Inventor
Okky Ahmad Purwana
Inventor
Singapore, SG
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E02Bprimary
E02BHydraulic engineering50%
E02DFoundations38%
B63BShips or other waterborne vessels13%
PatentTitleYear
9,371,625'Modified spudcan with optimal peripheral skirt for enhanced performance of jackup operations'20168,668,408'Skirted foundation for penetrating soft material'20148,146,418'Apparatus and method for soil testing for jack-up rigs'20128,025,463'Offshore foundation system with integral elements for preloading and extracting'20118,011,857'Extraction system for removable marine footing'2011Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2011–2014Patents assigned to KEPPEL OFFSHORE & MARINE TECHNOLOGY CT PTE LTD (2)· patent assignee history
2011–2016Patents assigned to OFFSHORE TECHNOLOGY DEV PTE LTD (2)· patent assignee history
2011–2016Based in Singapore, SG· patent location history
2012–2014Patents assigned to FOO KOK SENG (2)· patent assignee history
2012–2014Patents assigned to PURWANA OKKY AHMAD (2)· patent assignee history
2012–2014Patents assigned to QUAH CHIN KAU (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FOO KOK SENG | 2 | 2012–2014 |
| KEPPEL OFFSHORE & MARINE TECHNOLOGY CT PTE LTD | 2 | 2011–2014 |
| OFFSHORE TECHNOLOGY DEV PTE LTD | 2 | 2011–2016 |
| PURWANA OKKY AHMADself | 2 | 2012–2014 |
| QUAH CHIN KAU | 2 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Singapore, SG | 5 | 2011–2016 |