Inventor
Marco Brignoli
Inventor
Brugherio, IT
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere50%
E21BEarth or rock drilling25%
G01NInvestigating or analysing materials by determining their chemical or physical properties25%
PatentTitleYear
6,632,777'Drilling fluids comprising oil emulsions in water'20036,500,785'Water-based drilling fluid containing anions with a high hydrodynamic radius'20026,164,389'Core sampling method and core sampler therefor'20005,844,136'Device for measuring the permeability of rock fragments'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998Patents assigned to AGIP SPA (1)· patent assignee history
1998–2003Based in Brugherio, IT· patent location history
2000Patents assigned to DRESSER IND (1)· patent assignee history
2002–2003Patents assigned to ENI SPA (2)· patent assignee history
2002–2003Patents assigned to ENITECNOLOGIE SPA (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ENI SPA | 2 | 2002–2003 |
| ENITECNOLOGIE SPA | 2 | 2002–2003 |
| AGIP SPA | 1 | 1998 |
| DRESSER IND | 1 | 2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Brugherio, IT | 4 | 1998–2003 |