US2532606A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pebble heater
Assignee: Phillips Petroleum Co
•
Filing: 1948-01-05
•
Granted: 1950-12-05
•
Expires: 1968-01-05
Abstract
No abstract record available.
Inventors
- 👤 Church J Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:44
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/08; B01J8/087; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00327; B01J2208/00336; B01J2208/0038; B01J2208/00477; B01J2208/00495
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
141 words
IN A PROCESS FOR EFFECTING VAPOR PHASE CONVERSION OF HYDROCARBONS COMPRISING CONTINOUSLY CONTACTING A CONTIGUOUS DOWNWARDLY FLOWING MASS OF HOT PEBBLES IN AN ENCLOSED ZONE OF CYLINDRICAL HORIZONTAL CROSS-SECTION WITH A STREAM OF HYDROCARBON VAPOR UNDER CONVERSION CONDITIONS OF TIME, PRESSURE, AND TEMPERATURE SO AS TO EFFECT CONVERSION THEREOF, WHEREIN SAID PEBBLES ARE INTODUCED TO THE UPPER PORTION OF SAID ZONE AT A POINT CONTIGUOUS THE PERIPHERY THEREOF AND ARE WITHDRAWN FROM SAID ZONE AXIALLY THERETO, THEREBY EFFECTING MORE RAPID PEBBLE FLOW DOWN THE INLET SIDE OF SAID ZONE WITH CONCOMITANT CON-UNIFORM HEATING AND CONVERSION OF SAID HYDROCARBON, THE METHOD OF EFFECTING IMPROVED PEBBLE FLOW AND HYDROCARBON CONVERSION COMPRISING CONTINUOUSLY WITHDRAWING PEBBLES FROM SAID ZONE AT A POINT ECCENTRIC THERETO IN THE RANGE OF 1/100 TO 1/6 OF THE INSIDE DIAMETER OF SAID VESSEL AND DIAMETRICALLY OPPOSITE SAID POINT OF INTRODUCTION.
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) | 1953-12-04 | 1954-06-05 | 1954-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-04 | 1958-06-05 | 1958-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-04 | 1962-06-05 | 1962-12-05 | $7700.00 | Window Closed / Lapsed |