US3572118A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbine-wheel watermeter
Assignee: PAUL NEUHOFF AND CO GmbH
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Filing: 1969-05-07
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Granted: 1971-03-23
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Expires: 1989-05-07
Abstract
Abstract AN IMPROVED TURBINE-WHEEL TYPE METER COMPRISES TWO FREELY ROTATABLE TURBINE METER WHEELS ON A COMMON SHAFT IN A SUITABLE HOUSING. THE WHEELS ARE ANGULARLY ADJUSTABLE WITH RESPECT TO ONE ANOTHER FROM A MATCHING POSITION TO ONE OF MAXIMUM OFFSET. A MULTIPLICITY OF PAIRED INLET ORIFICES AROUND THE PERIPHERY OF THE HOUSING DIRECT THE FLUID TO BE MEASURED TANGENTIALLY AGAINST THE BLADES OF ONE OF THE WHEELS, AND OUTLET PASSAGEWAYS REMOVE DISCHARGED FLUID FROM THE VANES OF THE OTHER WHEEL.
Inventors
- 👤 Wilfried Hilzendegen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:47
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-22 | 1974-09-21 | 1975-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-22 | 1978-09-21 | 1979-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-22 | 1982-09-21 | 1983-03-23 | $7700.00 | Window Closed / Lapsed |