Clean H2O Technologies, LLC
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Dec 2031
Next term end
When these terms end
Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045
Fee deadlines
Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.
- 1 fee due Dec 25, 2026The maintenance fee for Method and control devices for production of consistent water quality from membrane-based water treatment for use in improved hydrocarbon recovery operations (US 10,329,171) comes due Dec 25, 2026. Unpaid by Jun 25, 2027, it lapses early.
- 2 fees due Jan 9 to 11, 2027 · next Jan 9
Recent changes
Nothing was recorded against this company's patents in the last 90 days.
Patents held now
Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.
Showing 1 to 5 of 5
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 10,329,171 | Method and control devices for production of consistent water quality from membrane-based water treatment for use in improved hydrocarbon recovery operations In force · From the USPTO record | In force | From the USPTO record | |
| US 10,343,118 | Method and control devices for production of consistent water quality from membrane-based water treatment for use in improved hydrocarbon recovery operations In force · From the USPTO record | In force | From the USPTO record | |
| US 11,117,813 | Techniques for managing scale formation in water filtration systems and a reverse osmosis (RO) and nanofiltration (NF) system implementing same In force · From the USPTO record | In force | From the USPTO record | |
| US 11,697,602 | Techniques for managing scale formation in water filtration systems and a reverse osmosis (RO) and nanofiltration (NF) system implementing same In force · From the USPTO record | In force | From the USPTO record | |
| US 12,623,921 | Techniques for Managing Scale Formation in Reverse Osmosis (RO) and Nanofiltration (NF) Systems and a Hybrid Filtration Architecture Implementing the Same In force · High confidence | In force | High confidence |
Sources and methods
Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand.
How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
Published applications
US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.
1 pending