Polytech A/S

10 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

Mar 2034

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 Oct 7, 2027
The maintenance fee for A Fully Insulated Tip Unit for a Lightning Protection System for a Wind Turbine Blade and a Wind Turbine Blade Comprising the Same (US 10,612,526) comes due Oct 7, 2027. Unpaid by Apr 7, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

1 of the patents on this record was granted since Aug 16, 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.

Showing 1 to 10 of 10

Patent	Title	Status	Expires	Confidence
US 10,302,679	Lightning Measuring System for a Wind Turbine In force Term ends Mar 6, 2034 · High confidence	In force	Term ends Mar 6, 2034	High confidence
US 10,612,526	A Fully Insulated Tip Unit for a Lightning Protection System for a Wind Turbine Blade and a Wind Turbine Blade Comprising the Same In force Term ends Jan 21, 2035 · High confidence	In force	Term ends Jan 21, 2035	High confidence
US 10,288,044	Receptor for a Lightning Protection System In force Term ends Sep 23, 2035 · High confidence	In force	Term ends Sep 23, 2035	High confidence
US 10,907,618	Wind turbine blade including protective cover In force Term ends Sep 19, 2036 · From the USPTO record	In force	Term ends Sep 19, 2036	From the USPTO record
US 11,629,689	Polyurethane Material, Process for Preparing Such Material and Protective Cover for Wind Turbine Blade In force Term ends Sep 1, 2037 · High confidence	In force	Term ends Sep 1, 2037	High confidence
US 11,536,252	Down conductor connection system, wind turbine lightning protection system, and method for arranging a down conductor connection system In force Term ends Sep 24, 2038 · From the USPTO record	In force	Term ends Sep 24, 2038	From the USPTO record
US 12,297,804	A Wind Turbine Storage And/Or Transport System In force Term ends Jun 8, 2041 · High confidence	In force	Term ends Jun 8, 2041	High confidence
US 12,110,870	A Conductive Connection for a Wind Turbine Blade In force Term ends Dec 23, 2041 · High confidence	In force	Term ends Dec 23, 2041	High confidence
US 12,577,943	Lightning Protection System In force Term ends Dec 23, 2041 · High confidence	In force	Term ends Dec 23, 2041	High confidence
US 12,768,331	Process for Producing a Polymer Leading Edge Protection Sheet with Chamfered Side Edges In force Term ends Jan 5, 2044 · High confidence	In force	Term ends Jan 5, 2044	High confidence

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.

Export every term end as CSV · Pro

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 no status recorded

List them