39 patents currently held
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
1 more record may belong here and awaits a decision; it is not counted.
The next term ends in Apr 2027. from the record
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
10
Ending by 2030
Apr 2027
Next term end
18
Patent families
When these terms end
Held patents by the year their term ends
notable patents
fee due within 90 days
all others
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
Notable: the highest-ranked patents in this portfolio by citations and family size. Fee due within 90 days: a maintenance fee is due within 90 days of when this page was computed and not yet paid.
Notable patents
Ranked by citations and family size, against patents of the same kind granted the same year. How we rank
Notable
Ends Apr 2027 · High confidence
Also notable
Ends Oct 2031 · High confidence
Also notable
Ends Mar 2031 · High confidence
Apparatus and Methods for Treating Root Canals of Teeth
US 10,617,498
Cited by 42 later US patents, top 5% of utility patents granted in 2020 in our data. Protection runs to 2027. A terminal disclaimer caps this term to an earlier patent's.
Apparatus, Methods, and Compositions for Endodontic Treatments
US 9,675,426
Cited by 69 later US patents, top 5% of utility patents granted in 2017 in our data, and renewed at every maintenance window due so far. Protection runs to 2031.
Liquid Jet Apparatus and Methods for Dental Treatments
US 9,492,244
The most cited patent in this portfolio, cited by 80 later US patents, top 5% of utility patents granted in 2016 in our data. Protection runs to 2031.
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.
- 3 fees due Dec 11 to 25, 2026 · next Dec 11
- 2 fees due Jan 18 to 30, 2027 · next Jan 18
- 1 fee due Mar 24, 2027The maintenance fee for Liquid Jet Apparatus and Methods for Dental Treatments (US 10,420,630) comes due Mar 24, 2027. Unpaid by Sep 24, 2027, it lapses early.
- 1 fee due Sep 5, 2027The maintenance fee for Apparatus and Methods for Treating Root Canals of Teeth (US 11,918,432) comes due Sep 5, 2027. Unpaid by Mar 6, 2028, it lapses early.
- 2 fees due Oct 23 to 28, 2027 · next Oct 23
Recent changes
- 1 of the patents on this record was granted since Aug 17, 2026
What they patent
The 5 largest of its 18 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.
| Apparatus and Methods for Treating Root Canals of Teeth | 7 in force | to Jun 2029 |
| Apparatus and Methods for Cleaning Teeth and Root Canals | 4 in force | to Jun 2035 |
| Apparatus, Methods, and Compositions for Endodontic Treatments | 4 in force | to Jan 2033 |
| Liquid Jet Apparatus and Methods for Dental Treatments | 4 in force | to Mar 2031 |
| Apparatus and Method for Endodontic Treatment | 3 in force | to Aug 2033 |
Patents held now
Soonest term end first.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 10,016,263 | Apparatus and Methods for Treating Root Canals of Teeth In force · High confidence | In force | High confidence | |
| US 10,039,625 | Apparatus and Methods for Treating Root Canals of Teeth In force · High confidence | In force | High confidence | |
| US 10,617,498 | Apparatus and Methods for Treating Root Canals of Teeth In force · High confidence | In force | High confidence | |
| US 10,835,355 | Apparatus and Methods for Treating Root Canals of Teeth In force · High confidence | In force | High confidence | |
| US 10,010,388 | Apparatus and Methods for Treating Root Canals of Teeth In force · High confidence | In force | High confidence | |
| US 8,753,121 | Apparatus and Methods for Treating Root Canals of Teeth In force · High confidence | In force | High confidence | |
| US D726,324 | Console for Dental Apparatus In force · High confidence | In force | High confidence | |
| US 11,918,432 | Apparatus and Methods for Treating Root Canals of Teeth In force · High confidence | In force | High confidence | |
| US D745,966 | Dental Handpiece In force · High confidence | In force | High confidence | |
| US 10,420,630 | Liquid Jet Apparatus and Methods for Dental Treatments In force · High confidence | In force | High confidence |
Also on record, not counted in the 39: 2 patents ended · 14 applications pending · 19 applications abandoned. List them
Sources and methods
Compiled from USPTO application file histories, grants and recorded assignments, with the company's own names reviewed by hand. How this record was built
Portfolio grouped automatically from ownership conveyances to the names matched to this company, usually every name that begins with its own, so it counts patents an affiliate holds; each list row names the holder of record. Security interests are excluded and ambiguous records are not reviewed by hand.
Fee due within 90 days marks a patent with a maintenance fee due within 90 days of the date this page was computed and not yet recorded paid, so it can end earlier than the bar shows. A fee left unpaid ends the patent at the close of the six month grace period that follows its due date, not on the due date itself. It is not a prediction that the fee will be missed.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.