Ballast-Nedam Groep N.V.

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

  • No Technology to Display

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

  • No Recent Publications to Display

Recent Patents

  • No Recent Patents to Display

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4722635 Method and device for compacting soilExpiredJun 24, 85Feb 02, 88[E01C]
4505214 Dredged soil conveying vesselExpiredJul 09, 80Mar 19, 85[B63B]
4449720 Watertight seal between two concrete elementsExpiredNov 17, 81May 22, 84[F16J]
4418484 Method of dredging and dredging implementExpiredDec 01, 80Dec 06, 83[E02F]
4412790 Balanced supplemental water bleed for suction dredgersExpiredOct 13, 81Nov 01, 83[F04B]
4397587 Method of constructing an artificial island and island constructed by the sameExpiredOct 06, 80Aug 09, 83[E02D]
4374420 Method of accurately dredging a desired profile contourExpiredApr 28, 80Feb 15, 83[G05D, E02F]
4265759 Device for separating a mixtureExpiredFeb 20, 80May 05, 81[B01D]
4250034 Transport conduitExpiredJan 23, 79Feb 10, 81[F16L]
4245932 Suction dredger and method of loading the sameExpiredJul 11, 78Jan 20, 81[B65G]
4206057 Dredging vesselExpiredJun 05, 78Jun 03, 80[B01D]
4204347 Device for cutting loose hard ground materialExpiredMar 08, 78May 27, 80[E02F]
4202778 Separating deviceExpiredOct 30, 78May 13, 80[B01D]

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.