US3099287A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power operation for valves
Assignee: Rockwell Manufacturing Co
•
Filing: 1960-12-27
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Granted: 1963-07-30
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Expires: 1980-12-27
Abstract
No abstract record available.
Inventors
- 👤 Paul A Manor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:54
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/02; F15B15/06; F15B15/065; F16; F16K; F16K31/00; F16K31/12; F16K31/16; F16K31/163; F16K31/1635; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7723
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
IN COMBINATION: (A) A PIPELINE CONDUCTING GAS UNDER PRESSURE; (B) A VALVE ASSEMBLY IN THE PIPELINE AND COMPRISING A CASING PROVIDING A PASSAGE THERETHROUGH AND A ROTATABLE PLUG FOR BLOCKING OR PERMITTING FLOW OF GAS THROUGH SAID PASSAGE; (C) A VALVE STEM CONNECTED TO SAID PLUG AND PROJECTING THROUGH SAID CASING; (D) AN OPERATOR ASSEMBLY MOUNTED ON SAID CASING AND COMPRISING A HOUSING DEFINING A LIQUID RESERVOIR CHAMBER; (E) MEANS ON SAID HOUSING PROVIDING AT LEAST TWO OPPOSED MOTORS COMPRISING MOVABLE PRESSURE RESPONSIVE ELEMENTS; (F) MOTION TRANSMITTING MEANS IN THE HOUSING CONNECTING SAID ELEMENTS WITH SAID VALVE STEM; (G) CONDUIT MEANS CONNECTING SAID PIPELINE TO SAID MOTORS AND A REVERSING VALVE IN SAID CONDUIT MEANS FOR APPLYING GAS PRESSURE FROM SAID PIPELINE TO ONE OR THE OTHER OF SAID MOTORS FOR SELECTIVELY REVERSIBLY TURNING SAID VALVE STEM; (H) AND AUXILIARY MEANS FOR TURNING THE VALVE STEM IN THE EVENT OF GAS PRESSURE FAILURE IN THE PIPELINE
Claim 2
Dependent Claim
156 words
IN COMBINATION: (A) A PIPELINE CONDUCTING GAS UNDER PRESSURE; (B) A VALVE ASSEMBLY IN THE PIPELINE AND COMPRISING A CASING PROVIDING A PASSAGE THERETHROUGH AND A ROTATABLE PLUG FOR BLOCKING OR PERMITTING FLOW OF GAS THROUGH SAID PASSAGE; (C) A VALVE STEM CONNECTED TO SAID PLUG AND PROJECTING THROUGH SAID CASING; (D) AN OPERATOR ASSEMBLY MOUNTED ON SAID CASING AND COMPRISING A HOUSING DEFINING A LIQUID RESERVOIR CHAMBER; (E) MEANS ON SAID HOUSING PROVIDING AT LEAST TWO OPPOSED MOTORS COMPRISING MOVABLE PRESSURE RESPONSIVE ELEMENTS; (F) MOTION TRANSMITTING MEANS IN THE HOUSING CONNECTING SAID ELEMENTS WITH SAID VALVE STEM; (G) CONDUIT MEANS CONNECTING SAID PIPELINE TO SAID MOTORS AND A REVERSING VALVE IN SAID CONDUIT MEANS FOR APPLYING GAS PRESSURE FROM SAID PIPELINE TO ONE OR THE OTHER OF SAID MOTORS FOR SELECTIVELY REVERSIBLY TURNING SAID VALVE STEM; (H) AND AUXILIARY MEANS FOR TURNING THE VALVE STEM IN THE EVENT OF GAS PRESSURE FAILURE IN THE PIPELINE
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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) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |