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HYDRIL CO

Overview
  • Total Patents
    1,113
  • GoodIP Patent Rank
    44,388
  • Filing trend
    ⇧ 22.0%
About

HYDRIL CO has a total of 1,113 patent applications. It increased the IP activity by 22.0%. Its first patent ever was published in 1929. It filed its patents most often in United States, Canada and EPO (European Patent Office). Its main competitors in its focus markets civil engineering, mechanical elements and machines are GULFSTREAM SERVICES INC, EARTH TOOL CO LLC and HELMERICH & PAYNE.

Patent filings per year

Chart showing HYDRIL COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Roche Joseph R 70
#2 Mott James D 44
#3 Morrill Charles D 42
#4 Lewis George E 41
#5 Knox Granville S 38
#6 Reeves Doyle E 37
#7 Blose Thomas L 36
#8 Mallis David Llewellyn 36
#9 Murman Fernando 36
#10 Colvin Kenneth W 35

Latest patents

Publication Filing date Title
WO2021011443A1 Threaded connection for exploration and production of a hydrocarbon well
BR112020021931A2 tubular connection, method for forming a wedge connection and parts kit
US2018340378A1 Abutments for threaded connections
US2017314596A1 Threaded and coupled tubular goods connection
NL2018298B1 Threaded tubular connection
EP3128119A1 Threaded tubular connection
SG188536A1 Step-to-step wedge thread connections and related methods
US2011084477A1 Wedge threads with a solid lubricant coating
WO2008016736A2 Method for designing corrosion resistant alloy tubular strings
US2007176423A1 Wedge thread connections having a clearance gap volume
EP1907747A1 Mid-seal for expandable connections
US2007228730A1 Threaded connection with variable flank angles
CN101040141A Helical groove for a tubular connection
US8029025B1 Single taper wedge thread connection with mid-seal
US2006145477A1 Threads with perturbations
US2006087119A1 Expandable threaded connection
MXPA04003107A Non-rotating expandable connection with collapsing type seal.
US6904982B2 Subsea mud pump and control system
US7096960B2 Mounts for blowout preventer bonnets
US6622797B2 Apparatus and method to expand casing