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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
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Abstract

No abstract record available.

Inventors

  • 👤 Paul A Manor

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 18:08
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

References Cited (Backward Citations)

CA604168A Cited
US1454396A Cited
US1616841A Cited
GB418434A Cited
US2300694A Cited
US2396984A Cited
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FR1241284A Cited

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

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