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Tampere, Finland

Tamglass Ltd. Oy

USPTO Granted Patents = 16

CIPO Patents = 1

Forward Citations = 52

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22 inventors (with patents filed for the assignee):

Erkki Yli-Vakkuri (3 out of 3 patents)

Esko O Lehto (2 out of 16 patents)

Jorma K Vitkala (2 out of 4 patents)

4. Toivo Janhunen (1 out of 4 patents)

5. Jari Ala-Savikota (1 out of 1 patent)

6. Erkki Hirvonen (1 out of 1 patent)

7. Mauri Leponen (1 out of 2 patents)

8. Tarmo Pesonen (1 out of 1 patent)

9. Pauli Reunamäki (1 out of 1 patent)

10. Lawrence Betz (1 out of 1 patent)

11. Ernie Thomas (1 out of 1 patent)

12. Heikki Koivisto (1 out of 1 patent)

13. Pentti Keinonen (1 out of 1 patent)

14. Kenneth Friedel (1 out of 3 patents)

15. Markku Lehto (1 out of 1 patent)

16 patents: Sort by Forward Citations

1. 7414223 - Method and apparatus for monitoring safety glass production or controlling a treatment process (2008-08-19),

2. 7389655 - Apparatus for bending and tempering glass panels (2008-06-24),

3. 7308806 - Air-exhausting lehr for laminated glass sheets (2007-12-18),

4. 7225644 - Bendable support structure in a bending section (2007-06-05),

5. 7155939 - Apparatus for bending glass panels (2007-01-02),

6. 7127918 - Method and apparatus for heating glass sheets in preparation of tempering (2006-10-31),

7. 6983624 - Apparatus for bending glass panels (2006-01-10),

8. 6901773 - Semi-convective forced air system having amplified air nozzles for heating low 'e' coated glass (2005-06-07),

9. 6845633 - Method and apparatus for heating glass panels in a tempering furnace equipped with rollers (2005-01-25),

10. 6595027 - Method and apparatus for supporting the middle section of a glass panel to be bent in a mold (2003-07-22),

11. 6410887 - Method for heating LowE glass panels in a tempering furnace (2002-06-25),

12. 6389847 - Air output unit in connection with a tempering station for glass panels, and method for manufacturing the same (2002-05-21),

13. 6357262 - Apparatus and method for reducing scratching when bending glass sheets (2002-03-19),

14. 6067820 - Process for the heat-soak treatment of tempered glass panels (2000-05-30),

15. 6064040 - Method and apparatus for the localization of heating in a tempering (2000-05-16),

Tamglass Ltd. Oy is a global leader in glass machinery, providing high-quality solutions for glass processing and heat treatment. With over 50 years of experience, Tamglass offers a wide range of products and services including laminating lines, tempering furnaces, and insulating glass lines. Our innovative technologies enable our customers to improve energy efficiency, enhance safety, and create stunning glass designs. Visit our website to learn more about our advanced glass machinery solutions.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 16 2025

16 Patents

#15 in Tampere

#195 in Finland

#36,651 in the World

Tampere, Finland

Tamglass Ltd. Oy

Forward Citations = 52

22 inventors:

Erkki Yli-Vakkuri (3 out of 3 patents)

Esko O Lehto (2 out of 16 patents)

Jorma K Vitkala (2 out of 4 patents)

4. Toivo Janhunen (1 out of 4 patents)

5. Jari Ala-Savikota (1 out of 1 patent)

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