For the Inventor, By the Inventor

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Hameenlinna, Finland

Sampower Oy

USPTO Granted Patents = 3

Forward Citations = 19

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6 inventors (with patents filed for the assignee):

Kalevi Huhtala (1 out of 2 patents)

Matti Vilenius (1 out of 2 patents)

Mikko Luoto (1 out of 1 patent)

4. Matti Sampo (1 out of 2 patents)

5. Erkki Lehto (1 out of 1 patent)

6. Kari Koskinen (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 6241488 - Multi-piston hydraulic pump for a free piston engine (2001-06-05),

2. 6135068 - Method for absorbing the vibration of a free-piston engine and (2000-10-24),

3. 5123245 - Method and apparatus for starting a free piston combustion engine (1992-06-23),

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USPTO Data Jan 1 1976 - Oct 6 2026

3 Patents

#2 in Hameenlinna

#793 in Finland

Hameenlinna, Finland

Sampower Oy

Forward Citations = 19

6 inventors:

Kalevi Huhtala (1 out of 2 patents)

Matti Vilenius (1 out of 2 patents)

Mikko Luoto (1 out of 1 patent)

4. Matti Sampo (1 out of 2 patents)

5. Erkki Lehto (1 out of 1 patent)

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