DERAFE LTD has a total of 21 patent applications. Its first patent ever was published in 1991. It filed its patents most often in Australia, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets electrical machinery and energy, environmental technology and materials and metallurgy are QUANTUMSPHERE INC, JIANGSU DUKE NEW ENERGY AUTOMOBILE CO LTD and HANS VOGT DR H C.
# | Country | Total Patents | |
---|---|---|---|
#1 | Australia | 6 | |
#2 | WIPO (World Intellectual Property Organization) | 6 | |
#3 | United States | 5 | |
#4 | Canada | 1 | |
#5 | China | 1 | |
#6 | EPO (European Patent Office) | 1 | |
#7 | South Africa | 1 |
# | Industry | |
---|---|---|
#1 | Electrical machinery and energy | |
#2 | Environmental technology | |
#3 | Materials and metallurgy | |
#4 | Machines | |
#5 | Machine tools |
# | Name | Total Patents |
---|---|---|
#1 | Feldstein Robert S | 21 |
Publication | Filing date | Title |
---|---|---|
AU7099494A | Bipolar lead/acid batteries | |
WO9429916A1 | Integral electrode structures having filler additives | |
US5411821A | Integral battery electrode structure for lead/acid batteries | |
US5379502A | Methods for fabricating battery plates for lead/acid batteries | |
US5339873A | Cored battery plates for lead/acid batteries | |
CN1094450A | Methods for alloy migration sintering | |
ZA9209257B | Methods for alloy migration sintering | |
US5248475A | Methods for alloy migration sintering |