26 patents currently held
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
The next term ends in Mar 2027. from the record
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
5
Ending by 2030
Mar 2027
Next term end
17
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
Notable
Ends Mar 2027 · High confidence
Also notable
Ends Feb 2033 · High confidence
Also notable
Ends Aug 2032 · High confidence
Battery Balancing Including Resonant Frequency Compensation
US 7,592,775
Renewed at every maintenance window since the 2009 grant; no more fees are due before its term ends in 2027.
Soldier-Mounted Antenna
US 10,020,585
The largest patent family in this portfolio, 6 related applications, renewed at every maintenance window due so far. Protection runs to 2033. A terminal disclaimer caps this term to an earlier patent's.
Battery Charge Protection System
US 8,675,328
Renewed at every maintenance window since the 2014 grant; no more fees are due before its term ends in 2032.
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.
- 2 fees due Feb 20 to 22, 2027 · next Feb 20
- 1 fee due Mar 19, 2027The maintenance fee for Flat-Plate Antennas and Antenna Systems (US 11,764,482) comes due Mar 19, 2027. Unpaid by Sep 20, 2027, it lapses early.
Recent changes
Nothing was recorded against this company's patents in the last 90 days.
What they patent
The 4 largest of its 17 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.
| Soldier-Mounted Antenna | 6 in force | to Dec 2033 |
| Battery Balancing Including Resonant Frequency Compensation | 3 in force | to May 2028 |
| Battery Charge Protection System | 2 in force | to Aug 2032 |
| Antenna System for Satellite Communication | 2 in force | to Nov 2030 |
Patents held now
Soonest term end first.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,592,775 | Battery Balancing Including Resonant Frequency Compensation In force · High confidence | In force | High confidence | |
| US 8,058,844 | Low-Power Battery System In force (reinstated) · Medium confidence | In force (reinstated) | Medium confidence | |
| US 7,786,701 | Compensation for Parasitic Resistance in Battery Monitoring In force · High confidence | In force | High confidence | |
| US 8,259,020 | Antenna System for Satellite Communication In force (reinstated) · High confidence | In force (reinstated) | High confidence | |
| US 8,890,757 | Antenna System for Satellite Communication In force · High confidence | In force | High confidence | |
| US 9,397,510 | Battery Charge Protection System In force · High confidence | In force | High confidence | |
| US 8,860,617 | Multiband Embedded Antenna In force · High confidence | In force | High confidence | |
| US 8,675,328 | Battery Charge Protection System In force · High confidence | In force | High confidence | |
| US 10,020,585 | Soldier-Mounted Antenna In force · High confidence | In force | High confidence | |
| US 10,243,273 | Soldier-Mounted Antenna In force · Medium confidence | In force | Medium confidence |
Also on record, not counted in the 26: 1 patent ended · 1 application 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.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.