VITROHM GMBH CO KG has a total of 26 patent applications. Its first patent ever was published in 1963. It filed its patents most often in Germany, Denmark and Netherlands. Its main competitors in its focus markets electrical machinery and energy, machines and audio-visual technology are CLAROSTAT MFG CO INC, RESISTA FABRIK GMBH and CHICAGO TELEPHONE SUPPLY CORP.
# | Country | Total Patents | |
---|---|---|---|
#1 | Germany | 7 | |
#2 | Denmark | 3 | |
#3 | Netherlands | 3 | |
#4 | Sweden | 3 | |
#5 | EPO (European Patent Office) | 2 | |
#6 | United Kingdom | 2 | |
#7 | Italy | 2 | |
#8 | Switzerland | 1 | |
#9 | Spain | 1 | |
#10 | France | 1 | |
#11 | Norway | 1 |
# | Industry | |
---|---|---|
#1 | Electrical machinery and energy | |
#2 | Machines | |
#3 | Audio-visual technology |
# | Technology | |
---|---|---|
#1 | Resistors | |
#2 | Unspecified technologies | |
#3 | Electric switches | |
#4 | Casings and printed circuits |
# | Name | Total Patents |
---|---|---|
#1 | Schulz B | 5 |
#2 | Kuehl Karl-Heinz | 3 |
#3 | Tielens A | 3 |
#4 | Muranka E | 2 |
#5 | Tielens T | 2 |
#6 | Schulz Bernhard | 2 |
#7 | Tielens Asmund | 2 |
#8 | Muranka Eberhard Peter | 2 |
#9 | Kuehl K H | 1 |
#10 | Engbirk Poul | 1 |
Publication | Filing date | Title |
---|---|---|
DE4429569A1 | Thermal fuse mfr. for resistive tracks on insulated surface | |
DE2939320A1 | LOW-OHM WIRE RESISTANCE AND METHOD FOR THE PRODUCTION THEREOF | |
EP0004539A2 | Heavy-duty wire resistor | |
DE2613677A1 | ELECTRIC WIRE RESISTOR | |
DE2262276A1 | HEAVY DUTY ELECTRIC RESISTOR | |
DE1615985A1 | Heavy-duty wire resistor | |
DE1515624B1 | Electrical resistance with fuse | |
DE1465416A1 | Electrical resistance |