Inventor
SPIESS PETER
CH9 patents
⚠️ This page may combine multiple inventors who share the name “SPIESS PETER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
INVENTIO AG
8 patentsUS5869794AFeb 9, 1999
Method and device for increased safety in elevators
INVENTIO AG44 citations91
US5616895AApr 1, 1997
Door safety circuit for monitoring of story doors in lift installations
INVENTIO AG30 citations91
US5584142ADec 17, 1996
Threshold profile member for the guidance of door leaves
INVENTIO AG53 citations91
US5667039ASep 16, 1997
Rollers for the roller guide of sliding elevator doors
INVENTIO AG10 citations72
US5655626AAug 12, 1997
Roller guide for a sliding elevator door
INVENTIO AG11 citations72
US7506727B2Mar 24, 2009
Door with sliding door leaf and with guide means
INVENTIO AG5 citations61
US7207550B2Apr 24, 2007
Elevator, procedure for the maintenance of the elevator, procedure for the modernization of an elevator and clamping device for an elevator
INVENTIO AG6 citations57
US6668494B2Dec 30, 2003
Door frame at elevator shaft doors
INVENTIO AG2 citations55