DVGW EV has a total of 13 patent applications. Its first patent ever was published in 1978. It filed its patents most often in Germany, Japan and United States. Its main competitors in its focus markets thermal processes, engines, pumps and turbines and measurement are ECOFLAM BRUCIATORI S P A, TAMURA MASATO and REFORMTECH HEATING HOLDING AB.
# | Country | Total Patents | |
---|---|---|---|
#1 | Germany | 5 | |
#2 | Japan | 2 | |
#3 | United States | 2 | |
#4 | China | 1 | |
#5 | Czechia | 1 | |
#6 | EPO (European Patent Office) | 1 | |
#7 | WIPO (World Intellectual Property Organization) | 1 |
# | Industry | |
---|---|---|
#1 | Thermal processes | |
#2 | Engines, pumps and turbines | |
#3 | Measurement | |
#4 | Machines |
# | Name | Total Patents |
---|---|---|
#1 | Buechner Horst Dr Ing | 8 |
#2 | Leuckel Wolfgang Prof Dr Ing | 8 |
#3 | Buechner Horst | 2 |
#4 | Leuckel Wolfgang | 2 |
#5 | Leuckel Wolfgang Prof Dr-Ing | 1 |
#6 | Buechner Horst Dr-Ing | 1 |
#7 | Horusuto Biyuuhinaa | 1 |
#8 | Borufugangu Roikeru | 1 |
#9 | Woelfel Peter | 1 |
Publication | Filing date | Title |
---|---|---|
EP0931979A1 | Method and apparatus for supressing flame and pressure fluctuations in a furnace | |
JPH09310818A | Method and apparatus for suppressing pulsation of flame and pressure in combustion facilities | |
CZ202696A3 | Method of suppressing oscillation of flames and pressure in a furnace and a furnace for making the same | |
DE19604585A1 | Small firing for domestic use | |
DE19604385A1 | Process to suppress flame and pressure fluctuations in heating system | |
DE19604384A1 | Process to suppress flame and pressure fluctuations in heating system | |
DE19526369A1 | Method and appliance for eliminating fluctuations in flames and pressure in furnace with flame-producing burner | |
US4244696A | Method and apparatus for determining the chemical oxygen demand of organic materials dissolved in water |