QUAD CORP has a total of 12 patent applications. Its first patent ever was published in 1975. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets chemical engineering, environmental technology and machines are FENGYANG HAITAIKE ENERGY ENVIRONMENTAL MAN SERVICES CO LTD, DONG BING JI and FAGERSTA INTERVEX AB.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 7 | |
#2 | Canada | 3 | |
#3 | Germany | 1 | |
#4 | United Kingdom | 1 |
# | Industry | |
---|---|---|
#1 | Chemical engineering | |
#2 | Environmental technology | |
#3 | Machines | |
#4 | Foods and drinks | |
#5 | Packaging and shipping | |
#6 | Consumer goods |
# | Technology | |
---|---|---|
#1 | Separation | |
#2 | Combustion residues removal | |
#3 | Reduction of greenhouse gas emissions | |
#4 | Unspecified technologies | |
#5 | Ice-boxes | |
#6 | Containers for goods storage | |
#7 | Unspecified technologies | |
#8 | Food preservation |
# | Name | Total Patents |
---|---|---|
#1 | Devries Egbert | 10 |
#2 | Vries Egbert De | 1 |
Publication | Filing date | Title |
---|---|---|
CA1137409A | Removal of odors from gas streams | |
US4238461A | Removal of odors from gas streams | |
US4206870A | Pressure relief valve | |
US4225566A | Process for performing multiple chemical reactions | |
DE2813403A1 | Odorous and offensive vapour treatment - by spraying with water and oxidising agent after removing condensable constituents | |
CA1095694A | Odor control system | |
GB1534639A | Process for the removal of odours from vapours | |
US4141702A | Condensation cleaning of exhaust gases | |
US4125589A | Odor control system | |
US3965698A | Refrigerated structure | |
US3958020A | Bactericidal wash for meat |