Inventor
Randall S. Shafer
Inventor
Houston, TX, US
Overview
Patents· 23 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling38%
E02BHydraulic engineering22%
B63BShips or other waterborne vessels18%
C09KMaterials for miscellaneous applications, not provided for elsewhere6%
E02DFoundations4%
A01HNew plants or non-transgenic processes for obtaining them2%
B65BMachines, apparatus or devices for, or methods of, packaging articles or materials2%
H03HImpedance networks, e.g. resonant circuits2%
H10BElectronic memory devices2%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h102%
PatentTitleYear
10,871,050Nano-thermite well plug202010,760,374Tool for metal plugging or sealing of casing202010,760,375P and A setting with exothermic material202010,738,567Through tubing P and A with two-material plugs202010,648,279Helical coil annular access plug and abandonment202010,584,554Two-material PandA plug202010,316,612Two-material P and A plug201910,260,288Pre-positioned capping device on high pressure wells20199,347,270'Pre-positioned capping device and diverter'20169,255,446'Pre-positioned capping device for source control with independent management system'20169,121,155'Ice resistant jackup leg'20158,967,273'System for detecting, containing and removing hydrocarbon leaks in a subsea environment'20158,967,914'Riser protection structures'20158,956,081'Ice worthy jack-up drilling unit with gas agitated ice prevention'20158,911,179'Dual-derrick ice-worthy jack-up drilling unit'20148,899,880'Structure-assisted jackup system'20148,899,879'Structure-supported jackup system'20148,870,497'Ice worthy jack-up drilling unit with conical piled monopod'20148,851,799'Ice worthy jack-up drilling unit with pre-loading tension system'20148,851,176'Subsea hydrocarbon recovery'20148,821,071'Conical piled monopod'20148,807,875'Ice worthy jack-up drilling unit with conical piled monopod and sockets'20148,801,333'Ice worthy jack-up drilling unit with gas agitation and leg ice shields'2014Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2014–2020Patents assigned to CONOCOPHILLIPS CO (21)· patent assignee history
2014–2015Patents assigned to NOBLE PETER G (8)· patent assignee history
2014–2015Patents assigned to SHAFER RANDALL S (8)· patent assignee history
2014–2015Patents assigned to BERTA DOMINIQUE P (7)· patent assignee history
2014–2015Patents assigned to KEPPEL OFFSHORE & MARINE TECHNOLOGY CT PTE LTD (4)· patent assignee history
2014–2020Based in Houston, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CONOCOPHILLIPS CO | 21 | 2014–2020 |
| NOBLE PETER G | 8 | 2014–2015 |
| SHAFER RANDALL Sself | 8 | 2014–2015 |
| BERTA DOMINIQUE P | 7 | 2014–2015 |
| KEPPEL OFFSHORE & MARINE TECHNOLOGY CT PTE LTD | 4 | 2014–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Houston, Texas, US | 23 | 2014–2020 |