1864

The Aerzener Maschinenfabrik is founded by the banker and graduated businessman Adolph Meyer

1867

Establishment of the iron foundry

1868

Manufacture of the first european positive displacement blower - consequently the Aerzener Maschinenfabrik has more than 130 years of experience in manufacturing twin-shaft positive displacement machines - like nearly no other manufacturer worldwide

1887

The fabrication program includes Positive Displacement blowers, steam locomobiles, threshing machines, fodder chopping machines, hay makers, circular saws and portable forges

1894

The production of agricultural machines is stopped, the production of blowers increases. Supply of cupola melting furnaces, foundry machines, complete forging devices and brewery machines.

1897

The 5.000th blower is produced

1907

Conversion of the Aerzener Maschinenfabrik into an exempt private company

1909

The Aerzen workshops supply blower no. 10.000

1930

Production start for rotary piston gas meters

1943

Production start for screw compressors

1967

Development and supply of special screw compressors for air compression

1968

Serial production of oil injected screw compressors for the refrigeration industry

1971

Development and supply of oil injected screw compressors for the compressed air industry

1978

The world’s largest positive displacement blower (conveying volume 84.000 m³/h) built for steel production. Up to now totally 150 blowers of this type were manufactured and are used worldwide

1984

The world’s largest screw compressor (conveying volume 65.000 m³/h) built for and supplied to the chemical industry

1987

Aerzen develops positive displacement blowers with internal pulsation dampening, this milestone in the design of blowers was patented to the Aerzener Maschinenfabrik GmbH accordingly

1989

Blower no. 250.000 ready for delivery

1990

Certification acc. to DIN ISO 9001 - The AM is one of the first machinebuilding companies which is because of their quality orientation certificated acc. to DIN ISO 9001

1994

Serial production of the new blower unit DELTA BLOWER starts

1996

New screw compressor series DELTA SCREW presented to the market

1997

1997 VARISCREW, the new generation of compressors for refrigeration has been developed and produced

1999

Presentation of the world novelty VARISCREW+ - the first semihermetic refrigerating compressor even for ammonia applications

2001

The new gas meter series is introduced, serial production is starting

2002

For the optimisation of the production process the new workshop hall 4F is built

2003

New compressed air compressor series DELTA TWIN is presented to the market

2005

Initial presentation of the vacuum blowers with ATEX certificate for zone 0 (internal)

Market introduction of Aerzen vacuum blowers with canned motor

2006

Market introduction of the Aerzener Blower Units Delta Blower Generation 5

2008

03.04.2008 opening of the new production-center

2008

Market introduction of the Aerzener Screw Compressors Delta Screw Generation 5 with new technical innovations