US 12,140,264 B2
Pipes for carrying water
Michael Adams, Solihull (GB); Ahmed Mohamed, Birmingham (GB); Paul Gregory, Coventry (GB); and Darren Bradley, Henley in Arden (GB)
Assigned to Wet Holdings (Global)Limited, Reading (GB)
Appl. No. 17/600,821
Filed by Wet Holdings (Global) Limited, Reading (GB)
PCT Filed Apr. 2, 2020, PCT No. PCT/GB2020/000037
§ 371(c)(1), (2) Date Oct. 1, 2021,
PCT Pub. No. WO2020/201667, PCT Pub. Date Oct. 8, 2020.
Claims priority of application No. 1904674 (GB), filed on Apr. 3, 2019.
Prior Publication US 2022/0178474 A1, Jun. 9, 2022
Int. Cl. F16L 9/00 (2006.01); B29D 23/00 (2006.01); B33Y 80/00 (2015.01); F16L 9/133 (2006.01); B29K 27/06 (2006.01)
CPC F16L 9/006 (2013.01) [B29D 23/001 (2013.01); B33Y 80/00 (2014.12); F16L 9/133 (2013.01); B29K 2027/06 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A water delivery pipe made from PVC or PVCO and having an inner surface which is rifled, wherein the inner surface comprises a graphene material.