Inventor
Matthew Grady Kellum
Inventor
Spring, TX, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere31%
E21BEarth or rock drilling31%
C04BLime, magnesia23%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management15%
PatentTitleYear
11,028,309Method of using resin coated sized particulates as spacer fluid202110,844,270Method of enhancing stability of cement slurries in well cementing operations202010,767,098Method of using sized particulates as spacer fluid202010,370,294Single blended cement system for use at wide ranges of density and temperatures201910,287,478Hydrazide-based curing agents for use in subterranean operations20199,878,949'Set-delayed cement compositions comprising pumice and associated methods'20189,328,583'Set-delayed cement compositions comprising pumice and associated methods'20168,997,866'Cement compositions comprising lignite-based grafted copolymers and methods of use'2015Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2015–2019Patents assigned to HALLIBURTON ENERGY SERVICES INC (4)· patent assignee history
2015Patents assigned to BROTHERS LANCE E (1)· patent assignee history
2015–2021Based in Spring, TX, US· patent location history
2019–2020Patents assigned to BAKER HUGHES A GE CO LLC (3)· patent assignee history
2020Patents assigned to BAKER HUGHES INC (2)· patent assignee history
2021Patents assigned to BAKER HUGHES OILFIELD OPERATIONS LLC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HALLIBURTON ENERGY SERVICES INC | 4 | 2015–2019 |
| BAKER HUGHES A GE CO LLC | 3 | 2019–2020 |
| BAKER HUGHES INC | 2 | 2020 |
| BAKER HUGHES OILFIELD OPERATIONS LLC | 1 | 2021 |
| BROTHERS LANCE E | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Spring, Texas, US | 8 | 2015–2021 |