Water Technology, LLC
1 more in force is now held by another company
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
7
Ending by 2030
May 2027
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 Nov 21, 2026The maintenance fee for Rechargeable robotic pool cleaning apparatus (US 10,294,686) comes due Nov 21, 2026. Unpaid by May 21, 2027, it lapses early.
- 1 fee due Jan 16, 2027The maintenance fee for Hand-held submersible aquarium power cleaner (US 10,349,637) comes due Jan 16, 2027. Unpaid by Jul 16, 2027, it lapses early.
- 1 fee due Oct 21, 2027The maintenance fee for Submersible water filtration apparatus with multi-stage filtration (US 10,625,188) comes due Oct 21, 2027. Unpaid by Apr 21, 2028, it lapses early.
Recent changes
- 2 terms have ended since Aug 16, 2026
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.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US D682,493 | Pool vacuum In force · From the USPTO record | In force | From the USPTO record | |
| US D683,918 | Adaptor for use with spa cleaner accessories In force · From the USPTO record | In force | From the USPTO record | |
| US D685,542 | Hand-held pool cleaner In force · From the USPTO record | In force | From the USPTO record | |
| US D713,110 | Hand-held submersible broom vacuum cleaner In force · From the USPTO record | In force | From the USPTO record | |
| US D720,101 | Hand-held submersible pool and spa vacuum cleaner In force · From the USPTO record | In force | From the USPTO record | |
| US D731,409 | Surface ornamentation for a passive solar heating article In force · From the USPTO record | In force | From the USPTO record | |
| US D746,522 | Submersible electric-powered leaf vacuum cleaner In force · From the USPTO record | In force | From the USPTO record | |
| US 8,490,811 | Foldable pool accessory storage and organizing container In force · From the USPTO record | In force | From the USPTO record | |
| US D813,478 | Hand-held submersible aquarium power cleaner In force · From the USPTO record | In force | From the USPTO record | |
| US 11,091,925 | Submersible electric-powered leaf vacuum cleaner In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 21: 1 patent in force now held by others · 2 lapsed for an unpaid fee · 9 ended at full term. List them
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 no status recorded