ROMEN FASER KUNSTSTOFF has a total of 15 patent applications. Its first patent ever was published in 1952. It filed its patents most often in Germany, United Kingdom and Italy. Its main competitors in its focus markets audio-visual technology, control and civil engineering are MOBIFREN CO LTD, SHENZHEN AONI ELECTRONIC INDUSTRY CO LTD and SIDEVAN.
# | Country | Total Patents | |
---|---|---|---|
#1 | Germany | 7 | |
#2 | United Kingdom | 2 | |
#3 | Italy | 2 | |
#4 | Brazil | 1 | |
#5 | France | 1 | |
#6 | United States | 1 | |
#7 | South Africa | 1 |
# | Industry | |
---|---|---|
#1 | Audio-visual technology | |
#2 | Control | |
#3 | Civil engineering |
# | Technology | |
---|---|---|
#1 | Loudspeakers and microphones | |
#2 | Alarm systems | |
#3 | Finishing work on buildings |
# | Name | Total Patents |
---|---|---|
#1 | Hossbach Erich | 3 |
#2 | Hossbach E | 2 |
#3 | Patloka Fritz | 1 |
#4 | Romen Ernst | 1 |
#5 | Ballhoff Heinrich | 1 |
#6 | Bracht Dr Friedrich-Wilhelm | 1 |
Publication | Filing date | Title |
---|---|---|
DE2316198A1 | SPEAKER MEMBRANE AND METHOD OF MANUFACTURING IT | |
DE2237613A1 | METHOD AND DEVICE FOR ROOM SECURITY | |
DE2057905B1 | Loudspeaker arrangement with tweeter and woofer diaphragm driven by a drive system | |
DE1512742A1 | Fiber fleece membrane, especially cone membrane for loudspeakers and their manufacturing process | |
DE1509331A1 | Device for laying tile panels | |
DE1146115B | Manufacture of membranes | |
DE977051C | Conical speaker cone with a base that differs from the circular shape |