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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 381 | |
#2 | Canada | 122 | |
#3 | EPO (European Patent Office) | 79 | |
#4 | United Kingdom | 78 | |
#5 | WIPO (World Intellectual Property Organization) | 70 | |
#6 | Brazil | 50 | |
#7 | France | 45 | |
#8 | Norway | 45 | |
#9 | Germany | 42 | |
#10 | Mexico | 42 | |
#11 | Australia | 30 | |
#12 | Japan | 22 | |
#13 | Italy | 17 | |
#14 | Argentina | 16 | |
#15 | Netherlands | 13 | |
#16 | China | 11 | |
#17 | Singapore | 11 | |
#18 | Belgium | 9 | |
#19 | Denmark | 8 | |
#20 | Indonesia | 4 | |
#21 | Switzerland | 3 | |
#22 | Colombia | 2 | |
#23 | EAPO (Eurasian Patent Organization) | 2 | |
#24 | Ecuador | 2 | |
#25 | Spain | 2 | |
#26 | Ireland | 2 | |
#27 | South Africa | 2 | |
#28 | Cuba | 1 | |
#29 | Malaysia | 1 | |
#30 | USSR (Union of Socialist Soviet Republics) | 1 |
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Mechanical elements | |
#3 | Machines | |
#4 | Measurement | |
#5 | Engines, pumps and turbines |
# | Technology | |
---|---|---|
#1 | Earth drilling | |
#2 | Pipes | |
#3 | Unspecified technologies | |
#4 | Venting or aerating devices | |
#5 | Measuring length, angles and areas | |
#6 | Unspecified technologies | |
#7 | Nails | |
#8 | Servomotors | |
#9 | Pumps | |
#10 | Pistons and sealings |
# | 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 |
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 |