Patent · US Expired

Thermal insulation blanket for a hot water heater

US4892771A · kind A · utility

9Cited by
8References
3Claims
0Family size

Inventor

Key dates

Filing dateApr 1, 1988
Grant dateJan 9, 1990
Priority date
Expiry dateApr 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.