Static mixer
CA 2113176 C · Owner: Berner, Gerhard · Inventors: Balling, Lothar; Berner, Gerhard; Herr, Wolfgang
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
2.1 The purpose of the invention is to distribute substances introduced into a flow duct as homogeneously as possible in the flow medium. It is herein intended to achieve complete intermixing over the shortest possible path distance. 2.2 To this end the invention envisages that, a large number of deflection elements (12 38, 56, 57, 78, 79) are used which are small in relation to the diameter of the flow duct (1, 30, 50, 74) that these, deflection elements are disposed in mutually parallel rows aligned transversely to the axis of symmetry (6 33, 52, 76) of the flow duct and that the deflection elements of each raw are inclined equidirectionally in a direction parallel to the row and in …
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 July 2, 1992 and granted October 7, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 2, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 2, 2014.
- 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.