SCHWEIZ GLUEHLAMPENFABRIK A G

Overview

About

SCHWEIZ GLUEHLAMPENFABRIK A G has a total of 18 patent applications. Its first patent ever was published in 1912. It filed its patents most often in Switzerland, Germany and Austria. Its main competitors in its focus markets electrical machinery and energy, machines and materials and metallurgy are BOCHKOV VIKTOR DMITRIEVICH, NAT ELECTRIC SPECIALTY COMPANY and EGBERT VON LEPEL.

Patent filings in countries

#	Industry
#1	Electrical machinery and energy
#2	Machines
#3	Materials and metallurgy

#	Technology
#1	Electric discharge tubes
#2	Spark gaps and corona devices
#3	Unspecified technologies
#4	Treatment of glass
#5	Special electric heating or lighting
#6	Resistors
#7	Unspecified technologies

#	Name	Total Patents
#1	Gluehlampenfabrik A-G Schweiz	9
#2	Karl Burk	2
#3	Burk Karl	1

Publication	Filing date	Title
GB233697A	1925-05-04	Improvements in and relating to amplifying tubes for wireless telephony
DE447988C	1924-05-13	Incandescent cathode tubes for the amplification of alternating currents
GB214946A	1923-11-29	Improvements in electric protective devices
DE400438C	1923-10-11	Voltage limiter for low-voltage systems
DE400437C	1923-01-04	Voltage limiter for low-voltage systems
DE404544C	None	Electrolytic heating element