US3107293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fractionation control
Assignee: Phillips Petroleum Co
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Filing: 1960-07-29
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Granted: 1963-10-15
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Expires: 1980-07-29
Abstract
No abstract record available.
Inventors
- 👤 Ernest D Tolin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:40
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/42; B01D3/4211; B01D3/425
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
COMPUTING APPARATUS COMPRISING FIRST AND SECOND TEMPERATURE SENSING MEANS; MEANS RESPONSIVE TO SAID FIRST AND SECOND TEMPERATURE SENSING MEANS TO ESTABLISH A FIRST ALTERNATING ELECTRICAL SIGNAL REPRESENTATIVE OF THE DIFFERENCE OF THE TEMPERATURES OF SAID FIRST AND SECOND MEANS; A TRANSFORMER HAVING A PRIMARY COIL; A SECONDARY COIL, AND A CORE MOVABLE WITH RESPECT TO SAID COILS; MEANS TO ESTABLISH A SECOND SIGNAL REPRESENTATIVE OF THE RATE OF FLOW OF FLUID THROUGH A CONDUIT; MEANS TO APPLY SAID FIRST SIGNAL TO THE PRIMARY COIL OF SAID TRANSFORMER; AND MEANS RESPONSIVE TO SAID SECOND SIGNAL TO ADJUST THE POSITION OF SAID CORE RELATIVE TO SAID COILS TO MULTIPLY SAID FIRST SIGNAL BY SAID SECOND SIGNAL, THE PRODUCT BEING THE SIGNAL INDUCED IN SAID SECONDARY COIL.
Claim 2
Dependent Claim
124 words
COMPUTING APPARATUS COMPRISING FIRST AND SECOND TEMPERATURE SENSING MEANS; MEANS RESPONSIVE TO SAID FIRST AND SECOND TEMPERATURE SENSING MEANS TO ESTABLISH A FIRST ALTERNATING ELECTRICAL SIGNAL REPRESENTATIVE OF THE DIFFERENCE OF THE TEMPERATURES OF SAID FIRST AND SECOND MEANS; A TRANSFORMER HAVING A PRIMARY COIL; A SECONDARY COIL, AND A CORE MOVABLE WITH RESPECT TO SAID COILS; MEANS TO ESTABLISH A SECOND SIGNAL REPRESENTATIVE OF THE RATE OF FLOW OF FLUID THROUGH A CONDUIT; MEANS TO APPLY SAID FIRST SIGNAL TO THE PRIMARY COIL OF SAID TRANSFORMER; AND MEANS RESPONSIVE TO SAID SECOND SIGNAL TO ADJUST THE POSITION OF SAID CORE RELATIVE TO SAID COILS TO MULTIPLY SAID FIRST SIGNAL BY SAID SECOND SIGNAL, THE PRODUCT BEING THE SIGNAL INDUCED IN SAID SECONDARY COIL.
References Cited (Backward Citations)
US2439891A
Cited
US2636151A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-14 | 1967-04-15 | 1967-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-14 | 1971-04-15 | 1971-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-14 | 1975-04-15 | 1975-10-15 | $7700.00 | Window Closed / Lapsed |