The Patent Finder

Drabus B.V.

Also on record
Records under this name other than patents Drabus B.V. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

Showing 1 to 5 of 5 · Back to Drabus B.V.

PatentTitleStatus Expires Confidence
US 3,939,683Piercing tools
Term ended
Term ended no later than Feb 24, 1996 · Low confidence
Term endedTerm ended no later than Feb 24, 1996Low confidence
US 4,175,413Methods and apparatuses for forming by frictional heat and pressure holes surrounded each by a boss in a metal plate or the wall of a metal tube
Term ended
Term ended no later than Nov 27, 1999 · Low confidence
Term endedTerm ended no later than Nov 27, 1999Low confidence
US 4,177,659Rotatable piercing tools for forming holes surrounded each by a boss in metal plates or the wall of metal tubes
Term ended
Term ended no later than Dec 11, 1999 · Low confidence
Term endedTerm ended no later than Dec 11, 1999Low confidence
US 4,185,486Rotatable piercing tools for forming bossed holes
Term ended
Term ended no later than Jan 29, 2000 · Low confidence
Term endedTerm ended no later than Jan 29, 2000Low confidence
US 4,260,094Method of interconnecting several parts, such as a piece of tubing and a plate, a tube or similar body
Term ended
Term ended no later than Apr 7, 2001 · Low confidence
Term endedTerm ended no later than Apr 7, 2001Low confidence
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