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For the Inventor, By the Inventor

Tampere, Finland

Oy Tampella Ab


USPTO Granted Patents = 160


Trademarks = 1

Forward Citations = 1,245

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142 inventors (with patents filed for the assignee):

goldMedal Pekka M Salmi (14 out of 14 patents)

silverMedal Jukka A Lehtinen (9 out of 20 patents)

bronzeMedal Jarmo Leppanen (9 out of 9 patents)

4.  Jouko Hautala (8 out of 25 patents)

5.  Pekka O Haikkala (7 out of 8 patents)

6.  Jarmo Heinonen (6 out of 10 patents)

7.  Pekka M Salmi (6 out of 6 patents)

8.  Hannu I Paasonen (6 out of 11 patents)

9.  Onni Issakainen (6 out of 6 patents)

10.  Mauri Rantala (5 out of 5 patents)

11.  Pekka Majaniemi (5 out of 6 patents)

12.  Pauli Rajakallio (4 out of 5 patents)

13.  Paavo Rautakorpi (4 out of 11 patents)

14.  Pentti Janka (4 out of 7 patents)

15.  Pertti K Rimpi (4 out of 4 patents)


Core Competencies:
Flue Gas Treatment
Heat Recovery
High-Energy Electron Curtains
Pulp Screening
Rock Drilling Apparatus
Paper Pulp Treatment
Gas Mixture Analysis
Web Guiding Techniques
Dewatering Processes
Pressurized Screening Devices
Drilling Equipment Handling
Paper Machine Drying

160 patents:

1. 5238666 - Process for separating sulfur compounds from flue gases (1993-08-24),
2. 5230773 - Process for the recovery of heat and chemicals from spent liquor (1993-07-27),
3. 5175436 - Method of producing high-energy electron curtains with high performance (1992-12-29),
4. 5145072 - Method for screening and treating pulp (1992-09-08),
5. 5139097 - Rock drilling apparatus (1992-08-18),
6. 5129470 - Drill hole filling method and apparatus (1992-07-14),
7. 5128030 - Device for separating solids from suspension (1992-07-07),
8. 5125584 - Method and apparatus for removing impurities from paper pulp in pulpers (1992-06-30),
9. 5124000 - Method of and an arrangement for passing a fibre web from a wire through (1992-06-23),
10. 5121802 - Method and arrangement for controlling a rock drilling apparatus (1992-06-16),
11. 5112441 - Process for the recovery of heat and chemicals from spent liquor (1992-05-12),
12. 5111999 - Arrangement for fastening the grindstone of a pulp grinder to a rotary (1992-05-12),
13. 5102532 - Method for controlling pressurized screening devices and pressurized (1992-04-07),
14. 5086571 - Device in the drying section of a paper machine (1992-02-11),
15. 5084985 - Drying section in a paper or board machine and method for guiding a web (1992-02-04),
Oy Tampella Ab, founded in 1861, is a Finnish industrial company. With a focus on process technology, engineering, and manufacturing, Tampella provides solutions for various industries including pulp and paper, energy, and marine. They offer a range of products such as industrial boilers, pressure vessels, and machinery for the paper industry. Tampella is committed to delivering high-quality products and innovative solutions to meet the needs of their customers.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

160 Patents

#2 in Tampere

#28 in Finland

#5,010 in the World

...
Tampere, Finland

Oy Tampella Ab

Forward Citations = 1,245

142 inventors:

goldMedal Pekka M Salmi (14 out of 14 patents)

silverMedal Jukka A Lehtinen (9 out of 20 patents)

bronzeMedal Jarmo Leppanen (9 out of 9 patents)

4.  Jouko Hautala (8 out of 25 patents)

5.  Pekka O Haikkala (7 out of 8 patents)

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