US 11,867,105 B2
Exhaust gas joule heater
Carlos Fonte, Royston (GB); Gregory Gregori, Royston (GB); Nigel Jones, Royston (GB); Chris Morgan, Royston (GB); Daniel Oakes, Royston (GB); and Timothy O'Connell, Royson (GB)
Filed by JOHNSON MATTHEY PUBLIC LIMITED COMPANY, London (GB)
Filed on Jan. 19, 2023, as Appl. No. 18/156,525.
Application 18/156,525 is a continuation of application No. 17/249,875, filed on Mar. 17, 2021, abandoned.
Claims priority of provisional application 63/002,396, filed on Mar. 31, 2020.
Prior Publication US 2023/0332524 A1, Oct. 19, 2023
Int. Cl. F01N 3/28 (2006.01); F01N 3/027 (2006.01); F01N 3/022 (2006.01); F01N 3/10 (2006.01); F01N 3/20 (2006.01)
CPC F01N 3/027 (2013.01) [F01N 3/0222 (2013.01); F01N 3/101 (2013.01); F01N 3/103 (2013.01); F01N 3/2066 (2013.01); F01N 2240/16 (2013.01)] 12 Claims
OG exemplary drawing
 
1. An apparatus for the catalytic treatment of gas comprising:
i. a casing having a gas inlet and a gas outlet; and
ii. a ceramic honeycomb monolith having an inlet end, and outlet end, and a plurality of channels through which gas can flow, and a metallic track coating within a trench manufactured by stereolithography or three-dimensional screen printing, wherein the metallic coating contains at least one platinum group metal (PGM), and wherein the metallic coating is hosted on the ceramic honeycomb monolith disposed within the casing.