SUNSTONE CORP has a total of 39 patent applications. Its first patent ever was published in 2001. It filed its patents most often in United States, Argentina and EPO (European Patent Office). Its main competitors in its focus markets civil engineering, materials and metallurgy and machines are AKER KVAERNER MH AS, INTEDYNE L L C and RED BARON.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 11 | |
#2 | Argentina | 4 | |
#3 | EPO (European Patent Office) | 4 | |
#4 | Norway | 4 | |
#5 | Australia | 3 | |
#6 | New Zealand | 3 | |
#7 | Canada | 2 | |
#8 | Egypt | 2 | |
#9 | Mexico | 2 | |
#10 | Malaysia | 2 | |
#11 | China | 1 | |
#12 | WIPO (World Intellectual Property Organization) | 1 |
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Materials and metallurgy | |
#3 | Machines | |
#4 | Environmental technology | |
#5 | Mechanical elements |
# | Technology | |
---|---|---|
#1 | Earth drilling | |
#2 | Non-metallic elements | |
#3 | Unspecified technologies | |
#4 | Pipes | |
#5 | Solid waste disposal |
# | Name | Total Patents |
---|---|---|
#1 | Hughes William James | 23 |
#2 | Richardson Murl Ray | 7 |
#3 | Renfro Jimmie Josh | 6 |
#4 | Hughes W James | 5 |
#5 | Hughes William J | 4 |
#6 | Richardson Murl R | 2 |
#7 | Dunbar Mark | 2 |
#8 | Dunbar Mark Edward | 2 |
#9 | Vandervort Kurt D | 1 |
#10 | Ray Richardson Murl | 1 |
Publication | Filing date | Title |
---|---|---|
US2008035353A1 | Flapper valve and actuator | |
US2006074269A1 | Underground treatment of biowaste | |
US2006037744A1 | Rotating pressure control head | |
US7468173B2 | Method for producing nitrogen to use in under balanced drilling, secondary recovery production operations and pipeline maintenance | |
US7226090B2 | Rod and tubing joint of multiple orientations containing electrical wiring | |
US6899188B2 | Down hole drilling assembly with concentric casing actuated jet pump | |
EP1300544A1 | Concentric casing jack | |
US6769498B2 | Method and apparatus for inducing under balanced drilling conditions using an injection tool attached to a concentric string of casing | |
US6666274B2 | Tubing containing electrical wiring insert | |
US6877571B2 | Down hole drilling assembly with independent jet pump |