WALKER DEUTSCHLAND GMBH has a total of 11 patent applications. Its first patent ever was published in 1979. It filed its patents most often in Germany, South Africa and Australia. Its main competitors in its focus markets environmental technology, machine tools and engines, pumps and turbines are AKRAPOVIC D D, BRISTYAN BARNA and TENNECO (SUZHOU) EMISSION SYSTEM CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | Germany | 4 | |
#2 | South Africa | 2 | |
#3 | Australia | 1 | |
#4 | United Kingdom | 1 | |
#5 | Ireland | 1 | |
#6 | Portugal | 1 | |
#7 | WIPO (World Intellectual Property Organization) | 1 |
# | Industry | |
---|---|---|
#1 | Environmental technology | |
#2 | Machine tools | |
#3 | Engines, pumps and turbines |
# | Name | Total Patents |
---|---|---|
#1 | Lefever Luc | 7 |
#2 | Luc Lefever | 2 |
#3 | Fassbeck Walter | 1 |
#4 | Schmitt Gerd | 1 |
Publication | Filing date | Title |
---|---|---|
DE4235625A1 | Exhaust silencer for motor vehicle - has extra connection to remove condensate from excess pressure chamber to exhaust discharge tube | |
DE4036284A1 | DEVICE FOR THE USE OF A CATALYST FOR A TWO-STROKE ENGINE | |
DE3130794A1 | Method of frictionally connecting a hub to a disc and/or a bush made of different materials | |
GB2058921A | Airflow guide for the cooling fan of automobile engines | |
DE2936958A1 | Vehicle IC engine radiator cooling fan - has diaphragm ring fixed to engine and connected to air cowl joined to radiator via flexible membrane |