Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10974309 | Condenser tubes with additional flank structure | Achim Gotterbarm, Jean El Hajal | 2021-04-13 |
| 10094625 | Condenser tubes with additional flank structure | Achim Gotterbarm, Jean El Hajal | 2018-10-09 |
| 10024607 | Heat exchanger tube and methods for producing a heat exchanger tube | Achim Gotterbarm, Ronald Lutz | 2018-07-17 |
| 9909819 | Evaporator tube having an optimised external structure | Ronald Lutz, Andreas Schwitalla, Markus Revermann, Christian Rettich | 2018-03-06 |
| 9644900 | Evaporation heat transfer tube | Andreas Schwitalla, Jianying Cao, Zhong Luo | 2017-05-09 |
| 9618279 | Evaporator tube having an optimised external structure | Ronald Lutz, Andreas Schwitalla, Markus Revermann, Christian Rettich | 2017-04-11 |
| 9541336 | Evaporation heat transfer tube with a hollow cavity | Andreas Schwitalla, Jianying Cao, Zhong Luo | 2017-01-10 |
| 9234709 | Heat exchanger tube and methods for producing a heat exchanger tube | Achim Gotterbarm, Ronald Lutz | 2016-01-12 |
| 9097471 | Method of producing a heat exchanger tube | Jean El Hajal, Ronald Lutz | 2015-08-04 |
| 8899308 | Heat exchanger tube and method for producing it | Jean El Hajal, Ronald Lutz | 2014-12-02 |
| 8857505 | Structured heat exchanger tube and method for the production thereof | Jean El Hajal, Markus Revermann, Andreas Schwitalla | 2014-10-14 |
| 8550152 | Metallic heat exchanger tube | Jean El Hajal, Achim Gotterbarm, Ronald Lutz | 2013-10-08 |
| 8281850 | Evaporator tube with optimized undercuts on the groove base | Jean El Hajal, Andreas Knoepfler, Ronald Lutz, Andreas Schwitalla | 2012-10-09 |
| 7451542 | Method of manufacture of heat-exchanger tube structured on both sides | Karine Brand, Andreas Knoepfler, Ronald Lutz | 2008-11-18 |
| 6913073 | Heat transfer tube and a method of fabrication thereof | Manfred Knab, Andreas Knoepfler, Axel Kriegsmann, Klaus Menze, Gerhard Schuez +1 more | 2005-07-05 |
| 6786072 | Method of fabricating a heat exchanger tube | Manfred Knab, Andreas Knoepfler, Axel Kriegsmann, Klaus Menze, Gerhard Schuez +1 more | 2004-09-07 |
| 6488078 | Heat-exchanger tube structured on both sides and a method for its manufacture | Guenter Fetzer, Ronald Lutz, Gerhard Schuez, Andreas Schwitalla | 2002-12-03 |
| 6457516 | Heat transfer tube for evaporation with variable pore sizes | Karine Brand, Manfred Knab, Gerhard Schuez, Andreas Schwitalla | 2002-10-01 |
| 6067832 | Process for the production of an evaporator tube | Karine Brand, Manfred Knab, Gerhard Schuez, Andreas Schwitalla | 2000-05-30 |