1903 Granted patent for the world's first liquid ring vacuum pump.
1906 A smaller Elmo vacuum pump was used in Germany's first vacuum cleaner.
1926 Siemens-Schuckert Co offered the Elmo self-priming pump
At some point was acquired by Siemens
1963 Introduced the first side channel blower which revolutionized the vacuum and pressure market.
2000 Siemens spun-off its liquid ring pumps and compressor business as elmo vacuum technology.
2002 Nash Engineering merged with elmo Vacuum Technology, which brought together both liquid ring vacuum pump technologies to become the world's largest manufacturer of liquid ring pumps and compressors, Nash elmo.
See Also
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Sources of Information
- [1] Gardner Denver website