FR583216A
(en )
1925-01-08
Improvements in thermostatic switches for electrical circuits
FR573425A
(en )
1924-06-23
Oil conservator for transformers and other electrical devices immersed in oil
FR573442A
(en )
1924-06-23
Oil conservator for transformers and other electrical devices immersed in oil
FR540916A
(en )
1922-07-19
Fastening insulators for pole-mounted oil-bath transformers and other oil-bath electrical devices exposed to the elements
FR681413A
(en )
1930-05-14
Oil tank for electrical devices immersed in oil
FR591284A
(en )
1925-07-01
Improvements to electric transformers immersed in oil
FR25613E
(en )
1923-04-21
Fastening insulators for pole-mounted oil-bath transformers and other oil-bath electrical devices exposed to the elements
FR691941A
(en )
1930-10-28
Improvements made to closed containers intended to contain electrical devices immersed in oil
FR563593A
(en )
1923-12-08
Current transformer for oil circuit breakers and other applications
FR723571A
(en )
1932-04-11
Installation for monitoring the operation of oil transformers and other electrical devices containing oil
FR598137A
(en )
1925-12-07
Spark arrester for electric switches and circuit breakers in oil
FR802265A
(en )
1936-09-01
Metal coil for electric cables and other uses
FR624910A
(en )
1927-07-29
Thermosiphon oil cooler for electrical appliances in oil bath
FR626299A
(en )
1927-09-02
Improvements to transformers and other electrical equipment in oil bath
FR26002E
(en )
1923-07-18
Fastening insulators for pole-mounted oil-bath transformers and other oil-bath electrical devices exposed to the elements
FR540946A
(en )
1922-07-19
Oil tank for transformers and all electrical devices exposed to bad weather
FR579621A
(en )
1924-10-20
Protection and conservation of the oil contained in electrical transformers
FR600198A
(en )
1926-02-01
Improvements to electric switches in oil bath
FR544440A
(en )
1922-09-22
Improvements in devices to modify or transform the nature of an electric current
FR631099A
(en )
1927-12-14
High power oil circuit breaker
FR642623A
(en )
1928-08-31
Burst pot rupture contact for electric circuit breaker in oil
FR593668A
(en )
1925-08-28
Cabin for electrical transformers and other uses
FR531711A
(en )
1922-01-19
Oil cooler for electrical transformers
FR532365A
(en )
1922-02-02
Oil conservator
FR799405A
(en )
1936-06-12
Electric conductor rail bridge