11 patents currently held
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.
1 more record may belong here and awaits a decision; it is not counted.
The next term ends in Apr 2033. from the record
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
0
Ending by 2030
Apr 2033
Next term end
8
Patent families
When these terms end
Held patents by the year their term ends
notable patents
all others
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
Notable: the highest-ranked patents in this portfolio by citations and family size.
Notable patents
Ranked by citations and family size, against patents of the same kind granted the same year. How we rank
Only 2 of the currently held patents qualify as notable.
Notable
Ends Apr 2033 · High confidence
Also notable
Ends Dec 2044 · High confidence
Method and Apparatus for Recycling Lithium-Ion Batteries
US 11,769,916
The most cited patent in this portfolio, cited by 14 later US patents, top 5% of utility patents granted in 2023 in our data. Protection runs to 2033. A terminal disclaimer caps this term to an earlier patent's.
Recycling All Solid-State Batteries (ASSBs) and Anode Recovery
US 12,620,643
Granted 2026. Too new for citation comparison; protection runs to 2044.
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 Mar 26, 2027The maintenance fee for Method and Apparatus for Recycling Lithium-Ion Batteries (US 11,769,916) comes due Mar 26, 2027. Unpaid by Sep 27, 2027, it lapses early.
Recent changes
- 3 of the patents on this record were granted since Aug 16, 2026
What they patent
The 5 largest of its 8 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.
| Method and Apparatus for Recycling Lithium-Ion Batteries | 3 in force | to Apr 2033 |
| Recycling All Solid-State Batteries (ASSBs) and Anode Recovery | 2 in force | to Dec 2044 |
| Impurity Control in Lithium-Ion Battery Recycling | 1 in force | to Mar 2045 |
| Nickel-Metal Hydride (NIMH) Battery Recycling | 1 in force | to Sep 2044 |
| Recycled Graphite Surface Repair and Conductive Carbon Separation | 1 in force | to Aug 2044 |
Patents held now
Soonest term end first.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 11,769,916 | Method and Apparatus for Recycling Lithium-Ion Batteries In force · High confidence | In force | High confidence | |
| US 12,046,725 | Method And Apparatus For Recycling Lithium-Ion Batteries In force · High confidence | In force | High confidence | |
| US 12,322,769 | Method And Apparatus For Recycling Lithium-Ion Batteries In force · High confidence | In force | High confidence | |
| US 12,071,677 | Lithium Iron Phosphate (LFP) battery recycling In force · High confidence | In force | High confidence | |
| US 12,040,463 | Nickel-Rich Battery Recycling In force · High confidence | In force | High confidence | |
| US 12,738,489 | Multi-Stage Lithiation for Cathode Material In force · High confidence | In force | High confidence | |
| US 12,545,587 | Recycled Graphite Surface Repair and Conductive Carbon Separation In force · High confidence | In force | High confidence | |
| US 12,597,652 | Nickel-Metal Hydride (NIMH) Battery Recycling In force · High confidence | In force | High confidence | |
| US 12,662,392 | Cascading Co-Precipitation System In force · High confidence | In force | High confidence | |
| US 12,620,643 | Recycling All Solid-State Batteries (ASSBs) and Anode Recovery In force · High confidence | In force | High confidence |
Also on record, not counted in the 11: 1 patent in force now held by others · 27 applications pending. 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.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.