Assignee
GEA LUFTKUEHLER HAPPEL GMBH
DE·21 granted patents·424 citations·filing 1973–2003
Top patents by PatentIndex Score
21 records- 0180US4098854ACombined wet and dry liquid cooling system and methodGEA LUFTKUEHLER HAPPEL GMBH·Filed 1977·Granted Jul 4, 1978·43 cites·10 claims
- 0278US4190102AAir cooled condenser installationGEA LUFTKUEHLER HAPPEL GMBH·Filed 1978·Granted Feb 26, 1980·35 cites·8 claims
- 0376US3944636ACooling towerGEA LUFTKUEHLER HAPPEL GMBH·Filed 1975·Granted Mar 16, 1976·37 cites·11 claims
- 0472US5293841AArrangement for utilizing the heat contained in the exhaust gas of a coal-fired boilerGEA LUFTKUEHLER HAPPEL GMBH·Filed 1993·Granted Mar 15, 1994·41 cites·2 claims
- 0570US3976126AAir cooled surface condenserGEA LUFTKUEHLER HAPPEL GMBH·Filed 1973·Granted Aug 24, 1976·25 cites·9 claims
- 0662US4997036AHeat exchanger tubeGEA LUFTKUEHLER HAPPEL GMBH·Filed 1988·Granted Mar 5, 1991·27 cites·10 claims
- 0762US4915062AOnce-through steam generatorGEA LUFTKUEHLER HAPPEL GMBH·Filed 1988·Granted Apr 10, 1990·23 cites·12 claims
- 0860US5623989AFinned tube heat exchangerGEA LUFTKUEHLER HAPPEL GMBH·Filed 1995·Granted Apr 29, 1997·32 cites·16 claims
- 0956US4056142AHeat exchange arrangementGEA LUFTKUEHLER HAPPEL GMBH·Filed 1975·Granted Nov 1, 1977·9 cites·8 claims
- 1055US4022853AInstallation for changing the temperature of fluid media, particularly for cooling liquids and condensing vapors with airGEA LUFTKUEHLER HAPPEL GMBH·Filed 1974·Granted May 10, 1977·21 cites·10 claims
- 1154US5086831AArrangement for the catalytic oxidation of the harmful components in a cooled carrier gas of a technical processGEA LUFTKUEHLER HAPPEL GMBH·Filed 1991·Granted Feb 11, 1992·16 cites·15 claims
- 1254US4622183ADevice for transferring cooling water of a wet or wet/dry cooling tower to recirculation meansGEA LUFTKUEHLER HAPPEL GMBH·Filed 1985·Granted Nov 11, 1986·17 cites·19 claims
- 1352US4619671AEnergy transfer device for desulfurizing installationGEA LUFTKUEHLER HAPPEL GMBH·Filed 1985·Granted Oct 28, 1986·19 cites·15 claims
- 1452US4049363AAxial flow fan with adjustable bladesGEA LUFTKUEHLER HAPPEL GMBH·Filed 1975·Granted Sep 20, 1977·16 cites·40 claims
- 1550US5292056Amethod of welding heat exchangersGEA LUFTKUEHLER HAPPEL GMBH·Filed 1993·Granted Mar 8, 1994·16 cites·2 claims
- 1647US6929060B2Heat exchanger, and method of making a heat exchangerGEA LUFTKUEHLER HAPPEL GMBH·Filed 2003·Granted Aug 16, 2005·7 cites·10 claims
- 1746US4715432AAir-cooled tube condenserGEA LUFTKUEHLER HAPPEL GMBH·Filed 1986·Granted Dec 29, 1987·13 cites·4 claims
- 1839US5448830AProcess for the production of a heat exchanger and apparatus for carrying out the methodGEA LUFTKUEHLER HAPPEL GMBH·Filed 1991·Granted Sep 12, 1995·14 cites·10 claims
- 1938US3951207AHeat exchange arrangementGEA LUFTKUEHLER HAPPEL GMBH·Filed 1974·Granted Apr 20, 1976·7 cites·20 claims
- 2029US5094826AMethod and arrangement for the denitrification and desulfurization of hot waste gases, particularly from furnacesGEA LUFTKUEHLER HAPPEL GMBH·Filed 1991·Granted Mar 10, 1992·5 cites·15 claims
- 2112US4685204AArrangement for drawing transverse ribsGEA LUFTKUEHLER HAPPEL GMBH·Filed 1985·Granted Aug 11, 1987·1 cites·15 claims
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