RD2, LLC

9 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

Aug 2028

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 Apr 22, 2027
The maintenance fee for All fiber temperature and air density sensor (US 10,451,518) comes due Apr 22, 2027. Unpaid by Oct 22, 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.

Showing 1 to 9 of 9

Patent	Title	Status	Expires	Confidence
US 8,508,722	Laser Doppler Velocimeter In force Term ends Aug 8, 2028 · High confidence	In force	Term ends Aug 8, 2028	High confidence
US 8,508,723	Laser Wind Velocimeter with Multiple Radiation Sources In force Term ends Feb 14, 2031 · High confidence	In force	Term ends Feb 14, 2031	High confidence
US 8,879,051	High Power Laser Doppler Velocimeter With Multiple Amplification Stages In force Term ends May 18, 2032 · High confidence	In force	Term ends May 18, 2032	High confidence
US 9,026,278	LDV System for Measuring Wind at High Altitude In force Term ends May 22, 2032 · High confidence	In force	Term ends May 22, 2032	High confidence
US 8,659,748	Scanning Non-Scanning LIDAR In force Term ends Aug 10, 2032 · High confidence	In force	Term ends Aug 10, 2032	High confidence
US 8,908,160	Optical Air Data System Suite of Sensors In force Term ends Aug 17, 2032 · High confidence	In force	Term ends Aug 17, 2032	High confidence
US 8,930,049	LDV for Airdrops In force Term ends Sep 9, 2032 · High confidence	In force	Term ends Sep 9, 2032	High confidence
US 8,961,181	LDV System for Improving the Aim of a Shooter In force Term ends Sep 24, 2032 · High confidence	In force	Term ends Sep 24, 2032	High confidence
US 10,451,518	All fiber temperature and air density sensor In force Term ends May 10, 2037 · From the USPTO record	In force	Term ends May 10, 2037	From the USPTO record

Also on record, not counted in the 9: 1 lapsed for an unpaid fee · 2 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.

Export every term end as CSV · Pro

Published applications

Every application published under this name has become a patent.