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For the Inventor, By the Inventor

Helsinki, Finland

Andritz Oy


USPTO Granted Patents = 114



Trademarks = 4

Forward Citations = 203

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170 inventors (with patents filed for the assignee):

goldMedal Pekka Kokko (16 out of 27 patents)

silverMedal Kari Saviharju (12 out of 13 patents)

bronzeMedal Olavi E Pikka (10 out of 27 patents)

4.  Janne Vehmaa (9 out of 11 patents)

5.  Jorma Simonen (8 out of 9 patents)

6.  Kari Peltonen (7 out of 15 patents)

7.  Kaj Henricson (6 out of 63 patents)

8.  Pekka Tervola (5 out of 6 patents)

9.  Sami Siik (4 out of 5 patents)

10.  Jouni Havumaki (4 out of 4 patents)

11.  Bruce Kirkpatrick (4 out of 4 patents)

12.  Jouni Matula (3 out of 30 patents)

13.  Outi Poukka (3 out of 3 patents)

14.  Auvo Kettunen (3 out of 3 patents)

15.  Hannu Råmark (3 out of 3 patents)


Core Competencies:
Lignin Processing
Flue Gas Emissions
Recovery Boiler
Microcrystalline Cellulose
Chemical Pulp Production
Heat Exchanger Monitoring
Catalyst Regeneration
Pulp Digester
Sealing Arrangements
Hydraulic Digesters
Lime Mud Burning
Odorous Gas Treatment

114 patents:

1. 12479876 - Method of removing volatile compounds from a lignin-containing material, use of a distillation method, and a lignin-containing material (2025-11-25),
2. 12467539 - Sealing arrangement (2025-11-11),
3. 12379104 - Method and an arrangement for measuring mass changes of heat exchangers of a steam boiler (2025-08-05),
4. 12331835 - Method and arrangement for washer seal control (2025-06-17),
5. 12298004 - Determining one or more proportional particle group shares in flue gas of a recovery boiler (2025-05-13),
6. 12297297 - Process for producing microcrystalline cellulose (2025-05-13),
7. 12233427 - Reject chamber of a centrifugal cleaner and a centrifugal cleaner (2025-02-25),
8. 12195918 - Automatic monitoring of smelt flow exiting a recovery boiler (2025-01-14),
9. 12173798 - Sealing arrangement for detecting thickness of a sealing element of a seal (2024-12-24),
10. 12173451 - Arrangement and method for degassing a pump (2024-12-24),
11. 12134859 - Determining the reduction rate of a recovery boiler (2024-11-05),
12. 12129598 - Arrangement for installation of monitoring sensors of a treatment vessel for lignocellulosic material (2024-10-29),
13. 12054886 - Method for producing oxidized lignin in kraft pulp mill (2024-08-06),
14. 11993895 - Method of feeding wood chips to a prehydrolysis reactor (2024-05-28),
15. 11725341 - Method of treating fly ash of a recovery boiler (2023-08-15),
Andritz Oy designs and manufactures a wide range of engineering products and services for various industries, including pulp and paper, metals, automation, and environmental technology. They offer innovative solutions and technologies to enhance the efficiency and performance of industrial processes. With their global presence and extensive expertise, Andritz Oy is a trusted partner for customers worldwide.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

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114 Patents

#15 in Helsinki

#38 in Finland

#6,736 in the World

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Helsinki, Finland

Andritz Oy

Forward Citations = 203

170 inventors:

goldMedal Pekka Kokko (16 out of 27 patents)

silverMedal Kari Saviharju (12 out of 13 patents)

bronzeMedal Olavi E Pikka (10 out of 27 patents)

4.  Janne Vehmaa (9 out of 11 patents)

5.  Jorma Simonen (8 out of 9 patents)

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