23 patents currently held

Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

The next term ends in Sep 2037. from the record

Free plan: 3 watched companies. Pro: unlimited.

Alerts on its grants, lapses and transfers.

Ending by 2030

Sep 2037

Next term end

Patent families

When these terms end

5 yrs10 yrs20 yrs

Held patents by the year their term ends

202620272028202920302031203220332034203520362037 203820392040 2041 2042 204320442045

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

Watercraft Device with Hydrofoil and Electric Propeller System US 10,597,118

The most cited patent in this portfolio, cited by 48 later US patents, top 5% of utility patents granted in 2020 in our data. Protection runs to 2037.

Ends Sep 2037 · High confidence Also notable

Watercraft Having a Waterproof Container and a Waterproof Electrical Connector US 10,946,939

Cited by 20 later US patents, top 10% of utility patents granted in 2021 in our data. Protection runs to 2040.

Ends Oct 2040 · High confidence Also notable

Hydrojet Propulsion System US 11,485,457

Cited by 9 later US patents, top 25% of utility patents granted in 2022 in our data. Protection runs to 2041.

Ends Nov 2041 · High confidence

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 12, 2027
The maintenance fee for Hydrojet Propulsion System (US 11,753,120) comes due Mar 12, 2027. Unpaid by Sep 13, 2027, it lapses early.
2 fees due Apr 30, 2027
1 fee due Jul 23, 2027
The maintenance fee for Leash System and Methods of Use (US 11,878,775) comes due Jul 23, 2027. Unpaid by Jan 24, 2028, it lapses early.
1 fee due Aug 13, 2027
The maintenance fee for Watercraft Device with Hydrofoil and Electric Propulsion System (US 11,897,583) comes due Aug 13, 2027. Unpaid by Feb 14, 2028, it lapses early.
2 fees due Sep 5 to 24, 2027 · next Sep 5

Which patents, and when each one lapses · Pro

Recent changes

1 of the patents on this record was 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.

Watercraft Device with Hydrofoil and Electric Propeller System	7 in force	to Sep 2038
Hydrojet Propulsion System	4 in force	to Feb 2042
Watercraft Device with Hydrofoil and Electric Propulsion System	3 in force	to Apr 2042
Watercraft Having a Waterproof Container and a Waterproof Electrical Connector	3 in force	to Oct 2040
Anisotropically Flexible Vibration Isolating Coupling Mechanism	3 in force	to Oct 2040

Patents held now

Soonest term end first.

Patent	Title	Status	Expires	Confidence
US 10,597,118	Watercraft Device with Hydrofoil and Electric Propeller System In force Term ends Sep 11, 2037 · High confidence	In force	Term ends Sep 11, 2037	High confidence
US 10,940,917	Watercraft Device with Hydrofoil and Electric Propeller System In force Term ends Sep 11, 2037 · Low confidence	In force	Term ends Sep 11, 2037	Low confidence
US 12,509,186	Watercraft Device with Hydrofoil and Electric Propeller System In force Term ends Sep 11, 2037 · Low confidence	In force	Term ends Sep 11, 2037	Low confidence
US 11,479,324	Watercraft Device with Hydrofoil and Electric Propeller System In force Term ends Oct 23, 2037 · Medium confidence	In force	Term ends Oct 23, 2037	Medium confidence
US 11,919,608	Watercraft Device with Hydrofoil and Electric Propeller System In force Term ends Jan 13, 2038 · Medium confidence	In force	Term ends Jan 13, 2038	Medium confidence
US 12,103,643	Watercraft Device with Hydrofoil and Electric Propeller System In force Term ends Jan 15, 2038 · Medium confidence	In force	Term ends Jan 15, 2038	Medium confidence
US 12,122,481	Wireless Handheld Controller for Use with a Watercraft Device In force Term ends Sep 2, 2038 · Medium confidence	In force	Term ends Sep 2, 2038	Medium confidence
US 10,946,939	Watercraft Having a Waterproof Container and a Waterproof Electrical Connector In force Term ends Oct 22, 2040 · High confidence	In force	Term ends Oct 22, 2040	High confidence
US 11,084,556	Anisotropically Flexible Vibration Isolating Coupling Mechanism In force Term ends Oct 22, 2040 · High confidence	In force	Term ends Oct 22, 2040	High confidence
US 11,091,232	Watercraft Having a Waterproof Container and a Waterproof Electrical Connector In force Term ends Oct 22, 2040 · High confidence	In force	Term ends Oct 22, 2040	High confidence

10 of 23 patents shown.

Pro members see all 23.

Pro members: see all 23 patents

Also on record, not counted in the 23: 5 applications pending · 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.

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