PAUL FIRCHOW NACHFGR APP U UHR innovation strategy

Patent filings in countries

#	Industry
#1	Measurement
#2	Electrical machinery and energy
#3	Control
#4	Thermal processes
#5	Mechanical elements
#6	Consumer goods

#	Technology
#1	Electromechanical clocks
#2	Electric switches
#3	Fluid heaters
#4	Time-interval measuring
#5	Control or regulating systems
#6	Laundering textiles
#7	Mechanical control devices

Publication	Filing date	Title
DE950930C	1954-10-23	Selector switch with surrounding brush
DE1016804B	1954-10-22	Stepping mechanism
DE937175C	1952-01-30	Time switch
DE921524C	1943-11-20	Cam switch device like a roller switch
DE693366C	1938-12-23	Housing-enclosed time switch
GB521217A	1938-11-12	Improvements in or relating to synchronous-motor clocks
DE723917C	1937-12-24	Clock synchronized by a synchronous motor
DE691246C	1937-12-22	Push button contact for relays, switches, timers and like
DE704929C	1936-06-28	Device for the automatic control of heating systems