Inventor
Ben Calvin Holgate
Inventor
Houston, TX, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F16Kprimary
F16KValves56%
E21BEarth or rock drilling33%
Y10TTechnical subjects covered by former us classification11%
PatentTitleYear
9,909,386'Selector valve for high pressure hydrocarbon production operations'20189,790,765'Non-parallel multi-bore sealing device'20179,261,196'Valve body filtration system'20169,249,888'Non-welded hardface gate and seats'20169,194,509'Power boost assist closed device for actuators'2015Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2015–2018Patents assigned to GE OIL & GAS PRESSURE CONTROL LP (5)· patent assignee history
2015–2017Based in Houston, TX, US· patent location history
2018Based in Pearland, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GE OIL & GAS PRESSURE CONTROL LP | 5 | 2015–2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Houston, Texas, US | 4 | 2015–2017 |
| Pearland, Texas, US | 1 | 2018 |