Inventor
VELTMAN ANDRE
NL10 patents
⚠️ This page may combine multiple inventors who share the name “VELTMAN ANDRE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ENGIE ELECTROPROJECT B V
2 patentsUS10138721B2Nov 27, 2018
Method of and a device and an electronic controller for mitigating stick-slip oscillations in borehole equipment
ENGIE ELECTROPROJECT B V28 citations91
US11365620B2Jun 21, 2022
Method of and a device for estimating down hole speed and down hole torque of borehole drilling equipment while drilling, borehole equipment and a computer program product
ENGIE ELECTROPROJECT B V2 citations70
GTI ELECTROPROJECT B V
2 patentsUS6552509B2Apr 22, 2003
Method and a device for sensorless estimating the relative angular position between the stator and rotor of a three-phase synchronous motor
GTI ELECTROPROJECT B V46 citations89
US6864660B2Mar 8, 2005
Method and device for controlling an electric load connected to a multiphase switchable DC/AC frequency convertor
GTI ELECTROPROJECT B V9 citations71