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
Ernest Henry Jones
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 GB190120413ApublicationCriticalpatent/GB190120413A/en
20,413. Jones, E. H. Oct. 12. Screw pumps.- Consists of an improved screw pump for conveying, raising, or elevating liquids or semi-liquids. The worm A working in a barrel F has its thread or threads engaged by teeth B forming part of an endless chain and projecting into the barrel. The liquid is thus trapped in the convolutions of the worm, and positively forced forwards.
GB190120413D1901-10-121901-10-12An Improved Method for Conveying, Raising or Elevating, Liquids or Semi-liquids.
ExpiredGB190120413A
(en)