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CHERRINGTON MARTIN D

Overview
  • Total Patents
    20
  • GoodIP Patent Rank
    231,396
About

CHERRINGTON MARTIN D has a total of 20 patent applications. Its first patent ever was published in 1974. It filed its patents most often in United States, Canada and EPO (European Patent Office). Its main competitors in its focus markets civil engineering, computer technology and mechanical elements are CHERRINGTON CORP, IMPACT SELECTOR INT LLC and DALE BRUCE A.

Patent filings in countries

World map showing CHERRINGTON MARTIN Ds patent filings in countries

Patent filings per year

Chart showing CHERRINGTON MARTIN Ds patent filings per year from 1900 to 2020

Focus technologies

Top inventors

# Name Total Patents
#1 Cherrington Martin D 20
#2 Cherrington William D 11

Latest patents

Publication Filing date Title
US2015176723A1 Method and portable apparatus for thrusting a pipe into and out of an earthen formation
US5456552A Method and apparatus for installing pipe in horizontal borehole
US4899835A Jet bit with onboard deviation means
US4784230A Apparatus and method for installing a conduit within an arcuate bore
US4785885A Method and apparatus for cementing a production conduit within an underground arcuate bore
EP0209217A2 Apparatus and method for forming an enlarged underground arcuate bore and installing a conduit therein
US4679637A Apparatus and method for forming an enlarged underground arcuate bore and installing a conduit therein
US4618008A Vertical drilling method and apparatus
US4221503A Drilling method and apparatus for large diameter pipe
US4078617A Portable drill rig for boring underground inverted arcuate paths
US4135586A Apparatus for constantly rotating casing during installation
US3894402A Apparatus and method for emplacing a conduit along an underground arcuate path