Inventor
Mark P. Blackman
Inventor
Conroe, TX, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling100%
PatentTitleYear
10,871,036Hybrid drill bit and design method202010,316,589Hybrid drill bit and design method20199,670,736'Hybrid drill bit'20178,978,786'System and method for adjusting roller cone profile on hybrid bit'20158,678,111'Hybrid drill bit and design method'20148,579,050'Reamer with balanced cutting structure for use in a wellbore'20138,459,378'Hybrid drill bit'2013Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2013–2019Patents assigned to BAKER HUGHES INC (6)· patent assignee history
2013–2015Patents assigned to BLACKMAN MARK P (3)· patent assignee history
2013–2015Patents assigned to DAMSCHEN MICHAEL S (3)· patent assignee history
2013–2015Patents assigned to NGUYEN DON Q (3)· patent assignee history
2013–2015Patents assigned to ZAHRADNIK ANTON F (3)· patent assignee history
2013–2017Based in Conroe, TX, US· patent location history
2014–2020Based in Spring, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAKER HUGHES INC | 6 | 2013–2019 |
| BLACKMAN MARK Pself | 3 | 2013–2015 |
| DAMSCHEN MICHAEL S | 3 | 2013–2015 |
| NGUYEN DON Q | 3 | 2013–2015 |
| ZAHRADNIK ANTON F | 3 | 2013–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Conroe, Texas, US | 4 | 2013–2017 |
| Spring, Texas, US | 3 | 2014–2020 |