HYDRIL CO LP has a total of 55 patent applications. Its first patent ever was published in 2000. It filed its patents most often in WIPO (World Intellectual Property Organization), United States and China. Its main competitors in its focus markets civil engineering, machines and mechanical elements are FSSL LTD, GANDY TECHNOLOGIES CORP and ULTRA PREMIUM SERVICES L L C.
# | Country | Total Patents | |
---|---|---|---|
#1 | WIPO (World Intellectual Property Organization) | 18 | |
#2 | United States | 14 | |
#3 | China | 10 | |
#4 | Canada | 6 | |
#5 | Argentina | 4 | |
#6 | EAPO (Eurasian Patent Organization) | 2 | |
#7 | Australia | 1 |
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Machines | |
#3 | Mechanical elements | |
#4 | Computer technology | |
#5 | Materials and metallurgy |
# | Technology | |
---|---|---|
#1 | Earth drilling | |
#2 | Pipes | |
#3 | Unspecified technologies | |
#4 | Shaping of plastics | |
#5 | Certain plastics | |
#6 | Electric digital data processing | |
#7 | Metal tempering | |
#8 | Venting or aerating devices | |
#9 | Pistons and sealings |
# | Name | Total Patents |
---|---|---|
#1 | Reynolds Harris A Jr | 14 |
#2 | Sivley Robert S Iv | 9 |
#3 | Berckenhoff Michael Wayne | 7 |
#4 | Khandoker Shafiq | 5 |
#5 | Reynolds Jr Harris A | 5 |
#6 | Ward Gary W | 4 |
#7 | Judge Robert Arnold | 3 |
#8 | Carbaugh William L | 3 |
#9 | Gass Dustin Dean | 3 |
#10 | Mallis David Llewellyn | 3 |
Publication | Filing date | Title |
---|---|---|
CN101517193A | Method of designing blowout preventer seal using finite element analysis | |
US2008023917A1 | Seal for blowout preventer with selective debonding | |
US2007007483A1 | Double-stop floating ball valve | |
AU2005332690A1 | Rod lock for ram blowout preventers | |
CN101238269A | Rod lock for ram blowout preventer | |
US2005263291A1 | BOP conversion apparatus | |
US2006145476A1 | Pseudo two-step connection | |
US2006108803A1 | Electrical contractors embedded in threaded connections | |
US2006090899A1 | Ram BOP shear device | |
US6976711B2 | Threaded connection especially for radially plastically expandable conduit |