Inventor
Francois G. Sedillot
Inventor
Velizy Villacoublay, FR
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B63Bprimary
B63BShips or other waterborne vessels43%
E02BHydraulic engineering43%
E21BEarth or rock drilling7%
Y10TTechnical subjects covered by former us classification7%
PatentTitleYear
6,139,224'Semi-submersible platform for offshore oil field operation and method of installing a platform of this kind'20004,968,180'Oscillating marine platform connected via a shear device to a rigid base'19904,797,034'Oscillating marine platform with a rigid base'19894,684,292'Oscillating platform on flexible piles for work at sea'19874,618,286'Composite platform for petroleum workings in polar seas'19864,470,723'Oscillatable marine installation and method for its construction'19844,453,859'Device for connecting and disconnecting the swivel of an oscillating marine platform and a method for putting the said device into use'19844,352,598'Concrete structure for the transmission of loads from the steel lattice of a marine platform and a method of forming said structure'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–1984Patents assigned to DORIS DEV RICHESSE SOUS MARINE (3)· patent assignee history
1982–2000Based in Velizy Villacoublay, FR· patent location history
1986Patents assigned to FLUOR DORIS INC (1)· patent assignee history
1987–2000Patents assigned to DORIS ENGINEERING (4)· patent assignee history
1990Based in Paris, FR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DORIS ENGINEERING | 4 | 1987–2000 |
| DORIS DEV RICHESSE SOUS MARINE | 3 | 1982–1984 |
| FLUOR DORIS INC | 1 | 1986 |
Locations
| Location | Patents | Span |
|---|---|---|
| Velizy Villacoublay, FR | 7 | 1982–2000 |
| Paris, FR | 1 | 1990 |