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KELLER LTD

Overview
  • Total Patents
    31
About

KELLER LTD has a total of 31 patent applications. Its first patent ever was published in 1989. It filed its patents most often in United Kingdom, EPO (European Patent Office) and United States. Its main competitors in its focus markets civil engineering, audio-visual technology and optics are FOLEY JAMES, KIN IN HO and LEE IN KWI.

Patent filings per year

Chart showing KELLER LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Barley Anthony Donald 16
#2 Essler Robert David 3
#3 Egan Derek 2
#4 Blunden Stephen Noel 1
#5 Finney Huw Bevis 1
#6 Mcanally Charles J 1
#7 Essler Robert D 1
#8 King Roy Henry 1
#9 Knight Paul Anthony 1
#10 Barley A D 1

Latest patents

Publication Filing date Title
GB0212981D0 Improving the drainage of ground
GB0212979D0 Removing non aqueous liquids from the ground
GB0107623D0 Slope stabilisation using piling
IE20010268A1 A method of supporting foundations, embankments or the like and a support structure
GB0106942D0 Supporting foundations on contaminated land
GB0106616D0 Drilling below ground water level
GB9928711D0 Slope stabilising means
GB9817186D0 Ground anchorage
GB9323287D0 Improvements in driven cast insitu piling
GB9300497D0 Foamed concrete mixer
GB9214006D0 Removable ground anchor
GB9500052D0 Stabilization of soil contours
GB9122979D0 Ground anchorage
GB9113908D0 A panel for a subsurface barrier screen
EP0356215A2 Ground anchorage