Patent · US Expired

Polyurethane deicer

US5743494A · kind A · utility

19Cited by
20References
39Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 9, 1996
Grant dateApr 28, 1998
Priority date
Expiry dateAug 9, 2016

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB64D15/00
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

An improved ice protection apparatus 8 includes a top polyurethane layer 10, an active layer 12, and a base layer 14 cured together into a unitary matrix, wherein the base layer is either polyurethane or chloroprene. The active layer may be either a thermal ice protector, a pneumatic ice protector, or an electro magnetic protection apparatus.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.