triple delta robot
robot arm that consists of multiple delta robots on top of each other
patent application WO2015115887 at wipo
patent (english text)
patent drawings
patent (Dutch text)
search report (Dutch and English)
Information at Dutch patent register
Press coverage:
roboticstomorrow.com
gizmag.com
visionandrobotics.nl
hackaday.com
3dprint.com
medaarch.com
news-it.ru
www.dayinmao.com
other products invented by A.F. van der Geest