Inventor
FREDE FRIEDHELM
DE10 patents
⚠️ This page may combine multiple inventors who share the name “FREDE FRIEDHELM”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASSA ABLOY ENTRANCE SYSTEMS AB
6 patentsUS10253557B2Apr 9, 2019
Roller shutter for opening and closing a doorway
ASSA ABLOY ENTRANCE SYSTEMS AB10 citations82
US9915094B2Mar 13, 2018
Roller shutter for opening and closing a doorway
ASSA ABLOY ENTRANCE SYSTEMS AB12 citations82
US9957749B2May 1, 2018
Sealing device for sealing a gap between a lintel and a roller shutter and a roller shutter with such a sealing device
ASSA ABLOY ENTRANCE SYSTEMS AB5 citations71
US8371357B2Feb 12, 2013
System to guide the slats of an industrial roller door to reduce damages after crash
ASSA ABLOY ENTRANCE SYSTEMS AB5 citations71
US12577832B2Mar 17, 2026
Door operation system
ASSA ABLOY ENTRANCE SYSTEMS AB0 citations50
US11661778B2May 30, 2023
High speed overhead door
ASSA ABLOY ENTRANCE SYSTEMS AB0 citations50