HOELLER STEFAN has a total of 15 patent applications. Its first patent ever was published in 2000. It filed its patents most often in WIPO (World Intellectual Property Organization), Germany and EPO (European Patent Office). Its main competitors in its focus markets environmental technology, electrical machinery and energy and materials and metallurgy are JIANGSU YUANJING LITHIUM POWDER IND CO LTD, EICKHOFF STEVEN J and GOTTMANN MATTHIAS.
# | Country | Total Patents | |
---|---|---|---|
#1 | WIPO (World Intellectual Property Organization) | 5 | |
#2 | Germany | 4 | |
#3 | EPO (European Patent Office) | 4 | |
#4 | Canada | 1 | |
#5 | United States | 1 |
# | Technology | |
---|---|---|
#1 | Reduction of greenhouse gas emissions | |
#2 | Batteries | |
#3 | Climate change mitigation in goods production | |
#4 | Electrolytic processes | |
#5 | Separation | |
#6 | Non-metallic elements |
# | Name | Total Patents |
---|---|---|
#1 | Hoeller Stefan | 15 |
#2 | Kueter Uwe | 15 |
#3 | Mantal Nils | 1 |
#4 | Gaedeke Freimut | 1 |
#5 | Wuerfel Claus | 1 |
Publication | Filing date | Title |
---|---|---|
US2013032472A1 | Apparatus for the electrical production of hydrogen | |
EP1381104A1 | Fuel cell stack with counterflow cooling and a plurality of coolant evacuation channels parallel to the stack axis | |
EP1353396A1 | Electrochemical cell or stack arrangement of two or more electrochemical cells | |
EP1353395A1 | Fuel cell assembly | |
EP1244167A1 | End plates for an electrochemical cell with polymer electrolyte membrane | |
DE10062627A1 | Method for operating a fuel cell and device / fuel cell suitable for carrying out the method | |
WO0124298A1 | Method for operating a fuel cell and device therefor | |
DE10038538A1 | Electrochemical cell | |
DE10038589A1 | Electrochemical cell | |
DE10024757A1 | Method for operating a fuel cell and suitable fuel cell for carrying out the method |