Glasflügel encountered financial difficulties in the seventies which led to a co-operation with the firm Schempp-Hirth starting from May 1975. The death of Eugen Hänle in a flight accident on September 21 of the same year further aggravated the company's position, and after further changes in ownership in 1979, it was finally dissolved in 1982.
The following glider types were manufactured at Glasflügel (number produced indicated between parenthesis):
The projected Glasflügel 701 and 704 side-by-side two-seaters did not materialise due to the demise of the company.
The British company Slingsby Aviation built the Kestrel under license as the Slingsby T-59. Slingsby later developed the Slingsby Vega, a family of 15 metre span gliders heavily influenced by its previous experience with Glasflügel designs.