Enter assignee name

Forward Citations = 82

Loading Chart...

9 inventors (with patents filed for the assignee):

Johan G Johansson (4 out of 4 patents)

Willard Falkinger (2 out of 3 patents)

Per Anders Asberg (2 out of 3 patents)

4. Inge J Johansson (2 out of 3 patents)

5. Rolf B Reinhall (1 out of 24 patents)

6. Mats Floden (1 out of 2 patents)

7. Nils G Virving (1 out of 1 patent)

8. Carl-Olov B Ranzen (1 out of 1 patent)

9. Knut O Danielsson (1 out of 2 patents)

11 patents: Sort by Forward Citations

1. 4355768 - Rotary grinding disc for defibrating apparatus (1982-10-26),

2. 4355767 - Device in grinding apparatus (1982-10-26),

3. 4298425 - Method and apparatus for refining lignocellulose-containing material to (1981-11-03),

4. 4274602 - Rotary grinding disc for defibrating apparatus (1981-06-23),

5. 4220290 - Conveyor device for feeding lignocellulosic material to a disc-type (1980-09-02),

6. 4204689 - Sealing device for shafts (1980-05-27),

7. 4198302 - Apparatus for relieving blockage of the pulp discharge passage in a (1980-04-15),

8. 4148439 - Method and device for controlling the energy consumption in a pulp (1979-04-10),

9. 4078674 - Apparatus for manufacture of sheets or board units from cellulose or (1978-03-14),

10. 4073442 - Electrically controlled system for regulating the grinding space in a (1978-02-14),

11. 4017246 - Conveyor plate for wet sheets or dry sheets (1977-04-12),

Defibrator Aktiebolag is a leading provider of equipment and services for the manufacturing of high quality pulp. With a strong focus on sustainability and innovation, Defibrator offers state-of-the-art solutions for the wood-based industry. Their products include refiners, defibrators, and spare parts, designed to enhance the efficiency and reliability of pulp production processes.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

11 Patents

#75 in Stockholm

#534 in Sweden

#50,190 in the World

Stockholm, Sweden

Defibrator Aktiebolag