US2812929A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for injecting a fluid into a dispersion zone
Assignee: Phillips Petroleum Co
•
Filing: 1955-01-27
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Granted: 1957-11-12
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Expires: 1975-01-27
Abstract
No abstract record available.
Inventors
- 👤 Wilson H Rushford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:05
CPC Classifications
B; B01; B01D; B01D47/00; B01D47/06; Y; Y10; Y10S; Y10S261/00; Y10S261/09; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2579
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A PROCESS FOR COOLING A STREAM OF HOT GAS OV VARYING COOLING REQUIREMENTS TO A CONTROLLED TEMPERATURE WHICH COMPRISES PASSING SAID STREAM OF GAS THRU A COOLING ZONE; SPRAYING A LIQUID COOLANT INTO SAID GAS IN SAID ZONE THRU A PLURALITY OF SPRAY DEVICES FED BY A COMMON LIQUID SUPPLY LINE; VARYING THE FLOW OF LIQUID IN A FLOW CONTROL ZONE INN SAID SUPPLY LINE IN RESPONSE TO THE TEMPERATURE OF THE EFFLUENT GAS FROM SAID ZONE TO EFFECT RELATIVELY CONSTANT EFFLUENT TEMPERATURE; AND VARYING THE NUMBER OF SPRAY DEVICES IN FLOW ON SAID SUPPLY LINE SO AS TO MAINTAIN A RELATIVELY CONSTANT PRESSURE IN SAID SUPPLY LINE AT THE CHANGING FLOW RATES..
Claim 2
Dependent Claim
113 words
A PROCESS FOR COOLING A STREAM OF HOT GAS OV VARYING COOLING REQUIREMENTS TO A CONTROLLED TEMPERATURE WHICH COMPRISES PASSING SAID STREAM OF GAS THRU A COOLING ZONE; SPRAYING A LIQUID COOLANT INTO SAID GAS IN SAID ZONE THRU A PLURALITY OF SPRAY DEVICES FED BY A COMMON LIQUID SUPPLY LINE; VARYING THE FLOW OF LIQUID IN A FLOW CONTROL ZONE INN SAID SUPPLY LINE IN RESPONSE TO THE TEMPERATURE OF THE EFFLUENT GAS FROM SAID ZONE TO EFFECT RELATIVELY CONSTANT EFFLUENT TEMPERATURE; AND VARYING THE NUMBER OF SPRAY DEVICES IN FLOW ON SAID SUPPLY LINE SO AS TO MAINTAIN A RELATIVELY CONSTANT PRESSURE IN SAID SUPPLY LINE AT THE CHANGING FLOW RATES..
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-11 | 1961-05-13 | 1961-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-11 | 1965-05-13 | 1965-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-11 | 1969-05-13 | 1969-11-12 | $7700.00 | Window Closed / Lapsed |