Inventor
RAFAEL ADOLFO LASTRA MELO
Inventor
SA
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling27%
F04DNon-positive-displacement pumps19%
F04BPositive-displacement machines for liquids15%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids8%
F05CIndexing scheme relating to materials, material properties or material characteristics for machines, engines or pumps other than non-positive-displacement machines or engines8%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants8%
H02KDynamo-electric machines8%
B03CMagnetic or electrostatic separation of solid materials from solid materials or fluids4%
F16DCouplings for transmitting rotation4%
PatentTitleYear
12,258,954Continuous magnetic positive displacement pump202511,898,418Prevention of ferromagnetic solids deposition on electrical submersible pumps (ESPs) by magnetic means202411,788,391Motorized pump202311,767,741Motorized pump202311,585,163Connecting tubulars in a wellbore202311,434,905Equal-walled gerotor pump for wellbore applications202211,268,519Centrifugal pump with adaptive pump stages202211,268,520Centrifugal pump with adaptive pump stages202211,162,493Equal-walled gerotor pump for wellbore applications2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2025Patents assigned to SAUDI ARABIAN OIL CO (9)· patent assignee history
2021–2025Based in SA· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SAUDI ARABIAN OIL CO | 9 | 2021–2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| SA | 9 | 2021–2025 |