Patent · US Expired

Liquid cooled helmet

US4138743A · kind A · utility

44Cited by
3References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 13, 1976
Grant dateFeb 13, 1979
Priority date
Expiry dateDec 13, 1996

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61F2007/0056
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

Liquid cooled helmet comprising a cap of flexible material adapted to fit the head of a person, cooling panels mounted inside the cap forming passageways for carrying a liquid coolant, the panels being positioned to engage the cranium and neck of a person wearing the helmet, inlet and outlet lines communicating with the passageways, and releasable straps for securing the helmet about the neck of the wearer.

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