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Aeschlimann obtained Swiss Patent No. 369,277 for the triangular blades on the double

helix. He applied for this patent on January 29, 1958 and it was not published until June

15, 1963.

The triangular twin spiral bites into the cork and starts the cork turning. You simply

―

unscrew

‖

the cork from the bottle in a continuous clockwise motion.

It is interesting to note that Aeschlimann applied for a German patent on the bottle

opener on May 28, 1958 and patent number 1,771,391 was quickly published on July 31,

1958 almost three years before the Swiss patent. The French also beat the Swiss on

publishing the patent (number 1,200,605). He applied for that patent on July 23, 1958

and it was published on December 23, 1959.

Aeschlimann also obtained French patent (No. 1,201,854) for the triangular blades. The

application was filed on August 26, 1958 and published on June 1, 1960.

The Swiss Maxram is most

commonly found in orange. At

top right is a yellow example.