Assignee
UHDE GMBH
DE·131 granted patents·32 pending applications·1,495 citations·filing 1977–2009
Top patents by PatentIndex Score
163 records- 0195US7579509B2Method and device for producing 1,2-dichlorethane by means of direct chlorinationUHDE GMBH·Filed 2005·Granted Aug 25, 2009·47 cites·2 claims
- 0294US7824542B2Process for enhancement of the selectivity of physically acting solvents used for the absorption of gas components from industrial gasesUHDE GMBH·Filed 2006·Granted Nov 2, 2010·21 cites·3 claims
- 0392US7671244B2Method for producing 1,2-dichloroethane by means of direct chlorinationUHDE GMBH·Filed 2005·Granted Mar 2, 2010·46 cites·7 claims
- 0492US7157610B2Process for recovering methanolUHDE GMBH·Filed 2005·Granted Jan 2, 2007·18 cites·9 claims
- 0592US4287839AApparatus for lining the inner walls of industrial furnacesUHDE GMBH·Filed 1979·Granted Sep 8, 1981·44 cites·6 claims
- 0691US4592806AProcess for the production of grade AA methanolUHDE GMBH·Filed 1984·Granted Jun 3, 1986·49 cites·5 claims
- 0789US7682597B2Method for extracting hydrogen from a gas that contains methane, especially natural gas, and system for carrying out said methodUHDE GMBH·Filed 2004·Granted Mar 23, 2010·86 cites·3 claims
- 0887US4741885AVessel for the generation of synthesis gasUHDE GMBH·Filed 1986·Granted May 3, 1988·49 cites·15 claims
- 0986US4565297AHigh-pressure vessel with inner closureUHDE GMBH·Filed 1985·Granted Jan 21, 1986·57 cites·7 claims
- 1084US7981830B2Catalyst-coated support, method for producing the same, reactor comprising the same and use thereofUHDE GMBH·Filed 2006·Granted Jul 19, 2011·7 cites·42 claims
- 1184US7815829B2Process and device for producing horizontally tamped coal cakesUHDE GMBH·Filed 2005·Granted Oct 19, 2010·8 cites·22 claims
- 1284US7049450B2Process for the purification of crude propene oxideUHDE GMBH·Filed 2003·Granted May 23, 2006·15 cites·20 claims
- 1384US4456440AValve assembly for high-pressure pumpsUHDE GMBH·Filed 1982·Granted Jun 26, 1984·40 cites·4 claims
- 1483US7604684B2Method for selective removal of hydrogen sulphide and CO2 from crude gasUHDE GMBH·Filed 2004·Granted Oct 20, 2009·24 cites·6 claims
- 1582US4664770AElectrolyzerUHDE GMBH·Filed 1986·Granted May 12, 1987·32 cites·13 claims
- 1682US4392937AElectrolysis cellUHDE GMBH·Filed 1982·Granted Jul 12, 1983·29 cites·6 claims
- 1779US7309471B2Method for producing unsaturated halogenic hydrocarbons and device suitable for use with said methodUHDE GMBH·Filed 2003·Granted Dec 18, 2007·11 cites·46 claims
- 1879US4326041AProcess for the catalytic synthesis of methanolUHDE GMBH·Filed 1980·Granted Apr 20, 1982·19 cites·2 claims
- 1978US7837974B2Method for heating and partial oxidation of a steam/natural gas mixture after a primary reformerUHDE GMBH·Filed 2006·Granted Nov 23, 2010·5 cites·12 claims
- 2078US7699908B2Method for displacing acid gas constituents inside a natural gas networkUHDE GMBH·Filed 2004·Granted Apr 20, 2010·10 cites·14 claims
- 2178US4263143AProcess and apparatus for dispersing gas in a liquidUHDE GMBH·Filed 1979·Granted Apr 21, 1981·36 cites·4 claims
- 2277US7678956B2Method for catalytically dehydrating propane to form propyleneUHDE GMBH·Filed 2005·Granted Mar 16, 2010·4 cites·9 claims
- 2376US7744839B2Method for reducing the nitrogen oxide concentration in gasesUHDE GMBH·Filed 2006·Granted Jun 29, 2010·7 cites·19 claims
- 2476US4469577AMembrane electrolysis cellUHDE GMBH·Filed 1983·Granted Sep 4, 1984·23 cites·3 claims
- 2573US7682425B2Method for removing ammonia and dust from a waste gas that results during the production of fertilizersUHDE GMBH·Filed 2004·Granted Mar 23, 2010·11 cites·5 claims
