Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Inventor
William Deller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by IndividualfiledCriticalIndividual
Application grantedgrantedCritical
Publication of GB190815338ApublicationCriticalpatent/GB190815338A/en
15,338. Deller, W. July 20. Drawings to Specification. Non-conducting coverings.-A vacuum chamber surrounds a steam-boiler or steam-pipe to intercept the radiation and heat therefrom. A valve and vacuum gauge are provided to regulate and indicate the state of the vacuum.
GB190815338D1908-07-201908-07-20Improvements in Apparatus for Preventing the Radiation of Heat from Stem Boilers and Steam Pipes.
ExpiredGB190815338A
(en)