US3178940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultrasonic measuring device
Assignee: Gulton Industries Inc
•
Filing: 1958-01-08
•
Granted: 1965-04-20
•
Expires: 1978-01-08
Abstract
No abstract record available.
Inventors
- 👤 Hugo E Dahlke
- 👤 Welkowitz Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:22
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/66; G01F1/665
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
A SYSTEM FOR MEASURING FLUID FLOW IN A CONDUIT, SAID SYSTEM INCLUDING A VIBRATION TRANSMITTING AND A VIBRATION RECEIVING TRANSDUCER COUPLED TO SAID CONDUIT, SAID TRANSMITTING TRANSDUCER BEING ORIENTED TO DIRECT A VIBRATION BEAM SUBSTANTIALLY TRANSVERSELY ACROSS THE CONDUIT IN THE ABSENCE OF FLUID FLOW, MEANS FOR ENERGIZING SAID TRANSMITTING TRANSDUCER INTERMITTENTLY TO GENERATE A PULSED VIBRATION WAVE BEAM, MEANS COUPLED TO SAID RECEIVING TRANSDUCER AND RESPONSIVE TO THE AMPLITUDE OF THE RECEIVED WAVE, SAID RECEIVING TRANSDUCER BEING DISPLACED A SHORT DISTANCE FROM SAID TRANSMITTING TRANSDUCER ALONG THE PRINCIPAL AXIS OF SAID CONDUIT IN THE DIRECTION OF THE ORIGIN OF THE FLOW OF THE FLUID THROUGH THE CONDUIT WHERE IT INTERCEPTS THE VIBRATION WAVE PULSATIONS DIRECTED TRANSVERSELY OF THE CONDUIT AND ECHO PULSATIONS THEREOF, THE AMOUNT OF VIBRATION ENERGY RECEIVED BY THE RECEIVING TRANSDUCER VARYING SUBSTANTIALLY WITH THE CHANGE IN THE FLOW OF THE FLUID AS THE VIBRATION WAVE BEAM IS DEFLECTED BY THE MOVEMENT THEREOF, AND A FLUID FLOW INDICATING MEANS COUPLED TO SAID RECEIVING TRANSDUCER AND RESPONSIVE TO THE OUTPUT OF SAID RECEIVING TRANSDUCER FOR INDICATING FLUID FLOW.
Claim 2
Independent Claim
180 words
A SYSTEM FOR MEASURING FLUID FLOW IN A CONDUIT, SAID SYSTEM INCLUDING A VIBRATION TRANSMITTING AND A VIBRATION RECEIVING TRANSDUCER COUPLED TO SAID CONDUIT, SAID TRANSMITTING TRANSDUCER BEING ORIENTED TO DIRECT A VIBRATION BEAM SUBSTANTIALLY TRANSVERSELY ACROSS THE CONDUIT IN THE ABSENCE OF FLUID FLOW, MEANS FOR ENERGIZING SAID TRANSMITTING TRANSDUCER INTERMITTENTLY TO GENERATE A PULSED VIBRATION WAVE BEAM, MEANS COUPLED TO SAID RECEIVING TRANSDUCER AND RESPONSIVE TO THE AMPLITUDE OF THE RECEIVED WAVE, SAID RECEIVING TRANSDUCER BEING DISPLACED A SHORT DISTANCE FROM SAID TRANSMITTING TRANSDUCER ALONG THE PRINCIPAL AXIS OF SAID CONDUIT IN THE DIRECTION OF THE ORIGIN OF THE FLOW OF THE FLUID THROUGH THE CONDUIT WHERE IT INTERCEPTS THE VIBRATION WAVE PULSATIONS DIRECTED TRANSVERSELY OF THE CONDUIT AND ECHO PULSATIONS THEREOF, THE AMOUNT OF VIBRATION ENERGY RECEIVED BY THE RECEIVING TRANSDUCER VARYING SUBSTANTIALLY WITH THE CHANGE IN THE FLOW OF THE FLUID AS THE VIBRATION WAVE BEAM IS DEFLECTED BY THE MOVEMENT THEREOF, AND A FLUID FLOW INDICATING MEANS COUPLED TO SAID RECEIVING TRANSDUCER AND RESPONSIVE TO THE OUTPUT OF SAID RECEIVING TRANSDUCER FOR INDICATING FLUID FLOW.
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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) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |