The Patent Finder

CODAR Ocean Sensors, Ltd.

6 patents currently held · Updated Nov 14, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
3
Ending by 2030
Feb 2028
Next term end

When these terms end

Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045

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 Oct 21, 2027
    The maintenance fee for Call-sign implementation optimized for FMCW HF oceanographic radars (US 10,627,509) comes due Oct 21, 2027. Unpaid by Apr 21, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

Nothing was recorded against this company's patents in the last 90 days.

Patents held now

Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.

Showing 1 to 6 of 6

PatentTitleStatus Expires Confidence
US 7,688,251Systems and methods for monitoring river flow parameters using a VHF/UHF radar station
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,477,065Combined transmit/receive single-post antenna for HF/VHF radar
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,031,109Combined transmit/receive single-post antenna for HF/VHF radar
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,442,188Negative pseudo-range processing with multi-static FMCW radars
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,042,051Coastal HF radar system for tsunami warning
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,627,509Call-sign implementation optimized for FMCW HF oceanographic radars
In force
 · From the USPTO record
In forceFrom the USPTO record
Also on record, not counted in the 6: 1 lapsed for an unpaid fee · 6 ended at full term. List them

Sources and methods

Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

Published applications

Every application published under this name has become a patent.

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