HOFFMANN CHRISTIAN has a total of 12 patent applications. Its first patent ever was published in 1982. It filed its patents most often in United States, Germany and EPO (European Patent Office). Its main competitors in its focus markets civil engineering, semiconductors and surface technology and coating are Rao Yaling, GRANDLAND DECORATION CO LTD and NEOGARD KOREA CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 4 | |
#2 | Germany | 3 | |
#3 | EPO (European Patent Office) | 3 | |
#4 | German Democratic Republic | 1 | |
#5 | WIPO (World Intellectual Property Organization) | 1 |
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Semiconductors | |
#3 | Surface technology and coating | |
#4 | Materials and metallurgy | |
#5 | Electrical machinery and energy | |
#6 | Biotechnology | |
#7 | Machine tools | |
#8 | Engines, pumps and turbines | |
#9 | Consumer goods |
# | Name | Total Patents |
---|---|---|
#1 | Hoffmann Christian | 12 |
#2 | Wang Yongli | 2 |
#3 | Kartashev Igor | 1 |
#4 | Wimmer Richard | 1 |
#5 | Vogel Klaus | 1 |
#6 | Kounga Njiwa Alain Brice | 1 |
#7 | Koch Achim | 1 |
#8 | Keller Karsten | 1 |
#9 | Nedo Werner | 1 |
Publication | Filing date | Title |
---|---|---|
DE102008017449A1 | Connecting element is made up of knot element and connecting piece, where knot element consists of circular body and connecting piece is formed from two box-shaped bodies | |
DE102005035245A1 | Verfugungsvorrichtung | |
US2005261479A1 | Method for purifying and recovering silk proteins using magnetic affinity separation | |
EP1522654A2 | Tool for filling joints | |
DE10238183B3 | Internal cleaning system for water pipes, includes stainless steel rod and casing, introduced with hot biological cleaner and limescale remover | |
EP1219366A2 | Method for manufacturing a profile, especially a thread, on steel rods and installation and device therefor | |
DD209586A1 | Driving and control device for feeding tool for a tool |