Inventor
Stuart Arthur Lyall McCurdy
Inventor
Edmonton, CA
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling83%
B66CCranes17%
PatentTitleYear
9,441,423'Drilling rig masts and methods of assembly and erection'20168,549,815'Drilling rig masts and methods of assembly and erecting masts'20138,468,753'Drilling rigs and erection methods'20138,250,816'Drilling rig structure installation and methods'20128,047,303'Drilling rig drawworks installation'2011Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2011–2016Patents assigned to NAT OILWELL VARCO LP (5)· patent assignee history
2011–2016Based in Edmonton, CA· patent location history
2012–2016Patents assigned to DONNALLY ROBERT BENJAMIN (4)· patent assignee history
2012–2016Patents assigned to MCCURDY STUART ARTHUR LYALL (4)· patent assignee history
2012–2016Patents assigned to REN CHUNQIAO (4)· patent assignee history
2012–2016Patents assigned to SHENG HUI CHUN (4)· patent assignee history
2012Based in Alberta, CA· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NAT OILWELL VARCO LP | 5 | 2011–2016 |
| DONNALLY ROBERT BENJAMIN | 4 | 2012–2016 |
| MCCURDY STUART ARTHUR LYALLself | 4 | 2012–2016 |
| REN CHUNQIAO | 4 | 2012–2016 |
| SHENG HUI CHUN | 4 | 2012–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Edmonton, CA | 4 | 2011–2016 |
| Alberta, CA | 1 | 2012 |