Patent Yard Sign in
Expired Canadian patentCanada

Diaphragm valve with electronic pressure detection

CA 2815550 C · Owner: I-Con Systems, Inc. · Inventors: Bush, Shawn D.

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

A flush valve for a waste water system comprises a valve including a fluid inlet a fluid outlet and a main valve element adapted for movement to allow fluid flow between the fluid inlet and the fluid outlet based on a pressure differential across a portion of the main valve element. The valve also includes a vent system comprising a control chamber in flow communication with the fluid inlet of the valve and a vent outlet in flow communication with the fluid outlet of the valve and a solenoid for venting fluid venting fluid from the control chamber to the fluid outlet. A pressure sensor such as an electronic pressure transducer senses the fluid pressure of fluid within the vent system. When …

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

  • Filed October 7, 2005 and granted December 29, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 7, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • 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, 2005
GrantedDecember 29, 2015
Term endedOctober 7, 2025
Patent numberCA 2815550 C
Classification (IPC)F16K31/40 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedOct 7, 2005Patent grantedDec 29, 2015Term endedOct 7, 2025

Sources & verification

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