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BBC BROWN BOVERI and CIE

BBC BROWN

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
GB613892A	Method of producing centrifugal blowers for supercharging i…	Expired / Lapsed	1946-06-28	—	0	Details
GB279426A	Improvements in the rotors of centrifugal fans	Expired / Lapsed	1927-10-04	—	0	Details
DE607970C	Pressing device for electric flat heaters, especially for o…	Expired / Lapsed	1932-11-03	1935-05-02	0	Details
DE554055C	Multiple valve	Expired / Lapsed	1931-03-24	1932-07-06	0	Details