WG

Willem Griffioen

DB Draka Comteq B.V.: 11 patents #18 of 194Top 10%
KN Koninklijke Kpn N.V.: 10 patents #19 of 298Top 7%
KN Koninklijke Ptt Nederland N.V.: 8 patents #3 of 160Top 2%
NB Nkf Kabel B.V.: 8 patents #1 of 16Top 7%
PS Plumettaz Holding Sa: 8 patents #1 of 22Top 5%
📍 Ter Aar, NL: #1 of 12 inventorsTop 9%
Overall (All Time): #57,976 of 4,157,543Top 2%
48
Patents All Time

Issued Patents All Time

Showing 26–48 of 48 patents

Patent #TitleCo-InventorsDate
6682052 Optical cable installation with mini-bend reduction Arie Van Wingerden, Cornelis Van 'T Hul, Pieter Lock, Willem Greven, Frans Robbert Bakker +1 more 2004-01-27
6631884 Method for installing cables in ducts using a pressurized fluid and a device for carrying out said method Harm Geert Nobach 2003-10-14
6619697 Y-branch splittable connector Arie Van Wingerden, Cornelis Van 'T Hul, Pieter Lock, Willem Greven, Frans Robbert Bakker +1 more 2003-09-16
6572081 Installation of guide tubes in a protective duct Arie Van Wingerden, Cornelis Van T Hul, Pieter Lock, Willem Greven, Frans Robbert Bakker 2003-06-03
6517053 Method for installing cables in ducts using a pressurized fluid and a device for carrying out said method Harm Geert Nobach 2003-02-11
6501889 Cable having optical-fibre ribbons and method for modifying the number of optical ribbons Adriaan Johan Boot 2002-12-31
6405998 Method for installing cables in tubes and apparatus for practicing this method 2002-06-18
6129341 Device for installing cables Andrzej Wacinski 2000-10-10
6115937 Removing moisture from hollow guiding members 2000-09-12
6089546 Apparatus and method for removing cables from tubes Hendrik Antonius Backer 2000-07-18
6047954 Pulling element for installing a cable in a duct, and ducting system comprising such pulling element 2000-04-11
6024387 Tube connector for connecting tubes intended for installing cables therein Henk Nijstad 2000-02-15
5950298 Method for inserting a cable-like element into a tube coiled in or on a holder Gerard Plumettaz, Arie Van Wingerden 1999-09-14
5946788 Method and device for inserting a cable-shaped member into an elongated, tubular sheathing wound around, or in, a holder Gerard Plumettaz 1999-09-07
5897103 Method for installing cables Andrzej Wacinski 1999-04-27
5884384 Method for installing a tube or a bundle of tubes in an existing tubular duct 1999-03-23
5639183 Installing cable-ducts Cornelis Casparus Van Bijsterveld, Hubertus Augustinus Leonardus Maria De Graaf 1997-06-17
5474277 Pulling plug aided by drag forces of a fluid medium for a portion of which the plug has a leaking aperture 1995-12-12
5308041 Device for installing a cable in a cable duct Geert J. Prins 1994-05-03
5211377 Method and device for installing a cable in a cable duct Geert J. Prins 1993-05-18
5197715 Method for pulling plug for installing a cable in a cable conduit 1993-03-30
4934662 Device for introducing a cable into a cable guide tube Cornelis L. De Jong 1990-06-19
4850569 Method for introducing a cable into a cable guide tube Cornelis L. De Jong 1989-07-25