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.
1963 Introduced the first side channel blower which revolutionized the vacuum and pressure market.
At some point was acquired by Siemens
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
Sources of Information
- [1] Gardner Denver website