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 Benjamin Barker
William Macconnal
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 GB190510557ApublicationCriticalpatent/GB190510557A/en
10,557. Barker, W. B., and MacConnal, W. May 20. Check valves.-In an apparatus for compressing air or for pumping liquids, hinged inlet valves g are arranged within spring-pressed delivery valves f, which wholly cover the cylinder ends and are formed with hollow suction trunks extending through the cylinder covers.
GB190510557D1905-05-201905-05-20Improvements in or connected with Apparatus for Compressing Air, applicable also for Pumping Liquids.
ExpiredGB190510557A
(en)