CH214354A
(en )
1941-04-15
Electrical apparatus.
CH271230A
(en )
1950-10-15
Pneumatic circuit breaker for alternating current.
DK60201C
(en )
1942-10-05
Apparatus for closing a gas tap or turning on an electric circuit breaker at a predetermined time.
DK63640C
(en )
1945-06-25
Apparatus for Interrupting or Regulating Electric Currents.
CH267513A
(en )
1950-03-31
Pneumatic circuit breaker for alternating current.
CH205694A
(en )
1939-06-30
Electrical apparatus.
DK64726C
(en )
1946-08-26
Apparatus for automatically shutting down any number of multiple electrical circuits at predetermined times.
DK61149C
(en )
1943-07-19
Apparatus for Insulating Electrical Conductors.
DK61037C
(en )
1943-06-21
Apparatus for the automatic closing of one or more circuits at predetermined times.
CH223445A
(en )
1942-09-15
Device for monitoring an electrical switch with two positions and automatic tripping by a protective device.
DK68437C
(en )
1949-01-24
Apparatus for generating an electrical power which depends on the difference between a value to be set and a set value.
DK61610C
(en )
1943-11-22
Apparatus for Multiplication by Electromechanical Path of Factors Represented by Electrical Voltages and Mechanical Sizes.
DK60207C
(en )
1942-10-05
Method and Apparatus for Insulating an Electrical Conductor.
DK53023C
(en )
1937-05-03
Apparatus for Connecting and Disconnecting an Electrical Switch.
DK79203C
(en )
1955-05-02
Apparatus for limiting the primary current when switching on transformers.
DK66010C
(en )
1947-12-08
Selective Device for Remote Control with Electric Signal Currents.
DK62066C
(en )
1944-03-27
System for Adjusting an Electric Operating Size.
DK51101C
(en )
1935-12-30
Apparatus for measuring the breakdown voltage between conductors in an electrical wiring system.
DK61522C
(en )
1943-11-08
Apparatus for illuminating an at least approximately rectangular surface.
FR844002A
(en )
1939-07-18
Device for cutting off the current delivered by an ionized steam valve and its applications
DK60962C
(en )
1943-05-31
Connection point for electrical high-voltage and high-voltage cables and the method for manufacturing the same.
DK71298C
(en )
1950-07-31
Method for manufacturing an insulating body around an electrical appliance or an electrical conductor.
DK61814C
(en )
1944-01-17
Electrical Switching Mechanism for Closing and Disconnecting Electrical Circuits at Predefined Times.
DK63271C
(en )
1945-03-19
Procedure for Operating Electrical Filters and Electrofilter for Exercising the Procedure.
DK61442C
(en )
1943-10-18
Method and Apparatus for the manufacture of vacuum-tight connections between parts of electric discharge containers.