ZIMPRO INC has a total of 25 patent applications. Its first patent ever was published in 1981. It filed its patents most often in United States, Canada and Australia. Its main competitors in its focus markets environmental technology, machines and chemical engineering are ENVIROTECH SYST, TEUFERT FRIEDRICH and TIANJIN NEW ENVIRONMENTAL PROT ENGINEERING CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 9 | |
#2 | Canada | 5 | |
#3 | Australia | 2 | |
#4 | EPO (European Patent Office) | 2 | |
#5 | Japan | 2 | |
#6 | Brazil | 1 | |
#7 | Finland | 1 | |
#8 | Mexico | 1 | |
#9 | Norway | 1 | |
#10 | South Africa | 1 |
# | Industry | |
---|---|---|
#1 | Environmental technology | |
#2 | Machines | |
#3 | Chemical engineering | |
#4 | Textiles and paper | |
#5 | Thermal processes |
# | Name | Total Patents |
---|---|---|
#1 | Ellis Claude E | 5 |
#2 | Copa William Marvin | 4 |
#3 | Hoffman Clarence Anthony | 4 |
#4 | Bauer Gerald L | 4 |
#5 | Mayer Michael Ralph | 4 |
#6 | Ely Robert B | 3 |
#7 | Uiriamu Emu Kopa | 2 |
#8 | Dietrich Marvin J | 2 |
#9 | Adams Neal J | 2 |
#10 | Hoffman Mark C | 2 |
Publication | Filing date | Title |
---|---|---|
AU7361687A | Improvement in treatment of alkaline black liquor | |
US4778598A | Separation of ash from regenerated adsorbent | |
US4693831A | Rise-rate control of pulsed-bed granular medium filters | |
US4735729A | Ash concentration and disposal method | |
US4693827A | Process for protection of biological nitrification systems | |
US4626354A | Method for anaerobic treatment of high strength liquors | |
US4505210A | Multiple hearth furnace chamber | |
CA1219385A | Submerged oxygen inlet nozzle for injection of oxygen into wet oxidation reactor | |
US4524049A | Process for concurrent steam generation and metal recovery | |
US4517906A | Method and apparatus for controlling auxiliary fuel addition to a pyrolysis furnace | |
US4620563A | Blowdown pot for a reactor | |
CA1215316A | Oil reclamation process |