Pipes for carrying water
US12140264B2 · kind B2 · utility
0Cited by
14References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 2, 2020 |
| Grant date | Nov 12, 2024 |
| Priority date | — |
| Expiry date | Feb 16, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L2201/40
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A water delivery pipe made from PVC or PVCO and having an inner surface which is rifled. The inner surface of the pipe preferably includes a graphene material. The pipe has improved anti-bacterial properties such that the formation of bacterial biofilms is eliminated or reduced.Methods of making the pipe are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.