US3150865A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid heating process and apparatus
Assignee: Heinrich Koppers GmbH
•
Filing: 1962-10-29
•
Granted: 1964-09-29
•
Expires: 1982-10-29
Abstract
No abstract record available.
Inventors
- 👤 Goeke Eberhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:13
CPC Classifications
C; C21; C21B; C21B9/00; C21B9/10; C21B9/12; C21B9/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A FLUID-HEATING PROCESS COMPRISING THE STEPS OF BURNING A COMBUSTIBLE FLUID; DIRECTING THE PRODUCTS OF COMBUSTION FROM THE BURNING OF SAID COMBUSTIBLE FLUID THROUGH A REGENERATOR IN WHICH FLUID WILL SUBSEQUENTLY BE HEATED; PREHEATING COMBUSTIBLE FLUID PRIOR TO SAID BURNING THEREOF WITH THE PRODUCTS OF COMBUSTION WHICH DISCHARGE FROM THE REGENERATOR AS WELL AS BY ADDITIONAL HEAT ADDED TO THE PRODUCTS OF COMBUSTION; AND ADJUSTING THE AMOUNT OF ADDITIONAL ADDED HEAT SO THAT THE RESULTING PREHEATING WILL MAINTAIN THE TEMPERATURE OF THE PREHEATED COMBUSTIBLE FLUID SUBSTANTIALLY CONSTANT THROUGHOUT THE ENTIRE HEATING OF THE REGENERATOR.
Claim 2
Dependent Claim
94 words
A FLUID-HEATING PROCESS COMPRISING THE STEPS OF BURNING A COMBUSTIBLE FLUID; DIRECTING THE PRODUCTS OF COMBUSTION FROM THE BURNING OF SAID COMBUSTIBLE FLUID THROUGH A REGENERATOR IN WHICH FLUID WILL SUBSEQUENTLY BE HEATED; PREHEATING COMBUSTIBLE FLUID PRIOR TO SAID BURNING THEREOF WITH THE PRODUCTS OF COMBUSTION WHICH DISCHARGE FROM THE REGENERATOR AS WELL AS BY ADDITIONAL HEAT ADDED TO THE PRODUCTS OF COMBUSTION; AND ADJUSTING THE AMOUNT OF ADDITIONAL ADDED HEAT SO THAT THE RESULTING PREHEATING WILL MAINTAIN THE TEMPERATURE OF THE PREHEATED COMBUSTIBLE FLUID SUBSTANTIALLY CONSTANT THROUGHOUT THE ENTIRE HEATING OF THE REGENERATOR.
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) | 1967-09-29 | 1968-03-30 | 1968-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-29 | 1972-03-30 | 1972-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-29 | 1976-03-30 | 1976-09-29 | $7700.00 | Window Closed / Lapsed |