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Expired Canadian patentCanada

Fluid circulated linear motor for robotic systems

CA 1279360 C · Owner: Farzan, Farshad · Inventors: Twaalfhoven, Mark C.J.; Farzan, Farshad; Roufeh, Sol

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Abstract From the Canadian patent

A linear motor comprised of a plurality of primary coils arranged and spaced sequentially. A fluid intake manifold and a fluid exhaust manifold with at least one conduit in fluid communication between the intake and exhaust manifolds, such that the fluid intake manifold, fluid exhaust manifold and conduit are associated with the primary coils to control the temperature of the motor. A robotically controlled linear motor apparatus for manipulating physical arms in one or more dimensions with at least one linear motor comprised of primary coils sequentially and spacially arranged and a secondary coil positioned magnetically adjacent to the primary coils. A fluid circulating manifold as …

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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 January 22, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 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.
FiledOctober 7, 1987
GrantedJanuary 22, 1991
Term endedJanuary 22, 2008
Patent numberCA 1279360 C
Classification (IPC)H02K41/02 +2 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedOct 7, 1987Patent grantedJan 22, 1991Term endedJan 22, 2008

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.