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LAYNE CHRISTENSEN COMPANY

Overview
  • Total Patents
    27
  • GoodIP Patent Rank
    173,041
  • Filing trend
    ⇩ 100.0%
About

LAYNE CHRISTENSEN COMPANY has a total of 27 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1997. It filed its patents most often in United States, Canada and Australia. Its main competitors in its focus markets civil engineering, chemical engineering and environmental technology are SHAANXI CHANGXIN PETROLEUM SCIENCE AND TECH CO LTD, SHAANXI AEROSPACE DELIN SCIENCE AND TECH GROUP CO LTD and UNIV CHIN PETROLEUM BEIJING.

Patent filings in countries

World map showing LAYNE CHRISTENSEN COMPANYs patent filings in countries

Patent filings per year

Chart showing LAYNE CHRISTENSEN COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Smith Brian 6
#2 Mander Paul 5
#3 Maggert James 5
#4 Vitali Gianmaria 5
#5 Sopko Joseph A 4
#6 Campanini Stephano 4
#7 Sylvester Paul 4
#8 Thomas James H 2
#9 King George R 2
#10 Briley George 2

Latest patents

Publication Filing date Title
US2017297038A1 Fluid separator device
US2014209382A1 Automated rod manipulator
CA2766551A1 In-pipe eversion device and method of use
CA2729049A1 Method and apparatus for installing flexible linings in underground pipes
US7588744B1 Method of recovering phosphate for reuse as a fertilizer
CA2556276A1 Ground freezing method and apparatus with geothermal gradient compensation
US2007267190A1 Ground freezing installation accommodating thermal contraction of metal feed pipes
US7407587B1 Method and sorbent for selective removal of contaminants from fluids
US2007023358A1 Process for selective removal and immobilization of contaminants from spent sorbents
US2007080115A1 Filter and sorbent for removal of contaminants from a fluid
US2004168460A1 Method and apparatus for artificial ground freezing
US2002153135A1 Method and apparatus for stimulating well production
US6247484B1 Eave construction for large canopies
US6120214A Process for constructing reinforced subterranean columns
USRE37498E Automotive hail protection and shade canopy
US6142232A Method and apparatus for cleaning wells
US5988284A Method and apparatus for enhancing well performance