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GRUNBERG ROBERT MICHAEL

Overview
  • Total Patents
    17
About

GRUNBERG ROBERT MICHAEL has a total of 17 patent applications. Its first patent ever was published in 1983. It filed its patents most often in Australia, WIPO (World Intellectual Property Organization) and Germany. Its main competitors in its focus markets audio-visual technology and electrical machinery and energy are YUNGS GROUP INC, ESTRON AS and CHENG LIANG-CHIH.

Patent filings per year

Chart showing GRUNBERG ROBERT MICHAELs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Grunberg Robert Michael 14
#2 Dixon Michael 4
#3 Grunberg Robert M 2

Latest patents

Publication Filing date Title
WO02091797A1 Coil driven diaphragm
EP1330936A1 Direct coupling of waveguide to compression driver having matching slot shaped throats
WO9117636A1 Improvements in or relating to loudspeakers
AU7851791A Improvements in or relating to loudspeakers
AU4909290A Improvements in or relating to loudspeakers
EP0340265A1 Electro-acoustic transducers
AU5366986A Low frequency audio transducer
DK149084D0 Assembly for insertion in a fluid conducting piping system and comprising a hollow metal part and a plastic muff part
US4509185A Time domain audio panner