US 12,350,751 B2
Welded, laminated apparatus, methods of making, and methods of using the apparatus
Thomas Yuschak, Lewis Center, OH (US); and Anna Lee Tonkovich, Dublin, OH (US)
Assigned to Velocys, Inc., Plain City, OH (US)
Filed by Velocys, Inc., Plain City, OH (US)
Filed on Mar. 22, 2022, as Appl. No. 17/701,503.
Application 17/701,503 is a division of application No. 16/149,122, filed on Nov. 28, 2018, abandoned.
Application 16/149,122 is a division of application No. 13/039,303, filed on Mar. 2, 2011, granted, now 10,232,455, issued on Mar. 19, 2019.
Claims priority of provisional application 61/309,851, filed on Mar. 2, 2010.
Prior Publication US 2022/0212279 A1, Jul. 7, 2022
Int. Cl. B23K 1/00 (2006.01); B01J 19/00 (2006.01); B23K 9/00 (2006.01); B23K 9/04 (2006.01); B23K 101/14 (2006.01)
CPC B23K 1/0012 (2013.01) [B01J 19/0093 (2013.01); B23K 9/0052 (2013.01); B23K 9/04 (2013.01); B01J 2219/00783 (2013.01); B01J 2219/00822 (2013.01); B01J 2219/00835 (2013.01); B23K 2101/14 (2018.08); Y10T 29/49718 (2015.01); Y10T 137/0318 (2015.04); Y10T 137/85938 (2015.04); Y10T 428/12903 (2015.01)] 4 Claims
OG exemplary drawing
 
1. A method of conducting a unit operation in a laminated apparatus comprising:
the laminated apparatus comprising:
a core block comprising sheets of metal bonded together, at least in part, by a braze composition disposed between the sheets;
a welding composition disposed on the core block and adhering to the braze composition;
wherein the welding composition has a composition that differs from the composition of the braze composition; and
wherein the welding composition is diffused 2 mm or less into the core block;
passing a fluid into a channel in the core block and conducting a unit operation on the fluid in the core block.