4. Electric heating
  5. Heating devices
  6. Combined with container, enclosure, or support for material...

Toivo Janhunen

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Method and apparatus for controlling a treatment process in...

Glass manufacturing – Processes – With program – time – or cyclic control
Reexamination Certificate

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Method and apparatus for monitoring safety glass production...

Electric heating – Heating devices – Combined with container – enclosure – or support for material...
Reexamination Certificate

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Method for measuring the sagging of a glass panel

Optics: measuring and testing – Inspection of flaws or impurities – Transparent or translucent material
Reexamination Certificate

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Profile ID: LFUS-PAI-P-3145968

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