Patent US1173719A successfully refreshed from Google Patents.
Patent US3686947A successfully refreshed from Google Patents.
US3686947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for measuring the quantity of liquid passing through a pipe
Assignee: Individual
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Filing: 1969-11-21
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Granted: 1972-08-29
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Expires: 1989-11-21
Abstract
Abstract The present invention relates to a device for measuring the quantity of liquid passing through a pipe or the like in which two strainers are provided in front and back of a moving vane installed in the pipe, and the end of the shaft on which said moving vane is mounted projects out of the pipe and is connected directly or indirectly to an integrating meter.
Inventors
- 👤 Sozaburo Maeshiba
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:01
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/10; G01F1/11; G01F15/00
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
139 words
A device for measuring the quantity of liquid passing through a pipe, said device comprising and S-shaped pipe section having a central portion extending in a direction having a substantially vertical component, with the inlet end of said central portion below its outlet, a shaft coaxial with said central portion and extending through the wall of said pipe section at one end of said central portion, a vane in said central portion mounted to rotate with said shaft, a meter mounted outside said pipe and connected to be driven by said shaft, a first strainer thinner than the diameter of the apertures therein mounted between said vane and the inlet end of said pipe section and a second strainer thinner than the diameter of the apertures therein mounted between the outlet end of said pipe section and said vane.
Claim 2
Independent Claim
139 words
A device for measuring the quantity of liquid passing through a pipe, said device comprising and S-shaped pipe section having a central portion extending in a direction having a substantially vertical component, with the inlet end of said central portion below its outlet, a shaft coaxial with said central portion and extending through the wall of said pipe section at one end of said central portion, a vane in said central portion mounted to rotate with said shaft, a meter mounted outside said pipe and connected to be driven by said shaft, a first strainer thinner than the diameter of the apertures therein mounted between said vane and the inlet end of said pipe section and a second strainer thinner than the diameter of the apertures therein mounted between the outlet end of said pipe section and said vane.
Claim 3
Dependent Claim
15 words
A device as claimed in claim 1 in which said central portion is substantially vertical.
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) | 1975-08-29 | 1976-02-28 | 1976-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-29 | 1980-02-28 | 1980-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-29 | 1984-02-28 | 1984-08-29 | $7700.00 | Window Closed / Lapsed |