Karl Lönngren

Follow

Person

Stockholm, SE

People

Patents Grantslast 30 patents

Information Patent Grant
Double-disc refiner
- Patent number 12,012,695
- Issue date Jun 18, 2024
- Valmet AB
- Karl Lönngren
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Refiner for refining lignocellulosic material and refining segments...
- Patent number 11,701,665
- Issue date Jul 18, 2023
- Valmet AB
- Christer Hedlund
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Steam evacuation in a pulp or fiber refiner
- Patent number 11,440,017
- Issue date Sep 13, 2022
- Valmet AB
- Karl Lönngren
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Center plate in a pulp refiner
- Patent number 9,943,852
- Issue date Apr 17, 2018
- Valmet AB
- Karl Lönngren
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
DOUBLE-DISC REFINER
- Publication number 20220186437
- Publication date Jun 16, 2022
- VALMET AB
- Karl LÖNNGREN
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Application
Steam Evacuation in a Pulp or Fiber Refiner
- Publication number 20190388899
- Publication date Dec 26, 2019
- VALMET AB
- Karl Lönngren
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Application
CENTER PLATE IN A PULP REFINER
- Publication number 20160023216
- Publication date Jan 28, 2016
- VALMET AB
- Karl Lönngren
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...