Inventor
Leonardo de Oliveira Nunes
Inventor
Rio de Janeiro, BR
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%
G01VGeophysics17%
G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves13%
G01DMeasuring not specially adapted for a specific variable10%
G01NInvestigating or analysing materials by determining their chemical or physical properties10%
F04BPositive-displacement machines for liquids3%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure3%
G01MTesting static or dynamic balance of machines or structures3%
G06FElectric digital data processing3%
G06KGraphical data reading3%
PatentTitleYear
10,794,177Mud pump stroke detection using distributed acoustic sensing202010,679,064Optimized classifier update202010,591,639Methods and systems employing a flow prediction model based on acoustic activity and proppant compensation202010,267,141Distributed sensing systems and methods with efficient energy spectrum analysis201910,139,268Systems and methods for multiple-code continuous-wave distributed acoustic sensing201810,018,036Distributed sensing systems and methods with I/Q data balancing based on ellipse fitting20189,976,920Detection of strain in fiber optics cables induced by narrow-band signals20189,733,120'Systems and methods for spread spectrum distributed acoustic sensor monitoring'20179,719,846'Mud pulse detection using distributed acoustic sensing'2017Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2017–2020Patents assigned to HALLIBURTON ENERGY SERVICES INC (8)· patent assignee history
2017–2020Based in Rio de Janeiro, BR· patent location history
2018Based in Rio Grande do Sul, BR· patent location history
2019–2020Based in Houston, TX, US· patent location history
2020Patents assigned to MICROSOFT TECHNOLOGY LICENSING LLC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HALLIBURTON ENERGY SERVICES INC | 8 | 2017–2020 |
| MICROSOFT TECHNOLOGY LICENSING LLC | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Rio de Janeiro, BR | 6 | 2017–2020 |
| Houston, Texas, US | 2 | 2019–2020 |
| Rio Grande do Sul, BR | 1 | 2018 |