DURACELL INC has a total of 929 patent applications. Its first patent ever was published in 1976. It filed its patents most often in United States, Australia and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets electrical machinery and energy, environmental technology and machines are NEC MOBILE ENERGY CORP, SAFT GROUPE SA and MOLI ENERGY LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 199 | |
#2 | Australia | 86 | |
#3 | WIPO (World Intellectual Property Organization) | 80 | |
#4 | Canada | 71 | |
#5 | EPO (European Patent Office) | 66 | |
#6 | South Africa | 59 | |
#7 | Taiwan | 55 | |
#8 | China | 51 | |
#9 | Brazil | 37 | |
#10 | Argentina | 31 | |
#11 | Israel | 25 | |
#12 | Mexico | 25 | |
#13 | New Zealand | 20 | |
#14 | Czechia | 14 | |
#15 | Hong Kong | 13 | |
#16 | Norway | 12 | |
#17 | Republic of Korea | 10 | |
#18 | Finland | 9 | |
#19 | Poland | 9 | |
#20 | United Kingdom | 5 | |
#21 | India | 5 | |
#22 | Singapore | 5 | |
#23 | Bulgaria | 4 | |
#24 | Germany | 4 | |
#25 | Ecuador | 4 | |
#26 | Belgium | 3 | |
#27 | Spain | 3 | |
#28 | France | 3 | |
#29 | Italy | 3 | |
#30 | Colombia | 2 | |
#31 | Denmark | 2 | |
#32 | Hungary | 2 | |
#33 | Iceland | 2 | |
#34 | Portugal | 2 | |
#35 | Romania | 2 | |
#36 | Switzerland | 1 | |
#37 | Ireland | 1 | |
#38 | Jordan | 1 | |
#39 | Malaysia | 1 | |
#40 | Peru | 1 | |
#41 | El Salvador | 1 |
# | Industry | |
---|---|---|
#1 | Electrical machinery and energy | |
#2 | Environmental technology | |
#3 | Machines | |
#4 | Materials and metallurgy | |
#5 | Measurement | |
#6 | Packaging and shipping |
# | Name | Total Patents |
---|---|---|
#1 | Bowden William L | 65 |
#2 | Yoppolo Robert A | 61 |
#3 | Wiacek Marian | 60 |
#4 | Sargeant Sean A | 59 |
#5 | Mchugh William T | 56 |
#6 | Fontaine Lucien P | 54 |
#7 | Treger Jack | 51 |
#8 | Woodnorth Douglas J | 51 |
#9 | Blasi Jane A | 48 |
#10 | Lin Lifun | 48 |
Publication | Filing date | Title |
---|---|---|
US2003079337A1 | Battery cathode | |
AU2257100A | An improved manganese dioxide for lithium batteries | |
EP1145361A1 | Reduced leakage metal-air electrochemical cell | |
AU2045700A | Electrochemical cell closure | |
AU3793999A | Electrochemical cell label with integrated tester | |
AU3987499A | Battery cathode materials | |
AU3978599A | Lithiated manganese oxide | |
ZA9811891B | Electrochemical cell balance. | |
ZA9811892B | Battery cathode | |
ZA9811894B | Porous battery | |
ZA9811893B | Battery separator. | |
CN1285960A | Porous alkaline zinc/manganese oxide battery | |
CA2316922A1 | Electrochemical cell balance | |
CA2313790A1 | Battery cathode | |
WO9934459A1 | Battery separator | |
US6207322B1 | Alkaline cell with semisolid cathode | |
US6051957A | Battery pack having a state of charge indicator | |
US6143446A | Battery cathode | |
US6521378B2 | Electrode having multi-modal distribution of zinc-based particles | |
US6126704A | Method of forming a terminal pip protrusion on the casing of an alkaline cell |