Inventor
Marcus Duffy
Inventor
Houston, TX, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C04Bprimary
C04BLime, magnesia20%
C09KMaterials for miscellaneous applications, not provided for elsewhere20%
E21BEarth or rock drilling13%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management13%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors7%
E02DFoundations7%
E04GScaffolding7%
E04HBuildings or like structures for particular purposes7%
E21DShafts7%
PatentTitleYear
10,479,923Cement composition for lost circulation application and method of cementing201910,066,146Wellbore servicing compositions and methods of making and using same20189,896,269'Method of forming a subterranean gas storage vessel'20189,487,691'Pozzolan for use in a cement composition having a low heat of hydration'2016Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2016–2019Patents assigned to HALLIBURTON ENERGY SERVICES INC (4)· patent assignee history
2016–2019Based in Houston, TX, US· patent location history
2018Based in Spring, TX, US· patent location history
2018Based in El Reno, OK, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HALLIBURTON ENERGY SERVICES INC | 4 | 2016–2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Houston, Texas, US | 2 | 2016–2019 |
| Spring, Texas, US | 1 | 2018 |
| El Reno, OK, US | 1 | 2018 |