| 1946 : |
Foundation of the Leroux & Lotz boiler works factory in Nantes. |
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| 1965 : |
Our company starts its activities in Oil & Gas as mechanical equipment manufacturer and becomes one the very first French pressure vessels suppliers in this area. |
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| 1977 : |
With the advent of Nuclear Power, Leroux & Lotz Technologies develops new capabilities and supplies auxiliary IP – BP piping of many EDF Power Plants. |
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| 1980 : |
Capitalising on its Nuclear know-how, our company involves in the construction of Nuclear submarines: SNLE, SNA. Leroux & Lotz Technologies is awarded many construction contracts by DCN, such as primary circuits on SNLEs, then revamping and modernisation contracts such as for the missile tubes. |
1985 : |
First order for the supply of a heat recovery boiler for a municipal waste to energy plant.. |
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| 1987 : |
First fabrication of engine blocks for the Pielstick company, leading to a continuing long term partnership. Leroux & Lotz Technologies has so far been fabricating more than hundred such blocks for diesel-electric power plants or marine propulsion. |
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| 1995 : |
Following its development in Oil & Gas, our company jointly develops with Elf-Antar (to-day, Total) a new concept of modular lubricants production units. Since then, many such units have been installed on 4 continents. |
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| 2000 : |
Leroux & Lotz Technologies acquires new boiler design capacities, thus becoming totally independent as boiler manufacturer. Its boiler product range has since then been continuously developing.. |
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| 2005 : |
Leroux & Lotz Technologies is taken over by ALTAWEST, thus joining an Energy and Environment dedicated group. The same year, Leroux & Lotz Turbomachinery is created to address the turbines, compressors and pumps maintenance market. |