US3383310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for measuring the hardness of water and for controlling other processes related thereto
Assignee: DR GERHARD AMMER
•
Filing: 1963-08-29
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Granted: 1968-05-14
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Expires: 1983-08-29
Abstract
No abstract record available.
Inventors
- 👤 Ammer Heinzgert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:03
CPC Classifications
G; G05; G05D; G05D21/00; G05D21/02; A; A47; A47F; A47F5/00; A47F5/0043; A47F5/005; B; B01; B01J; B01J49/00; B01J49/80; B01J49/85; C; C02; C02F; C02F1/00; C02F1/42; G01; G01N; G01N33/00; G01N33/18; G01N33/1853; G05B; G05B21/00; G05B21/02; Y; Y10; Y10T; Y10T436/00; Y10T436/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A PROCESS FOR SOFTENING HARD WATER BY ION EXCHANGE AND FOR SIMULTANEOUSLY CONTROLLING THE REGENERATION OF THE ION EXCHANGE WHEN IT BECOMES EXHAUSTED WHICH COMPRISES TREATING THE WATER IN AN ION EXCHANGER SO AS TO EXCHANGE ALKALI METAL IONS FOR THE IONS CAUSING THE HARDNESS OF THE WATER, MEASURING THE CONCENTRATION OF SAID ALKALI METAL IONS IN THE TREATED WATER, AND INITIATING AND REGULATING THE FLOW OF A REGENERATING SOLUTION THROUGH SAID ION EXCHANGER BY MEANS OF SAID CONCENTRATION.
Claim 2
Dependent Claim
79 words
A PROCESS FOR SOFTENING HARD WATER BY ION EXCHANGE AND FOR SIMULTANEOUSLY CONTROLLING THE REGENERATION OF THE ION EXCHANGE WHEN IT BECOMES EXHAUSTED WHICH COMPRISES TREATING THE WATER IN AN ION EXCHANGER SO AS TO EXCHANGE ALKALI METAL IONS FOR THE IONS CAUSING THE HARDNESS OF THE WATER, MEASURING THE CONCENTRATION OF SAID ALKALI METAL IONS IN THE TREATED WATER, AND INITIATING AND REGULATING THE FLOW OF A REGENERATING SOLUTION THROUGH SAID ION EXCHANGER BY MEANS OF SAID CONCENTRATION.
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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) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |