Efc Systems, Inc.

15 patents currently held · Updated Nov 14, 2026

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

Ending by 2030

Nov 2030

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 Mar 17, 2027
The maintenance fee for Rotary bell cup atomizer with auxiliary turbine and vortex shaping air generator (US 10,413,921) comes due Mar 17, 2027. Unpaid by Sep 17, 2027, it lapses early.
1 fee due May 3, 2027
The maintenance fee for GNSS Optimized Control System and Method (US 9,173,337) comes due May 3, 2027. Unpaid by Nov 3, 2027, 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.

Patent	Title	Status	Expires	Confidence
US 9,173,337	GNSS Optimized Control System and Method In force Term ends Nov 16, 2030 · High confidence	In force	Term ends Nov 16, 2030	High confidence
US 8,676,620	System and Method for Workorder Management In force Term ends May 27, 2031 · High confidence	In force	Term ends May 27, 2031	High confidence
US 8,897,973	System and Method for Collecting and Processing Agricultural Field Data In force Term ends May 27, 2031 · High confidence	In force	Term ends May 27, 2031	High confidence
US 8,489,291	System and Method for Collecting Soil Samples In force Term ends Oct 11, 2031 · High confidence	In force	Term ends Oct 11, 2031	High confidence
US 8,548,649	GNSS Optimized Aircraft Control System and Method In force Term ends Oct 28, 2031 · High confidence	In force	Term ends Oct 28, 2031	High confidence
US 8,521,372	System and Method for Collecting and Processing Agricultural Field Data In force Term ends Nov 2, 2031 · High confidence	In force	Term ends Nov 2, 2031	High confidence
US 8,924,152	Remote Management System for Equipment In force Term ends Nov 21, 2031 · High confidence	In force	Term ends Nov 21, 2031	High confidence
US 8,851,397	Bell cup atomizer having improved cleaning capability In force Term ends Nov 14, 2033 · From the USPTO record	In force	Term ends Nov 14, 2033	From the USPTO record
US 8,973,848	Composite Air Bearing Assembly In force Term ends Sep 8, 2034 · High confidence	In force	Term ends Sep 8, 2034	High confidence
US 9,375,735	Rotary atomizer edge guard In force Term ends Sep 23, 2034 · From the USPTO record	In force	Term ends Sep 23, 2034	From the USPTO record

10 of 15 patents shown.

Pro members see all 15.

Pro members: see all 15 patents

Also on record, not counted in the 15: 3 lapsed for an unpaid fee · 5 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.

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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.

1 pending · 1 abandoned · 3 no status recorded

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