Inventor
Jeffery D. Karcher
Inventor
Duncan, OK, US
Overview
Patents· 34 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 elsewhere35%
C04BLime, magnesia32%
E21BEarth or rock drilling19%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management14%
C08LCompositions of macromolecular compounds1%
PatentTitleYear
10,766,813Nanocellulose foam stabilizing additive202010,641,058Expansive cement202010,513,650Heavy-atom resin formulation for use in subterranean wells201910,301,527Epoxy resin formulations containing an impact modifier for use in subterranean wells201910,287,478Hydrazide-based curing agents for use in subterranean operations201910,253,240Compatibilized cement composition for treatment of a subterranean formation201910,208,562Expansive cement201910,087,357Cement compositions comprising particulate foamed elastomers and associated methods201810,035,943Epoxy resin formulations containing an impact modifier for use in subterranean wells20189,902,892'Expansive cement'20189,902,891'Heavy-atom resin formulation for use in subterranean wells'20189,751,803'Calcium phosphate cement compositions comprising pumice and/or perlite and associated methods'20179,550,934'Calcium phosphate cement compositions comprising pumice and/or perlite and associated methods'20179,512,345'Settable spacer fluids comprising pumicite and methods of using such fluids in subterranean formations'20169,499,731'Calcium phosphate cement compositions comprising pumice and/or perlite and associated methods'20169,376,609'Settable compositions comprising interground perlite and hydraulic cement'20169,291,007'Floating apparatus and method for fabricating the apparatus'20169,267,072'Weighted elastomers, cement compositions comprising weighted elastomers, and methods of use'20169,267,073'Weighted elastomers, cement compositions comprising weighted elastomers, and methods of use'20168,877,831'Weighted elastomers, cement compositions comprising weighted elastomers, and methods of use'20148,807,216'Cement compositions comprising particulate foamed elastomers and associated methods'20148,726,990'Lost-circulation material made from a recycled ceramic'20148,672,028'Settable compositions comprising interground perlite and hydraulic cement'20148,623,936'Weighted elastomers, cement compositions comprising weighted elastomers, and methods of use'20148,592,352'Cement compositions comprising particulate foamed elastomers and associated methods'20138,513,330'Weighted elastomers, cement compositions comprising weighted elastomers, and methods of use'20138,486,868'Settable compositions comprising unexpanded perlite and methods of cementing in subterranean formations'20138,486,869'Methods of plugging and abandoning a well using compositions comprising cement kiln dust and pumicite'20138,450,391'Weighted elastomers, cement compositions comprising weighted elastomers, and methods of use'20138,440,596'Settable compositions comprising unexpanded perlite and methods of cementing in subterranean formations'20138,434,553'Settable compositions comprising unexpanded perlite and methods of cementing in subterranean formations'20138,403,045'Settable compositions comprising unexpanded perlite and methods of cementing in subterranean formations'20138,307,899'Methods of plugging and abandoning a well using compositions comprising cement kiln dust and pumicite'20127,762,329'Methods for servicing well bores with hardenable resin compositions'2010Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2010–2014Patents assigned to HALLIBURTON ENERGY SERV INC (15)· patent assignee history
2010–2017Based in Duncan, OK, US· patent location history
2012–2014Patents assigned to KARCHER JEFFERY D (10)· patent assignee history
2012–2014Patents assigned to RODDY CRAIG W (10)· patent assignee history
2012–2014Patents assigned to BRENNEIS D CHAD (6)· patent assignee history
2016–2020Patents assigned to HALLIBURTON ENERGY SERVICES INC (19)· patent assignee history
2016–2020Based in Houston, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HALLIBURTON ENERGY SERVICES INC | 19 | 2016–2020 |
| HALLIBURTON ENERGY SERV INC | 15 | 2010–2014 |
| KARCHER JEFFERY Dself | 10 | 2012–2014 |
| RODDY CRAIG W | 10 | 2012–2014 |
| BRENNEIS D CHAD | 6 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Duncan, OK, US | 21 | 2010–2017 |
| Houston, Texas, US | 13 | 2016–2020 |