Thermal insulation blanket for a hot water heater
US4892771A · kind A · utility
Inventor
Key dates
| Filing date | Apr 1, 1988 |
| Grant date | Jan 9, 1990 |
| Priority date | — |
| Expiry date | Apr 1, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/3537
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
This invention is an insulation device and material comprising fiberglass covered or sandwiched between polyethylene or woven polyethylene. The invention as disclosed herein has superior insulative characteristics over and above the use of fiberglass alone or fiberglass covered by paper, foil or plastic materials commonly found in the prior art. The invention is particularly well suited to the insulation of liquid containing vessels and conveyance means, such as water heaters and pipes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.