The Patent Finder

VC VIII Polytech Holding APS

18 patents currently held · Updated Nov 14, 2026
1 more in force is now held by another company
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Jun 2033
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 Mar 24, 2027
    The maintenance fee for Method for monitoring a wind turbine, method for identifying ice on a wind turbine, acceleration sensor for a rotor blade, rotor blade comprising an acceleration sensor, and profile for a rotor blade (US 10,422,321) comes due Mar 24, 2027. Unpaid by Sep 24, 2027, it lapses early.
  • 1 fee due Sep 3, 2027
    The maintenance fee for Apparatus and method for measuring the torsion of a test object (US 10,578,427) comes due Sep 3, 2027. Unpaid by Mar 3, 2028, it lapses early.
  • 1 fee due Oct 19, 2027
    The maintenance fee for Method and device for monitoring the state of rotor blades (US 9,316,571) comes due Oct 19, 2027. Unpaid by Apr 19, 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.
PatentTitleStatus Expires Confidence
US 9,383,272Optical measurement system with polarization compensation, and corresponding method
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,562,815Method for compensation of fiber optic measurement systems and fiber optic measurement system
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,316,571Method and device for monitoring the state of rotor blades
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,422,321Method for monitoring a wind turbine, method for identifying ice on a wind turbine, acceleration sensor for a rotor blade, rotor blade comprising an acceleration sensor, and profile for a rotor blade
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,655,601Method for the individual pitch control of rotor blades of a wind turbine, and wind turbines
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,761,261Light guide clamping device, fiber optic sensor and production method
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,865,778Method for ascertaining a value of an ice buildup quantity on at least one rotor blade of a wind turbine, and use thereof
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,684,145Sensor patch and method for producing a sensor patch
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,718,316Method for predicting the accumulation of ice on a rotor blade of a wind turbine and the use thereof
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,816,425Fibre-optic pressure sensor having an optical resonator and a method for pressure measurement
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 18 patents shown.
Pro members see all 18.
Pro members: see all 18 patents
Also on record, not counted in the 18: 1 patent in force now held by others · 1 lapsed for an unpaid fee. 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

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

List them

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