Hydrostatic gear machine
CA 1099990 A · Owner: Huttenverwaltung Laucherthal · Inventors: Harle, Hermann; Eisenmann, Siegfried
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Hydrostatic Gear Machine INVENTOR: SIEGFRIED EISENMANN, 25, ConchesstraBe D-796 Aulendorf, Germany, HERMANN H?RLE 23, ConchesstraBe, D-796 Aulendorf, Germany ABSTRACT OF THE DISCLOSURE, A hydrostatic gear machine is described which comprises a pair of gear wheels meshing with one another one of the, gear wheels being an internally toothed annular gear wheel and the other an externally toothed pinion the tooth profile of, at least one of said wheels being at least substantially trochoidal; the tooth profile of a first one of the two wheels being defined as being obtained by rolling the first wheel with meshing on the other wheel. The teeth of at least one of said wheels bear the thus defined …
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 April 28, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 28, 1998.
- 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.