Harcosemco LLC

13 patents currently held · Updated Nov 15, 2026

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

Recorded under 2 name spellings.

Previously recorded as Harco LLC (to 2022)

Ending by 2030

Feb 2037

Next term end

When these terms end

5 yrs10 yrs20 yrs

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 Jun 19, 2027
The maintenance fee for Mass Flow Sensor Having an Airfoil (US 11,846,549) comes due Jun 19, 2027. Unpaid by Dec 20, 2027, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

1 of the patents on this record was granted since Aug 17, 2026

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.

Patent	Title	Status	Expires	Confidence
US 10,921,196	Optimized Thermocouple System and Method In force Term ends Feb 24, 2037 · High confidence	In force	Term ends Feb 24, 2037	High confidence
US 11,047,744	Optimized Thermocouple System and Method In force Term ends Feb 24, 2037 · High confidence	In force	Term ends Feb 24, 2037	High confidence
US 11,525,741	Optimized Thermocouple System and Method In force Term ends Feb 24, 2037 · High confidence	In force	Term ends Feb 24, 2037	High confidence
US 12,078,552	Optimized Thermocouple System and Method In force Term ends Feb 24, 2037 · High confidence	In force	Term ends Feb 24, 2037	High confidence
US 11,011,958	Extreme Environment Variable Reluctance Energy Harvester and Method for Implementing Same In force Term ends Oct 27, 2037 · High confidence	In force	Term ends Oct 27, 2037	High confidence
US 12,326,485	Temperature Compensation Method For Hall Effect Proximity Sensors In force Term ends Apr 28, 2039 · High confidence	In force	Term ends Apr 28, 2039	High confidence
US D1,086,072	Junction for a Harness In force Term ends Jul 29, 2040 · High confidence	In force	Term ends Jul 29, 2040	High confidence
US 11,846,549	Mass Flow Sensor Having an Airfoil In force Term ends Sep 14, 2040 · High confidence	In force	Term ends Sep 14, 2040	High confidence
US 12,644,781	Mass Flow Sensor Having an Airfoil In force Term ends Sep 14, 2040 · Medium confidence	In force	Term ends Sep 14, 2040	Medium confidence
US 11,415,472	Flexible Bridge Sensor Electronic Architecture and Method for Implementing Same In force Term ends Oct 21, 2040 · High confidence	In force	Term ends Oct 21, 2040	High confidence

10 of 13 patents shown.

Pro members see all 13.

Pro members: see all 13 patents

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.

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Published applications

US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.

4 pending · 1 abandoned

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