DUFRESNE PIERRE has a total of 11 patent applications. Its first patent ever was published in 1951. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets basic materials chemistry, chemical engineering and machines are NIPPON KETJEN CO LTD, SYNFUELS CHINA INNER MONGOLIA CO LTD and NIPPON KECCHEN KK.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 5 | |
#2 | United Kingdom | 4 | |
#3 | Canada | 1 | |
#4 | Switzerland | 1 |
# | Industry | |
---|---|---|
#1 | Basic materials chemistry | |
#2 | Chemical engineering | |
#3 | Machines | |
#4 | Medical technology | |
#5 | Furniture and games |
# | Technology | |
---|---|---|
#1 | Liquid hydrocarbon mixture production | |
#2 | Chemical or physical processes | |
#3 | Unspecified technologies | |
#4 | Implantable devices | |
#5 | Games | |
#6 | Postal sorting |
# | Name | Total Patents |
---|---|---|
#1 | Dufresne Pierre | 6 |
#2 | Galliou Pauline | 3 |
#3 | Nagy Eric | 2 |
#4 | Meens Maxime | 2 |
#5 | Romano Loredana | 1 |
#6 | Pierre Dufresne | 1 |
#7 | Bremaud Mickaël | 1 |
#8 | Labruyere Franck | 1 |
#9 | Bremaud Mickael | 1 |
#10 | Kirumakki Sharath | 1 |
Publication | Filing date | Title |
---|---|---|
GB0607128D0 | In-situ water and soil treatment method and system | |
GB0504036D0 | In-situ water and soil treatment method and system | |
GB0404610D0 | In-situ water and soil treatment method and system | |
GB0303686D0 | In-situ water and soil treatment method and system | |
CA2215301A1 | Mini wind deflector |