Diesel type pile-driver
CA 1290950 C · Owner: Gebruder Lindenmeyer Gmbh & Co. · Inventors: Mauch, Magnus
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A diesel type pile-driver has a diesel cylinder with an outer face and an open bottom end a ram, accommodated in the diesel cylinder a monkey which, slides around the bottom end of the diesel cylinder and seals off the latter to define a diesel working area thereabove, and a device for supplying fresh air and fuel in phase with the movement of the ram to the diesel working area delimited by the ram, cylinder and monkey and to take away the diesel combustion gases from the working area; the monkey is cup-shaped and runs with its cylindrical peripheral wall in a sliding fit impervious to flowing agents on the outer face of the diesel cylinder; the diesel cylinder having a radially projecting …
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted October 22, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 22, 2008.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.