Abstract
No abstract record available.
Inventors
- 👤 Ranke Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:48
CPC Classifications
F; F25; F25J; F25J3/00; F25J3/02; F25J3/04; F25J3/04763; F25J3/04769; F25J3/04854; F25J3/0486; F17; F17C; F17C13/00; F17C13/12; F17C2221/00; F17C2221/01; F17C2221/011; F17C2221/03; F17C2221/032; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2223/03; F17C2223/033; F17C2225/00; F17C2225/01; F17C2225/0146; F17C2225/0153; F17C2225/0161; F17C2227/00; F17C2227/03; F17C2227/0337; F17C2227/0341; F17C2227/0355; F17C2227/0367; F17C2227/0388; F17C2227/0393; F17C2250/00; F17C2250/06; F17C2250/0605; F17C2250/061; F17C2250/0636; F17C2260/00; F17C2260/04; F17C2260/042; F17C2265/00; F17C2265/01; F17C2265/015; F25J2205/00; F25J2205/02; F25J2220/00; F25J2220/52; F25J2250/00; F25J2250/30; F25J2250/42; F25J2250/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A PROCESS FOR THE CONTINUOUS VAPORIZATION OF LOW BOILING POINT LIQUID SUBSTANCE CONTAINING HIGHER BOILING POINT MIXTURES DOWN TO A RESIDUAL LIQUID, AND COMPRISING THE STEPS OF PASSING A GAS IN HEAT EXCHANGE RELATIONSHIP TO THE LOW BOILING POINT SUBSTANCE SO THAT THE GAS IS CONDENSED THEREBY, AND PERIODICALLY INTERRUPTING THE SUPPLY OF GAS TO THE SUBSTANCE TO FORM RESIDUAL LIQUID, THE MOMENT OF INTERRUPTION BEING A FUNCTION OF THE LEVEL OF THE RESIDUAL LIQUID SO THAT THE SUBSTANCE IF PERIODICALLY VAPORIZED.
Claim 2
Dependent Claim
82 words
A PROCESS FOR THE CONTINUOUS VAPORIZATION OF LOW BOILING POINT LIQUID SUBSTANCE CONTAINING HIGHER BOILING POINT MIXTURES DOWN TO A RESIDUAL LIQUID, AND COMPRISING THE STEPS OF PASSING A GAS IN HEAT EXCHANGE RELATIONSHIP TO THE LOW BOILING POINT SUBSTANCE SO THAT THE GAS IS CONDENSED THEREBY, AND PERIODICALLY INTERRUPTING THE SUPPLY OF GAS TO THE SUBSTANCE TO FORM RESIDUAL LIQUID, THE MOMENT OF INTERRUPTION BEING A FUNCTION OF THE LEVEL OF THE RESIDUAL LIQUID SO THAT THE SUBSTANCE IF PERIODICALLY VAPORIZED.
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) | 1967-04-07 | 1967-10-07 | 1968-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-07 | 1971-10-07 | 1972-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-07 | 1975-10-07 | 1976-04-07 | $7700.00 | Window Closed / Lapsed |