Inventor
Eric Donzier
Inventor
Bercheres sur Vesgre, FR
Overview
Patents· 27 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling36%
G01NInvestigating or analysing materials by determining their chemical or physical properties22%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure9%
G01VGeophysics9%
G01FMeasuring volume, volume flow, mass flow or liquid level7%
B01LChemical or physical laboratory apparatus for general use2%
B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general2%
B81CProcesses or apparatus specially adapted for the manufacture or treatment of microstructural devices or systems2%
F16KValves2%
G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves2%
PatentTitleYear
11,131,570Mini-spinner flowmeter and downhole tool comprising an array of mini-spinner flowmeters for operation in hydrocarbon well202110,774,639Downhole local solid particles counting probe, production logging tool comprising the same and sand entry investigation method for hydrocarbon wells202010,761,238Downhole optical chemical compound monitoring device, bottom hole assembly and measurements-while-drilling tool comprising the same, and method of optically monitoring chemical compound downhole during drilling202010,527,751Downhole fluid properties optical analysis probe having a removable optical tip202010,472,951Downhole acoustic transducer, downhole probe and tool comprising such a transducer201910,323,512System and method for downhole inorganic scale monitoring and intervention in a production well201910,323,513System and method for downhole organic scale monitoring and intervention in a production well201910,294,771Production logging tool and downhole fluid analysis probes deploying method, in particular for deviated and horizontal hydrocarbon well20199,952,192Probe, sonde and method for producing signals indicative of local phase composition of a fluid20189,863,244'Downhole fluid properties analysis probe, tool and method'20189,777,555'Predictive flow assurance assessment method and system'20179,719,904'Density and viscosity sensor and measuring method'20179,651,710'Downhole fluid properties analysis device and tools comprising such a device'20179,371,937'Micro-valve and micro-fluidic device using such'20168,943,900'Method and apparatus for differential pressure measurement'20158,931,347'Fluid pressure sensor and measurement probe'20158,061,219'Flow restriction insert for differential pressure measurement'20117,958,772'Density and viscosity sensor'20117,874,199'Density and viscosity sensor'20117,673,679'Protective barriers for small devices'20107,434,457'Fluid property sensors'20087,152,466'Methods and apparatus for rapidly measuring pressure in earth formations'20066,966,228'Resonator-type microelectronic pressure sensor that withstands high pressures'20056,615,664'Method of measuring pressure by means of a pressure gauge having a resonant element'20035,956,132'Method and apparatus for optically discriminating between the phases of a three-phase fluid'19995,736,650'Venturi flow meter for measurement in a fluid flow passage'19985,509,312'Diaphragm pressure sensor including anti-stock protection means and gradiomanometer incorporating such a sensor'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–2016Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (12)· patent assignee history
2003Based in Girton, GB· patent location history
2005–2008Based in Brookfield, CT, US· patent location history
2010–2020Based in Bercheres sur Vesgre, FR· patent location history
2011–2019Patents assigned to DONZIER ERIC (5)· patent assignee history
2015–2021Patents assigned to OPENFIELD (10)· patent assignee history
2017–2018Based in Berchéres sur Vesgre, FR· patent location history
2018–2020Patents assigned to Openfield SA (3)· patent assignee history
2019Patents assigned to BAKER HUGHES A GE CO LLC (2)· patent assignee history
2019Based in Houston, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SCHLUMBERGER TECHNOLOGY CORP | 12 | 1996–2016 |
| OPENFIELD | 10 | 2015–2021 |
| DONZIER ERICself | 5 | 2011–2019 |
| Openfield SA | 3 | 2018–2020 |
| BAKER HUGHES A GE CO LLC | 2 | 2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Bercheres sur Vesgre, FR | 15 | 2010–2020 |
| Brookfield, CT, US | 3 | 2005–2008 |
| Houston, Texas, US | 2 | 2019 |
| Berchéres sur Vesgre, FR | 2 | 2017–2018 |
| Girton, GB | 1 | 2003 |