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For the Inventor, By the Inventor

Turku, Finland

Tunturipyora Oy

USPTO Granted Patents = 29

Trademarks = 1

Forward Citations = 693

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11 inventors (with patents filed for the assignee):

goldMedal Heikki A Kiiski (10 out of 19 patents)

silverMedal Kari Lehtonen (5 out of 5 patents)

bronzeMedal Sulevi Saarinen (4 out of 4 patents)

4.  Esko Kotamaki (3 out of 3 patents)

5.  Mauri Hokajarvi (1 out of 1 patent)

6.  Heikki Riikonen (1 out of 1 patent)

7.  Heikki Viander (1 out of 1 patent)

8.  Juhani Salovaara (1 out of 2 patents)

9.  Eljas Perheentupa (1 out of 1 patent)

10.  Aimo Aalto (1 out of 1 patent)

11.  Jouni J Hiivola (1 out of 1 patent)


Core Competencies:
Multi-Pull Exercise Devices
Exercise Bicycle
Resistance Mechanism
Physical Exerciser
Rowing Machine
Flywheel Brake Mechanism
Electronic Ergometer
Torque Metering Device
Treadmill
Combined Front Bicycle Lamp
One-Way Clutch Structure
Fitness Testing Machine

29 patents:

1. 5403257 - Multi-pull exercise devices (1995-04-04),
2. D343659 - Exercise bicycle (1994-01-25),
3. 5180348 - Resistance mechanism (1993-01-19),
4. D329477 - Physical exerciser (1992-09-15),
5. D324709 - Rowing machine (1992-03-17),
6. 5031901 - Flywheel brake mechanism for an exercise device (1991-07-16),
7. 4953415 - Arrangement for converting reciprocating motion into even rotational (1990-09-04),
8. D306750 - Rowing machine (1990-03-20),
9. D303557 - Treadmill (1989-09-19),
10. 4867440 - Arrangement for an exercise device (1989-09-19),
11. D301597 - Physical exerciser (1989-06-13),
12. D301268 - Electronic ergometer (1989-05-23),
13. D295325 - Combined front bicycle lamp and reflector (1988-04-19),
14. D293598 - Bicycle ergometer (1988-01-05),
15. D291821 - Exercise treadmill (1987-09-08),
Company Overview
Tunturipyora Oy is a Finnish company based in Turku, specializing in the design and manufacturing of high-quality bicycles and related components. The organization focuses on innovation in cycling technology, emphasizing performance, durability, and user experience. With a commitment to sustainability, Tunturipyora Oy integrates eco-friendly practices into its production processes. The company serves both local and international markets, contributing to the advancement of cycling as a popular mode of transportation and recreation.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

29 Patents

#5 in Turku

#124 in Finland

#22,570 in the World

Turku, FI
Turku, Finland

Tunturipyora Oy

Forward Citations = 693

11 inventors:

goldMedal Heikki A Kiiski (10 out of 19 patents)

silverMedal Kari Lehtonen (5 out of 5 patents)

bronzeMedal Sulevi Saarinen (4 out of 4 patents)

4.  Esko Kotamaki (3 out of 3 patents)

5.  Mauri Hokajarvi (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tunturipyora Oy. Retrieved from https://idiyas.com/company/tunturipyora-oy

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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