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Helsinki, Finland

Abb Stromberg Drives Oy

USPTO Granted Patents = 10

Forward Citations = 51

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14 inventors (with patents filed for the assignee):

Samuli Heikkilä (2 out of 14 patents)

Pasi Pohjalainen (2 out of 3 patents)

Erkki Miettinen (1 out of 23 patents)

4. Matti Mard (1 out of 1 patent)

5. Vesa Vauhkonen (1 out of 1 patent)

6. Olavi Kangasaho (1 out of 1 patent)

7. Ilpo Ruohonen (1 out of 1 patent)

8. Anders Hindsberg (1 out of 1 patent)

9. Martti Suomela (1 out of 1 patent)

10. Matti Lounila (1 out of 1 patent)

11. Kai Johansson (1 out of 1 patent)

12. Juha Kokkonen (1 out of 1 patent)

13. Pekka Tiitinen (1 out of 2 patents)

14. Kari Saarinen (1 out of 1 patent)

10 patents: Sort by Forward Citations

1. 5521483 - Method of determining a residual flux of an inverter-supplied squirrel (1996-05-28),

2. 5491340 - Method and apparatus for determination of refiner mechanical pulp (1996-02-13),

3. 5371458 - Method for determining the stator flux of an asynchronous machine (1994-12-06),

4. 5309086 - Current measuring transducer operating on the compensation principle (1994-05-03),

5. 5301085 - Control circuit for a semiconductor switch (1994-04-05),

6. 5198742 - Method of preventing the stalling of an asynchronous machine (1993-03-30),

7. 5162727 - Method and apparatus of determining the stator flux estimate of an (1992-11-10),

8. 5149997 - Fan for an electrically operated machine (1992-09-22),

9. 4920306 - Method for controlling the torque of a synchronous machine supplied by a (1990-04-24),

10. 4918367 - Method for controlling the torque of an ac motor (1990-04-17),

ABB Stromberg Drives Oy is a leading provider of drives and control solutions for industrial automation, offering a wide range of products and services to optimize performance and efficiency. With a strong focus on innovation and sustainability, ABB Stromberg Drives Oy is dedicated to providing advanced solutions for a variety of industries.

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USPTO Data Jan 1 1976 - Dec 16 2025

10 Patents

#77 in Helsinki

#288 in Finland

#54,268 in the World

Helsinki, Finland

Abb Stromberg Drives Oy

Forward Citations = 51

14 inventors:

Samuli Heikkilä (2 out of 14 patents)

Pasi Pohjalainen (2 out of 3 patents)

Erkki Miettinen (1 out of 23 patents)

4. Matti Mard (1 out of 1 patent)

5. Vesa Vauhkonen (1 out of 1 patent)

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