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WEIR PUMPS LTD

Overview
  • Total Patents
    170
About

WEIR PUMPS LTD has a total of 170 patent applications. Its first patent ever was published in 1967. It filed its patents most often in United Kingdom, United States and Germany. Its main competitors in its focus markets engines, pumps and turbines, mechanical elements and chemical engineering are DANDONG COLOSSUS PIONEER PUMPS CO LTD, NEW FLUID TECHNOLOGY PTY LTD and JIANGSU YANBANG PUMP INDUSTRY MFG CO LTD.

Patent filings per year

Chart showing WEIR PUMPS LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ryall Michael Leslie 17
#2 Randell Forrest Thomson 14
#3 Fleming John 6
#4 Randell F 5
#5 Ryall M L 5
#6 Pezzani Guido 4
#7 Randell F T 4
#8 Ryall Michael L 4
#9 Grant Alexander Angus 4
#10 Taylor John Mcfarlane 4

Latest patents

Publication Filing date Title
GB0623042D0 Mechanical assembly
GB0621485D0 Mounting assembly
GB0610684D0 Efficiency maintenance apparatus for a mechanical assembly
GB0603478D0 Mechanical assembly
GB0603479D0 Mounting
GB0419984D0 Pump assembly
GB0415301D0 Pump casing
GB0412231D0 Mechanical assembly and deformable element therefor
GB0411040D0 Pump assembly
GB0401188D0 Pump casing
GB0117941D0 Pump assembly
GB0022411D0 Downhole gas/water separtion and re-injection
GB0013449D0 Downhole gas compression
GB9715523D0 Gas injection
GB9703854D0 Improvements in downhole pumps
GB9526369D0 Improved multistage pumps and compressors
US5562405A Multistage axial flow pumps and compressors
GB9421259D0 Improvements in and relating to pumps
GB9404653D0 Multiphase fluid pump
GB9217526D0 Damped detuning plate