Patent Yard Sign in
Expired Canadian patentCanada

Metering pump

CA 1189035 A · Owner: Hibar Systems Ltd. · Inventors: Barall, Heinz

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

Title: METERING PUMP, Inventor: HEINZ BARALL ABSTRACT OF THE DISCLOSURE, A metering pump is disclosed and includes a unitary pumping assembly secured to a base so as to be removable from the base as a unit e.g. for cleaning. The pump is of the plunger type and includes at least one plunger mounted to reciprocate in a pump cylinder and a, rotary valve for controlling flow of liquid into and out of the cylinder under the effect of reciprocation of the plunger. A linear actuator and a rotary actuator are each permanently mounted on the base for actuating respectively the plunger and the rotary valve. The linear actuator can be coupled to the plunger by disengageable coupling means including …

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 June 18, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 18, 2002.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 4, 1982
GrantedJune 18, 1985
Term endedJune 18, 2002
Patent numberCA 1189035 A
Classification (IPC)B67D7/18 +2 more

Timeline

Timeline From CIPO dates

1983198519871989199119931995199719992001Application filedJune 4, 1982Patent grantedJune 18, 1985Term endedJune 18, 2002

Sources & verification

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