GROTHE & SOEHNE GMBH & CO KG A has a total of 18 patent applications. Its first patent ever was published in 1993. It filed its patents most often in Germany, EPO (European Patent Office) and Netherlands. Its main competitors in its focus markets telecommunications, electrical machinery and energy and civil engineering are TELCLIC LTD, CASTRO MARCELO and INVENTECH MULTIMEDIA & TELECOM.
# | Country | Total Patents | |
---|---|---|---|
#1 | Germany | 11 | |
#2 | EPO (European Patent Office) | 3 | |
#3 | Netherlands | 3 | |
#4 | Austria | 1 |
# | Industry | |
---|---|---|
#1 | Telecommunications | |
#2 | Electrical machinery and energy | |
#3 | Civil engineering | |
#4 | Audio-visual technology |
# | Name | Total Patents |
---|---|---|
#1 | Weyel Armin | 6 |
#2 | Boeser Werner | 4 |
#3 | Mansel Werner | 3 |
#4 | Feller Joerg | 2 |
#5 | Mansel Werner Dipl Ing | 2 |
#6 | Fahnemann Ullrich | 1 |
#7 | Kuchem Hubert | 1 |
#8 | Dahl Juergen | 1 |
#9 | Meinders Siemen-Jannes | 1 |
#10 | Oster Axel | 1 |
Publication | Filing date | Title |
---|---|---|
DE10045511A1 | bell transformer | |
EP1135013A1 | Door installation | |
DE19817238A1 | Call, intercom and switchgear for home automation | |
EP0843325A1 | Small transformer | |
DE19739392A1 | Door entry phone and intercom | |
DE19739393A1 | Door entry phone and intercom | |
DE19650695C1 | Power supply for electrical door | |
DE19613430A1 | Telephone exchange system with switching device | |
DE4340497A1 | Power supply for an electric door opener system | |
DE4337519A1 | House signal and intercom | |
DE4333456C1 | Building intercom system | |
DE4333455A1 | House signal and door opener system | |
DE4312686A1 | Doorphone arrangement |