The Patent Finder

Grimaldi Development AB

Also on record
Records under this name other than the patents Grimaldi Development AB holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 16 patents it holds.

Showing 1 to 3 of 3 · Back to Grimaldi Development AB

PatentTitleStatus Expires Confidence
US 12,076,686Method and apparatus for cleaning an air flow from particles
Formerly held
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,052,779Device and method for cleaning a centrifugal separator
Term ended
Ended no later than Feb 23, 2025 · From the USPTO record
Term endedEnded no later than Feb 23, 2025From the USPTO record
US 7,396,373Centrifugal separator for cleaning gases
Term ended
Term ended Feb 17, 2025 · From the USPTO record
Term endedTerm ended Feb 17, 2025From the USPTO record
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