Inventor
LEHTINEN ANTTI
FI14 patents
⚠️ This page may combine multiple inventors who share the name “LEHTINEN ANTTI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VALMET OY
7 patentsUS4391672AJul 5, 1983
Method used in paper making for treatment of a weave
VALMET OY49 citations92
US4229250AOct 21, 1980
Method of improving properties of mechanical paper pulp without chemical reaction therewith
VALMET OY52 citations92
US4574624AMar 11, 1986
Ultrasonic echo sounding device for observing web formation and pulp suspension flow in a paper machine
VALMET OY28 citations86
US4584058AApr 22, 1986
Method and apparatus for dewatering a fibrous web
VALMET OY21 citations80
US3992254ANov 16, 1976
Structure for separating a web and wire in a paper machine
VALMET OY9 citations73
US3981768ASep 21, 1976
Web-forming method and apparatus for paper-manufacturing machines
VALMET OY13 citations73
US3970513AJul 20, 1976
Steam supplying structure for opposing build-up of matter in headboxes
VALMET OY4 citations62
SANDVIK MINING & CONSTRUCTION OY
4 patentsUS10563376B2Feb 18, 2020
Arrangement for controlling a work machine
SANDVIK MINING & CONSTRUCTION OY1 citations58
US11940812B2Mar 26, 2024
Zone passage control in worksite
SANDVIK MINING & CONSTRUCTION OY0 citations57
US11599124B2Mar 7, 2023
Zone passage control in worksite
SANDVIK MINING & CONSTRUCTION OY0 citations47
US10429853B2Oct 1, 2019
Zone passage control in worksite
SANDVIK MINING & CONSTRUCTION OY0 citations36