Water heater
US11940181B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 5, 2020 |
| Grant date | Mar 26, 2024 |
| Priority date | — |
| Expiry date | Oct 5, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF24H9/06
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
The case of the water heater is composed of a box body having a rectangular shape in front view with a front face opened and a front cover having a shallower bottom and assembled on the front face of the box body. While rear side bent parts bent inward are each formed at front ends of left and right side plates of the box body, the front side bent parts bent inward are each formed at rear ends of left and right front side plates of the front cover and are abutted on the rear side bent parts in a state of being assembled to the box body. The inner bent parts folded backward are formed at inner end parts of the front side bent parts and are positioned on inner extension lines of the rear side bent parts in an assembled state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.