Inventor
STEENBERGEN RALPH
NL7 patents
⚠️ This page may combine multiple inventors who share the name “STEENBERGEN RALPH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HUNTER DOUGLAS IND BV
6 patentsUSD1092792SSep 9, 2025
Ceiling panel
HUNTER DOUGLAS IND BV5 citations81
US9487996B2Nov 8, 2016
Blind tilt assembly and method of controlling tilt ladders
HUNTER DOUGLAS IND BV7 citations80
US9903157B2Feb 27, 2018
Rail for an architectural covering
HUNTER DOUGLAS IND BV6 citations75
US10208534B2Feb 19, 2019
Rail for an architectural covering
HUNTER DOUGLAS IND BV2 citations71
US10156092B2Dec 18, 2018
Blind tilt assembly and method of controlling tilt ladders
HUNTER DOUGLAS IND BV3 citations69
US10889050B2Jan 12, 2021
Method of manufacture of a linear panel
HUNTER DOUGLAS IND BV1 citations56