P
PatentIndex
Search
Landscape
Sign in
Inventor
HELLINGA RICHARD
GB
4 patents
⚠️ This page may combine multiple inventors who share the name “HELLINGA RICHARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEVCON LTD
2 patents
US11374510B2
Jun 28, 2022
Method and apparatus for controlling an electric motor
SEVCON LTD
0 citations
46
US11370307B2
Jun 28, 2022
Method and apparatus for controlling an electric motor
SEVCON LTD
0 citations
46
MULTIMATIC INC
1 patent
US5982126A
Nov 9, 1999
Power closure panel control apparatus
MULTIMATIC INC
153 citations
94
HELLINGA RICHARD
1 patent
US8375635B2
Feb 19, 2013
Apparatus for opening and closing overhead sectional doors
HELLINGA RICHARD
3 citations
54