The Patent Finder

Hydrojet Propulsion System

Kai Concepts, LLC

A patent family: one line of work, grouped by real continuity rather than by a technology label inferred from titles. 4 of these applications claim priority to application 63/210,211, filed Jun 14, 2021. A shared origin can cover several different claimed inventions, which is why members here may not share a title. In-force patents first, soonest term end first, then patent number. Expired patents follow, in the same order.
PatentTitleHolderStatusExpiresTime remainingConfidence
US 11,485,457Hydrojet Propulsion System
In force
 · High confidence
Kai Concepts, LLCIn force
High confidence
US 11,753,120Hydrojet Propulsion System
In force
 · High confidence
Kai Concepts, LLCIn force
High confidence
US 12,037,087Hydrojet Propulsion System
In force
 · High confidence
Kai Concepts, LLCIn force
High confidence
US 12,691,977Hydrojet Propulsion System
In force
 · Medium confidence
Kai Concepts, LLCIn force
Medium confidence
4 of 4 records shown. In-force patents first, soonest term end first, then patent number. Expired patents follow, in the same order.
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
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited