Tube mat heat exchanger
CA 1111839 A · Owner: Bio-Energy Systems, Inc. · Inventors: Leonard, Ronald W.; Krulick, Steven E.; Zinn, Michael F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A heat exchanger adapted particularly though not exclusively for use in embedded radiant heating systems and including a plurality of tube mats (21) comprising a plurality of tubes (22) arranged parallel to one another and joined by webs (25) and associated manifolds (18, 19) to which the ends of the tubes are connected wherein each tube mat is paired in subsections by an intermediate section where the tubes are free of interconnecting webs. The tube ends are joined to the manifolds by the use of tube-stretching inserts (29).
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 November 3, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 3, 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.