Also listed on TIDI Aquaguard Operations Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Collateral for a security interest recorded Dec 27, 2023 (Adams Street Credit Advisors LP).
Term ends Jan 29, 2035 · High confidence
20-year base term ends Mar 25, 2034
Held by TIDI Products, LLC
Filed Aug 2, 2017 as application 15/667,567 · Granted May 26, 2020
Base term plus 310 days of patent term adjustment (USPTO delay)
Today
2014
2035
Clock starts
Mar 25, 2014
Mar 25, 2014
Term ends
Jan 29, 2035
Jan 29, 2035
Granted
May 26, 2020
May 26, 2020
base term
patent term adjustment
fee events
Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
310
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
2
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
This patent's term runs 310 days past its 20-year base term on prosecution delay. 1 of 3 maintenance fees is paid so far. Confidence: High. from the record
How we calculated this date
One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Mar 25, 2014, when application 14/225,268, the earliest non-provisional in its chain, was filed (this one was filed Aug 2, 2017) | Mar 25, 2034 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +310 days, USPTO patent term adjustment record | Jan 29, 2035 | High confidence |
| Terminal disclaimer cap | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jan 29, 2035 | High confidence |
This family
| US 9,724,242 | Lapsed on the fee record Aug 2025 | Aug 2025 |
| US 10,660,798 | this patent Jan 2035 | Jan 2035 |
The applications whose file history this site holds. The family may have others.
Assignments
Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Dec 7, 2018 Reel 47711, frame 776 | Cenorin, LLC | Covalon Technologies AG Ltd. | Assignment of Assignor's Interest |
| Dec 19, 2018 Reel 47820, frame 933 | Seguin, Art; Arambula, Gerry | Cenorin, LLC | Assignment of Assignor's Interest |
| Jan 16, 2019 Reel 48031, frame 692 | Cenorin, LLC | Covalon Technologies AG Ltd. | Assignment of Assignor's Interest |
| Aug 11, 2021 Reel 57177, frame 890 | Covalon Technologies AG Ltd. | TIDI Aquaguard Operations Inc. | Change of Name |
| Aug 18, 2021 Reel 57217, frame 270 | TIDI Aquaguard Operations Inc. | Capital One, National Association, as Agent | Security Interest |
| Jan 4, 2022 Reel 58575, frame 341 | TIDI Aquaguard Operations Inc. | TIDI Aquaguard Operations LLC | Entity Conversion |
| Apr 26, 2022 Reel 59794, frame 422 | TIDI Aquaguard Operations, LLC | TIDI Products, LLC | Assignment of Assignor's Interest |
| Dec 27, 2023 Reel 66126, frame 953 | TIDI Products, LLC; Penblade, LLC | Adams Street Credit Advisors LP, as Collateral Agent | Security Interest |
| Jan 10, 2024 Reel 66079, frame 760 | Capital One, National Association, as the Agent | TIDI Aquaguard Operations LLC (Formerly Known as TIDI Aquaguard Operations Inc., Formerly Known as Covalon Technologies AG Ltd.) | Release of Security Interest |
Sources
Google Patents · The patent document at USPTO · Assignment records at USPTO
USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup
Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Jan 2035
Term ends Jan 29, 2035. Maintenance fees still fall due before then
Note
The 310 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
0
later US patents cite this one
That is below the median of utility patents granted in 2020 in our data, the only group it is compared against.
How we rank
Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.