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COLUMBIA STEEL CASTING

Overview
  • Total Patents
    42
  • GoodIP Patent Rank
    190,363
  • Filing trend
    ⇩ 50.0%
About

COLUMBIA STEEL CASTING has a total of 42 patent applications. It decreased the IP activity by 50.0%. Its first patent ever was published in 1968. It filed its patents most often in United States, Canada and Australia. Its main competitors in its focus markets mechanical elements, civil engineering and machines are SAUERMAN BROS INC, ROHLAND PAUL GERHARD and BAKER CABLE LTD.

Patent filings in countries

World map showing COLUMBIA STEEL CASTINGs patent filings in countries
# Country Total Patents
#1 United States 22
#2 Canada 11
#3 Australia 5
#4 South Africa 4

Patent filings per year

Chart showing COLUMBIA STEEL CASTINGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Johnson Bruce C 13
#2 Moehnke Michael D 13
#3 Ianello Garrick J 12
#4 Dreixler Charles 9
#5 Doan Stephen P 9
#6 Conroy David Garnet John 6
#7 Mcbain Robert T 4
#8 Matlock Brian C 4
#9 Fritz Jesse 4
#10 Miotke Anthony 3

Latest patents

Publication Filing date Title
US2019219136A1 Link with swivel ball bushing rotatable in opposing directions
US9816585B1 Repair link for twist link and other chain types
US9482315B1 Stud end link
US2014259541A1 Readily releasable wedge assembly for holding a wire rope in a socket
US2013133175A1 Pin retainer for dragline pins
US2011110708A1 Interchangeable hoist and drag link
US2006137322A1 Coupling link
US2003213226A1 Chain link with angularly disposed end portions
CA2277254A1 Dog bone chain link
US6170248B1 Dog bone chain link
US5956936A Elongated chain link
US5966849A Lock system for excavating tooth point and adapter and for rigging
US5956874A Tooth assembly and lock system
US5937551A Lock system for excavating tooth point and adapter
US5988929A Easy-out cable socket wedge and method for use thereof
US4253706A Magnetic breaker bar
CA1068489A Drag chain
US4134255A Drag chain
US4060978A Drag chain
US4139237A Breaker bar