Oerlikon Leybold vacuum

The Leybold trademark applies only to the vacuum-pump technology division, Leybold Vacuum. As part of the Switzerland-based OC Oerlikon Management AG, the company is the world-wide leading supplier of vacuum technology and system solutions

Cologne remained the location of the vacuum-pump technoogy divison, Hürth that of the science teaching materials division. Vacuumprocess engineering stayed in Hanau. All divison became independent GmbHs (LTDs.)

Effective 1 October 1987 Leybold Heraeus was renamed Leybold Aktiengesellschaft (English: Leybold Corporation), or Leybold AG for short, and company headquarters moved from Cologne to Hanau.

The period of the 1980s was marked by turbulent growth. By 1987 the company had sales of over a billion marks thanks to the good work of its about 5,600 employees worldwide.

Merger of E. Leybold´s Nachfolger and Heraeus Hochvakuum GmbH. Until this date, Dr. Manfred Dunkel had been the head of the company for 36 years and helped it to become a company of world-wide renown also by expanding the range of products.

Development of the molecular air pump by Prof. Dr. Wolfgang Gaede.

The renamed company began its extremely successful collaboration with Prof. Dr. Wolfgang Gaede.

Ernst Leybold retired and sold the company to Emil Schmidt and Otto Ladendorff, who renamed it E. Leybold's Nachfolger.
Ernst Leybold became self-employed.