- 2673US7097743B2Method for operating a coke-oven batteryUHDE GMBH·Filed 2002·Granted Aug 29, 2006·11 cites·5 claims
- 2773US4401153AHeat exchanger incorporating nitriding-resistant materialUHDE GMBH·Filed 1981·Granted Aug 30, 1983·36 cites·11 claims
- 2872US7854915B2Method of producing sulfuric acid and installation for carrying out the methodUHDE GMBH·Filed 2008·Granted Dec 21, 2010·2 cites·9 claims
- 2972US7671243B2Method and device for using reaction heat during the production of 1,2-dichloroethaneUHDE GMBH·Filed 2006·Granted Mar 2, 2010·3 cites·7 claims
- 3072US7169945B2Process for the epoxidation of olefinsUHDE GMBH·Filed 2003·Granted Jan 30, 2007·11 cites·52 claims
- 3172US7141683B2Process for the epoxidation of olefinsUHDE GMBH·Filed 2003·Granted Nov 28, 2006·7 cites·31 claims
- 3272US7118723B2Method for producing nitric acidUHDE GMBH·Filed 2001·Granted Oct 10, 2006·12 cites·4 claims
- 3372US7070750B2Multiple-pressure process for the production of ammoniaUHDE GMBH·Filed 2001·Granted Jul 4, 2006·17 cites·10 claims
- 3472US4537571AProcess of and apparatus for reheating and conveying a granular heat carrierUHDE GMBH·Filed 1983·Granted Aug 27, 1985·27 cites·22 claims
- 3571US7244405B2Method for cleaning coke oven gasUHDE GMBH·Filed 2002·Granted Jul 17, 2007·7 cites·6 claims
- 3670US4346113AProcess for the continuous fermentation of aqueous slurries for the production of alcohol and yeast biomassUHDE GMBH·Filed 1980·Granted Aug 24, 1982·31 cites·4 claims
- 3769US6686398B1Method and arrangement for producing methanolUHDE GMBH·Filed 2000·Granted Feb 3, 2004·7 cites·4 claims
- 3868US7753985B2Reduction of biuret and free ammonia during a method for producing fertilizer granulates containing ureaUHDE GMBH·Filed 2005·Granted Jul 13, 2010·5 cites·5 claims
- 3968US4483458AClosure system for pressure vesselsUHDE GMBH·Filed 1983·Granted Nov 20, 1984·24 cites·4 claims
- 4068US4444639AElectrolyzerUHDE GMBH·Filed 1982·Granted Apr 24, 1984·17 cites·2 claims
- 4166US7182840B1Method and device for exploiting heat resulting from the production of 1,2-dichloroethaneUHDE GMBH·Filed 2000·Granted Feb 27, 2007·10 cites·5 claims
- 4265US7670572B2Multi-phase fluid distributor for a bundled-tube reactorUHDE GMBH·Filed 2004·Granted Mar 2, 2010·12 cites·16 claims
- 4365US4785554AMethod and apparatus for conditioning bulk materialUHDE GMBH·Filed 1987·Granted Nov 22, 1988·21 cites·23 claims
- 4464US7077618B2Device for lifting and removing oven doors of a cooking ovenUHDE GMBH·Filed 2002·Granted Jul 18, 2006·4 cites·6 claims
- 4564US4742623AProcess and equipment for the indirect drying of sludge, especially for the drying of wastewater sludgeUHDE GMBH·Filed 1985·Granted May 10, 1988·29 cites·12 claims
- 4663US7866486B2Composite ceramic hollow fibres method for production and use thereofUHDE GMBH·Filed 2006·Granted Jan 11, 2011·4 cites·44 claims
- 4763US7674321B2Method for removing acid gases from pressurized natural gas that is contaminated with acid gas compounds and recovering the removed acid gases at an increased pressure levelUHDE GMBH·Filed 2004·Granted Mar 9, 2010·9 cites·12 claims
- 4861US7959768B2Partial load enabled falling film evaporator and method for operating a partial loadUHDE GMBH·Filed 2005·Granted Jun 14, 2011·2 cites·7 claims
- 4961US7258849B2Method for the production of nitric acidUHDE GMBH·Filed 2003·Granted Aug 21, 2007·7 cites·5 claims
- 5061US7122099B1Method and device for evacuating hot raw gases from coke ovensUHDE GMBH·Filed 2000·Granted Oct 17, 2006·5 cites·7 claims
Showing the top 50 of 163 patent records by PatentIndex Score.
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