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EARTH TOOL CO LLC

Overview
  • Total Patents
    129
  • GoodIP Patent Rank
    63,306
  • Filing trend
    ⇧ 250.0%
About

EARTH TOOL CO LLC has a total of 129 patent applications. It increased the IP activity by 250.0%. Its first patent ever was published in 1995. It filed its patents most often in United States, Canada and Australia. Its main competitors in its focus markets civil engineering, mechanical elements and machines are KOCH ELMAR, VENTURA TOOL COMPANY and KONGSBERG OFFSHORE AS.

Patent filings per year

Chart showing EARTH TOOL CO LLCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wentworth Steven W 103
#2 Crane Robert F 81
#3 Randa Mark D 42
#4 Hau Paul W 9
#5 Runquist Randy R 7
#6 Thompson Walter George 5
#7 Van Houwelingen Mark K 5
#8 Aus Kelvin C 4
#9 Crane Robert 3
#10 Scharrer Jon 2

Latest patents

Publication Filing date Title
US2020056725A1 System And Method For Extracting A Buried Pipe
US2019136629A1 Reversible pneumatic pipe ramming tool
US2019078720A1 Lead pipe spudding prior to extraction or remediation
US2019049040A1 Extraction of ductile pipe
US2019049042A1 Split ring ram adapter with cam adjustment
US2019063662A1 Latch assembly for use with an inversion drum
CA3053961A1 Assembly for relining a junction between a branch pipeline and a main pipeline, and for relining a part of or the whole branch pipeline
US2018155985A1 Steerable Downhole Hammer Bit
US2017045175A1 Method And Apparatus For Replacing Culverts
US2016340981A1 Eccentric cones for rock cutting
US2016319979A1 Gut Hook Bladed Pipe Slitter
US2016161023A1 Powered Slip Actuation
CA2900182A1 Method and apparatus for culvert crushing
US2015198279A1 Pipe slitting apparatus
US2015252632A1 Slip Style Rod Spinner For Pipe Bursting Machine
US2015098765A1 Pipe slitter
US2015014060A1 Tricone Bit Construction
US2014294512A1 Powered Slip Actuation
US2014270970A1 Stepped load pull back using rams
US2014255103A1 Directional drill hammer pullback device