SIEBERT & KUEHN DR has a total of 19 patent applications. Its first patent ever was published in 1909. It filed its patents most often in Germany, WIPO (World Intellectual Property Organization) and Austria. Its main competitors in its focus markets measurement, electrical machinery and energy and telecommunications are ELSTER AG, RHODES & SON LTD B and BRONKHORST HIGH TECH BV.
# | Country | Total Patents | |
---|---|---|---|
#1 | Germany | 11 | |
#2 | WIPO (World Intellectual Property Organization) | 2 | |
#3 | Austria | 1 | |
#4 | Switzerland | 1 | |
#5 | EPO (European Patent Office) | 1 | |
#6 | France | 1 | |
#7 | Sweden | 1 | |
#8 | United States | 1 |
# | Industry | |
---|---|---|
#1 | Measurement | |
#2 | Electrical machinery and energy | |
#3 | Telecommunications | |
#4 | Basic communication technologies |
# | Name | Total Patents |
---|---|---|
#1 | Siebert Christian | 4 |
#2 | Trinter Frank | 3 |
#3 | Siebert Christian Dipl Ing | 3 |
#4 | Sommer Juergen Dipl Ing | 2 |
#5 | Siebert Werner | 2 |
#6 | Donner Arno | 2 |
#7 | Arno Donner | 1 |
#8 | Schuetzenmeister Karl | 1 |
#9 | Siebert Dipl-Ing Hans | 1 |
#10 | Siebert Hans Dipl-Ing | 1 |
Publication | Filing date | Title |
---|---|---|
WO9853278A1 | Device for determining the flow rate of a medium, including a liquid or a gas | |
DE4225026A1 | Flow control switch | |
DE4111001A1 | Fluid flow speed measuring arrangement - contains sensor coil, valve wheel with magnetic vanes downstream of fixed rotor which induces rotary fluid motion | |
DE3940280A1 | Device for determining the flow rate of a flow medium | |
DE3907489A1 | Device for monitoring the liquid level in a container | |
DE3907490A1 | Device for monitoring leaks in pipework filled with a fluid | |
US4906807A | Apparatus for monitoring the flow of fluid media in a pipeline | |
DE3801770A1 | Device for monitoring the flow of liquid or gaseous media | |
DE2605642A1 | Flow monitor for fluid and gaseous media - has valve which operates vane moving in gap of inductive proximity switch |