AMERICAN PETRO MART INC has a total of 78 patent applications. Its first patent ever was published in 1978. It filed its patents most often in United States, Brazil and EPO (European Patent Office). Its main competitors in its focus markets materials and metallurgy, chemical engineering and environmental technology are CLEAN TEQ PTY LTD, PNII GIPRONIKEL and KOREA ZINC CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 7 | |
#2 | Brazil | 6 | |
#3 | EPO (European Patent Office) | 6 | |
#4 | South Africa | 6 | |
#5 | Australia | 5 | |
#6 | Denmark | 5 | |
#7 | Spain | 5 | |
#8 | France | 5 | |
#9 | Israel | 5 | |
#10 | India | 5 | |
#11 | Morocco | 5 | |
#12 | Portugal | 5 | |
#13 | Canada | 4 | |
#14 | Greece | 4 | |
#15 | Republic of Korea | 4 | |
#16 | Mexico | 1 |
# | Industry | |
---|---|---|
#1 | Materials and metallurgy | |
#2 | Chemical engineering | |
#3 | Environmental technology | |
#4 | Measurement | |
#5 | Basic materials chemistry |
# | Name | Total Patents |
---|---|---|
#1 | Whitney Solon Gene | 25 |
#2 | Whitney Solon G | 14 |
#3 | Erickson William Richard | 14 |
#4 | Hedrick Harold Nelson | 12 |
#5 | Hedrick Harold N | 7 |
#6 | Lawton William S | 6 |
#7 | Thomas William P | 6 |
#8 | Erickson William R | 6 |
#9 | Carlson Lee Gerald | 3 |
#10 | Carlson Lee G | 3 |
Publication | Filing date | Title |
---|---|---|
US4721519A | Stable ammonium polyphosphate liquid fertilizer from merchant grade phosphoric acid | |
US4461710A | Adjustably metered transfer of resin increments in folded bed ion exchange systems | |
US4493907A | Method of using higher concentration sulfuric acid for stripping and precipitation of adsorbed magnesium | |
AU8467682A | Removing magnesium from cation exchangers | |
US4363880A | Method of selectively removing adsorbed calcium and magnesium from cation exchange resins | |
US4385993A | Method and apparatus for folded moving bed ion exchange system | |
BR7908077A | Mobile bed ion exchanger and mobile bed ion exchange process | |
US4280904A | High capacity folded moving bed ion exchange apparatus and method for treating phosphoric acid | |
US4228001A | Folded moving bed ion exchange apparatus and method |