ZHANG PUHUA has a total of 20 patent applications. Its first patent ever was published in 2002. It filed its patents most often in China, Australia and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets basic materials chemistry, environmental technology and engines, pumps and turbines are DORF KETAL CHEMICALS FZE, INTERNAT FUEL TECHNOLOGY INC and LEE YOUNG SEO.
# | Country | Total Patents | |
---|---|---|---|
#1 | China | 6 | |
#2 | Australia | 2 | |
#3 | WIPO (World Intellectual Property Organization) | 2 | |
#4 | African Regional Industrial Property Organization | 1 | |
#5 | Brazil | 1 | |
#6 | Canada | 1 | |
#7 | EAPO (Eurasian Patent Organization) | 1 | |
#8 | EPO (European Patent Office) | 1 | |
#9 | Hong Kong | 1 | |
#10 | Republic of Korea | 1 | |
#11 | Norway | 1 | |
#12 | Serbia | 1 | |
#13 | United States | 1 |
# | Industry | |
---|---|---|
#1 | Basic materials chemistry | |
#2 | Environmental technology | |
#3 | Engines, pumps and turbines |
# | Technology | |
---|---|---|
#1 | Fuels | |
#2 | Supplying combustion engines | |
#3 | Climate change mitigation in transportation |
# | Name | Total Patents |
---|---|---|
#1 | Zhang Puhua | 20 |
#2 | Xu Minsheng | 1 |
Publication | Filing date | Title |
---|---|---|
CN104295410A | Energy-saving carburetor | |
CN104153916A | Efficient energy-saving internal combustion engine automatic adjustment oil supply mechanism and flow control method thereof | |
CN103195617A | Automatic regulating and control equipment promoting fuel combustion | |
CN101289981A | Heat engine exhausting pipe evaporation -electrolytic apparatus | |
CN1690179A | Method for converting water into steam and device therefor | |
AU2002354324A1 | A venturi tube device for an internal combustion engine | |
CN1408992A | Method and device for changing water into fuel |