US2644744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reactor for high-temperature cracking
Assignee: Universal Oil Products Co
•
Filing: 1951-02-26
•
Granted: 1953-07-07
•
Expires: 1971-02-26
Abstract
No abstract record available.
Inventors
- 👤 Karl T Hartwig
- 👤 Ellyn Glen
- 👤 Charles H Watkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:05
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/24; B01J19/2415; B01J19/243; B01J12/00; B01J12/005; B01J6/00; B01J6/008; C; C10; C10G; C10G9/00; C10G9/14; C10G9/18; C10G9/20; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00054; B01J2219/00056; B01J2219/00058; B01J2219/0015; B01J2219/00155; B01J2219/00157; B01J2219/00159; Y; Y10; Y10S; Y10S585/00; Y10S585/919; Y10S585/92; Y10S585/921; Y10S585/922; Y10S585/924
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
154 words
A REACTOR COMPRISING AN ELONGATED CHAMBER, A TUBULAR MEMBER POSITIONED CONCENTRICALLY AND LONGITUDINALLY IN THE CHAMBER AND HAVING A RELATIVELY THICK REFRACTORY BODY PORTION SPACED FROM THE CHAMBER WALLS AND A RELATIVELY THICK REFRACTORY END CLOSURE SPACED FROM THE CORRESPONDING END OF THE CHAMBER, THE OPPOSITE END OF THE TUBULAR MEMBER BEING OPEN TO PROVIDE COMMUNICATION BETWEEN THE INTERIOR OF SAID MEMBER AND THE ANNULAR SPACE BETWEEN SAID BODY PORTION AND SAID CHAMBER, REACTANT STREAM INLETS EXTENDING THROUGH SAID END OF THE CHAMBER, PIPE COILS CONNECTED TO SAID INLETS AND POSITIONED IN SAID ANNULAR SPACE AROUND SAID BODY PORTION OF THE TUBULAR MEMBER, A MIXING CHAMBER FORMED WITHIN SAID RELATIVELY THICK END CLOSURE AND DISCHARGING INTO THE INTERIOR OF THE TUBULAR MEMBER, GAS CONDUCTING CONDUITS EMBEDDED IN SAID BODY PORTION OF THE TUBULAR MEMBER AND CONNECTING SAID PIPE COILS WITH SAID MIXING CHAMBER, AND A GAS OUTLET FROM SAID END OF THE FIRS-MENTIONED CHAMBER.
References Cited (Backward Citations)
US1154869A
Cited
US1757855A
Cited
US1744750A
Cited
AU551027A
Cited
US2319508A
Cited
US2446309A
Cited
US2529598A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-06 | 1957-01-05 | 1957-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-06 | 1961-01-05 | 1961-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-06 | 1965-01-05 | 1965-07-07 | $7700.00 | Window Closed / Lapsed |