HYDRIL LLC has a total of 44 patent applications. Its first patent ever was published in 2000. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Mexico. Its main competitors in its focus markets civil engineering, mechanical elements and materials and metallurgy are SHINDA TANGSHAN CREATIVE OIL & GAS EQUIPMENT CO LTD, ODONNELL & ASS and TENARIS CONNECTIONS BV.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 9 | |
#2 | WIPO (World Intellectual Property Organization) | 7 | |
#3 | Mexico | 6 | |
#4 | China | 5 | |
#5 | Canada | 4 | |
#6 | Argentina | 3 | |
#7 | Brazil | 3 | |
#8 | Republic of Korea | 2 | |
#9 | South Africa | 2 | |
#10 | EAPO (Eurasian Patent Organization) | 1 | |
#11 | EPO (European Patent Office) | 1 | |
#12 | Norway | 1 |
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Mechanical elements | |
#3 | Materials and metallurgy | |
#4 | Machines | |
#5 | Computer technology | |
#6 | Surface technology and coating |
# | Technology | |
---|---|---|
#1 | Earth drilling | |
#2 | Pipes | |
#3 | Metal tempering | |
#4 | Unspecified technologies | |
#5 | Electric digital data processing | |
#6 | Alloys | |
#7 | Layered products |
# | Name | Total Patents |
---|---|---|
#1 | Reynolds Jr Harris A | 9 |
#2 | Huff Philip A | 8 |
#3 | Reynolds Harris A Jr | 8 |
#4 | Berckenhoff Michael Wayne | 5 |
#5 | Sivley Iv Robert S | 5 |
#6 | Judge Robert Arnold | 5 |
#7 | Mallis David Llewellyn | 4 |
#8 | Pruden Keith | 3 |
#9 | Reynolds Harris A J | 3 |
#10 | Keith Pruden | 2 |
Publication | Filing date | Title |
---|---|---|
CA2616385A1 | Data communications embedded in threaded connections | |
WO2008077143A1 | Threaded connection with perturbed flanks | |
BRPI0717942A2 | Thermal treatment of built-in pressure vessels | |
US2008054633A1 | Scalloped wedge threads | |
US2006220382A1 | Wedge thread with high-angle metal seal | |
US2006201669A1 | Dope relief method for wedge thread connections | |
US2007236014A1 | Mismatched flanks for a wedge thread | |
KR20080037650A | Rod lock for ram blowout preventers | |
US2006273586A1 | Coupled connection with an externally supported pin nose seal | |
US2006255591A1 | Treating method and design method for tubular connections | |
US2006145480A1 | Floating wedge thread for tubular connection |