DUALLIFT GMBH has a total of 17 patent applications. Its first patent ever was published in 2011. It filed its patents most often in EPO (European Patent Office), Germany and China. Its main competitors in its focus markets packaging and shipping, electrical machinery and energy and civil engineering are INST GORNOJ MEK TEKHN KIB IM M, ATLANTIC ELEVATOR COMPANY and STAHL A G R.
# | Country | Total Patents | |
---|---|---|---|
#1 | EPO (European Patent Office) | 6 | |
#2 | Germany | 5 | |
#3 | China | 2 | |
#4 | United States | 2 | |
#5 | Mexico | 1 | |
#6 | WIPO (World Intellectual Property Organization) | 1 |
# | Industry | |
---|---|---|
#1 | Packaging and shipping | |
#2 | Electrical machinery and energy | |
#3 | Civil engineering | |
#4 | Consumer goods |
# | Technology | |
---|---|---|
#1 | Elevators and escalators | |
#2 | Winches | |
#3 | Electric motor controls | |
#4 | Scaffolding | |
#5 | Cranes | |
#6 | Live-saving devices | |
#7 | AC and DC conversion devices |
# | Name | Total Patents |
---|---|---|
#1 | Lülfing Frank | 9 |
#2 | Luelfing Frank | 2 |
#3 | Rulfs Eike | 2 |
#4 | Frank Lulfing | 1 |
#5 | Frank Lülfing | 1 |
#6 | Blasek Jörg | 1 |
#7 | Lulfing Frank | 1 |
Publication | Filing date | Title |
---|---|---|
DE102019107894A1 | Fastening device for tying a rope of a winch to an object | |
CN108602657A | The continuous winch of rope type | |
EP3181503A1 | Rope catch, and lift installation with the same | |
US2016167922A1 | Service lift | |
CN105668388A | Service elevator | |
EP3020674A1 | Service lift | |
DE102013217331A1 | Lift system, in particular passenger or goods lift installation | |
DE102013215901A1 | service lift | |
DE102012202430A1 | Lifting device with double winch | |
DE102011089802A1 | Rope winch used for lifting e.g. loads in industrial areas, has piston force limiting unit that is provided to stop drive in dependence of relative movements of drive unit and motor, when predetermined motive force is exceeded | |
EP2643257A2 | Rope safety catch |