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Inventor

Kjell Ljungkvist

Inventor
Gothenburg, SE

Overview

2→
Patents
1987–2020
Patent span
Textiles
Primary field (CPC D)

Patents· 2 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

D21Cprimary
D21CProduction of cellulose by removing non-cellulose substances from cellulose-containing materials50%
G01NInvestigating or analysing materials by determining their chemical or physical properties50%
PatentTitleYear
10,815,617Method for generation of clean steam in a continous digester system20204,635,470'Apparatus and method for permeability measurement'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987Patents assigned to KAELLE EUR CONTROL (1)· patent assignee history
1987–2020Based in Gothenburg, SE· patent location history
2020Patents assigned to VALMET OY (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KAELLE EUR CONTROL11987
VALMET OY12020
Locations
LocationPatentsSpan
Gothenburg, SE21987–2020