Patents
US 11999640 B2: Method for sanitizing water supply system
- Granted
- 2024-06-04
- Filed
- 2021-09-25 application 17485419
- Type
- Utility · 8 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A method for controlling ozonation in a water supply system including an ozonator, a controller functionally connected to the ozonator, a flow meter configured for detecting a flowrate through the water supply system, a valve configured for turning on or off of the water supply system, the method including using the controller for; determining at least one event from flowrate data of the flow meter over a time period of a plurality of days, the at least one event including a time span of a day in which the flowrate remains below or at a threshold value over the time span of a day within each day of the plurality of days; determining overlaps of the at least one event of all days within the time period; determining a frequency of the overlaps of the at least one event over the time period and determining a requirement for ozone.
Source: PVGPATDIS, file of 2026-04-10 (ipg240604.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Intellihot, Inc. 77 patents | US company or organization | Galesburg, IL | INTELLIHOT INC. State business registration EXACT high confidence: identical full name and state INTELLIHOT INC. Form D issuer EXACT high confidence: identical full name and state | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Sridhar Deivasigamani | Peoria, IL | 92 | PVGPATDIS, file of 2026-04-10 | |
| Sivaprasad Akasam | Dunlap, IL | 91 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| C02F | Treatment of water, waste water, sewage, or sludge | C02F1/78 | PVGPATDIS, file of 2026-04-10 |
| F24D | Domestic- or space-heating systems, e.g. central heating systems; domestic hot-water supply systems; elements or components therefor | F24D2200/20 | PVGPATDIS, file of 2026-04-10 |
| Y02W | Climate change mitigation technologies related to wastewater treatment or waste management | Y02W10/37 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2024-06-10 | Assignment Assignment of assignor's interest | DEIVASIGAMANI, SRIDHAR signed 2024-06-10 AKASAM, SIVAPRASAD signed 2024-06-10 | INTELLIHOT, INC. GALESBURG, IL | 67673/490 | PASDL, file of 2026-10-15 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.