Learn more

NORTH WEST WATER GROUP PLC

Overview
  • Total Patents
    87
About

NORTH WEST WATER GROUP PLC has a total of 87 patent applications. Its first patent ever was published in 1986. It filed its patents most often in United Kingdom, WIPO (World Intellectual Property Organization) and Australia. Its main competitors in its focus markets chemical engineering, machines and mechanical elements are FILTER TECHNOLOGY AUSTRALIA PTY LTD, DOMNICK HUNTER FILTERS LTD and PUROLATOR FILTERS NA LLC.

Patent filings per year

Chart showing NORTH WEST WATER GROUP PLCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Colquhoun Howard Matthew 24
#2 Lewis Andrew Lennard 10
#3 Simpson Alan Frederick 7
#4 Rogers Victor 6
#5 Williams Peter John 6
#6 Lewis David Frank 5
#7 Ashdown Charles John 4
#8 Davidson Alexander Philip 4
#9 Le Minh Son 4
#10 Johnson Mark 4

Latest patents

Publication Filing date Title
AU4120996A Quantitative detection of chemical species
GB9511842D0 Filter
GB9504364D0 Liquid filter
GB9502683D0 Quantative detection of chemical species
GB9425910D0 Under-pressure pipeline component replacement
GB9424922D0 Quantitive detection of chemical species
GB9424700D0 Apparatus for preventing filter media loss from a filter
US5605628A Composite membranes
GB9423618D0 Optical instrument
GB9422919D0 Apparatus and method for removing piping from the ground
GB9420868D0 Disintection of water outlets
GB9415601D0 Membrane
GB9414689D0 Sampling water pipe debris
GB9414106D0 Disinfection of water outlets
GB9412538D0 Reverse pipe bending
US5698105A Polymer porous structure and process
GB9325792D0 Hole cutting apparatus
GB9325344D0 Production of membranes
GB9325346D0 Production of membranes
GB9325049D0 Quantitative detection of chemical species