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KLEIN SIEGFRIED

Overview
  • Total Patents
    50
About

KLEIN SIEGFRIED has a total of 50 patent applications. Its first patent ever was published in 1925. It filed its patents most often in United States, Germany and France. Its main competitors in its focus markets audio-visual technology, electrical machinery and energy and telecommunications are OLIVE UNION INC, MASCOT ELECTRIC CO LTD and SONOVA AG.

Patent filings per year

Chart showing KLEIN SIEGFRIEDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Klein Siegfried 22
#2 Klein Siegfried Dr 6
#3 Siegfried Klein 6
#4 Haas Rainer J 4
#5 Metaux Precieux 2
#6 Precieux Comptoir Des Cendres 2
#7 Des Cendres Comptoir 2
#8 Weber Andreas 1
#9 Doetsch Uwe 1
#10 Bakker Hajo 1

Latest patents

Publication Filing date Title
DE102011108525A1 Cleaning tunnel for purchase wagons in supermarkets and transport carriages at airports, has steam and disinfectants wagon that is mounted on both sides of tunnel
DE19536942C1 Terminal strip with clamping screws for electrical wires
EP0337062A2 Acousto-electrical transducer
US4862430A Wide pass band elastic wave omnidirectional transducer
FR2544951A1 Corona effect loudspeaker, with means for greatly reducing the external amount of ozone
DE3138566A1 LOUDSPEAKERS, ESPECIALLY HIGH-TONE SPEAKERS
FR2503515A1 OMNIDIRECTIONAL SPEAKER FOR ACUTE SOUND SPECTRUM FREQUENCIES
FR2503516A1 OMNIDIRECTIONAL ELECTRODYNAMIC SPEAKER FOR LOW AND MEDIUM SOUND SPECTRUM FREQUENCIES
EP0017886A1 Corona-loudspeaker
US4306120A Sound emitter
FR2454251A1 ARMORED CIRCUIT WITHOUT LEAKS OF INTERFERENCE ELECTROMAGNETIC WAVES
GB792312A Improvements in and relating to transducers
GB757358A Improvements in or relating to electric transducers
GB756546A Improvements in and relating to transducers
ES197420A1 A DISCHARGE LAMP, ESPECIALLY USED AS A GRINDER OR OSCILLATOR
GB657033A Apparatus for measuring gaseous pressure
GB659796A Method and device for transforming waves of audible, ultra-audible or infra-audible frequencies into modulations of an electric current, and conversely
GB657032A Thermionic emitting device
CA616557A Electrical transducer