Inventor
Hartley H. Downs
Inventor
Kingwood, TX, US
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C02Fprimary
C02FTreatment of water, waste water, sewage, or sludge32%
C09KMaterials for miscellaneous applications, not provided for elsewhere12%
E21BEarth or rock drilling12%
A62DChemical means for extinguishing fires or for combating or protecting against harmful chemical agents8%
B01DSeparation8%
C10GCracking hydrocarbon oils8%
C10MLubricating compositions8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
C08JWorking-up4%
PatentTitleYear
10,323,512System and method for downhole inorganic scale monitoring and intervention in a production well201910,323,513System and method for downhole organic scale monitoring and intervention in a production well20198,356,667'Liquid crystals for drilling, completion and production fluids'20136,841,089'Detoxification of onium compounds'20056,723,249'Detoxification of onium compounds'20045,302,296'Water clarification using compositions containing a water clarifier component and a floc modifier component'19945,207,919'Metal ion complexes for use as scale inhibitors'19935,190,683'Water clarification composition containing a water clarifier component and a floc modifier component'19935,057,228'Metal ion complexes for use as scale inhibitors'19915,006,274'Additive for clarifying aqueous systems without production of uncontrollable floc'19914,855,060'Method and additive for clarifying aqueous systems without production of uncontrollable floc'19894,612,332'Novel polymeric foams and foaming compositions'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986Based in Annandale, NJ, US· patent location history
1989–2013Patents assigned to BAKER HUGHES INC (9)· patent assignee history
1989–2005Based in Kingwood, TX, US· patent location history
2013Based in Jasper, TX, US· patent location history
2019Patents assigned to BAKER HUGHES A GE CO LLC (2)· patent assignee history
2019Patents assigned to CHANDRAN ASHWIN (2)· patent assignee history
2019Patents assigned to DIFOGGIO ROCCO (2)· patent assignee history
2019Patents assigned to DONZIER ERIC (2)· patent assignee history
2019Based in Houston, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAKER HUGHES INC | 9 | 1989–2013 |
| BAKER HUGHES A GE CO LLC | 2 | 2019 |
| CHANDRAN ASHWIN | 2 | 2019 |
| DIFOGGIO ROCCO | 2 | 2019 |
| DONZIER ERIC | 2 | 2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kingwood, Texas, US | 8 | 1989–2005 |
| Houston, Texas, US | 2 | 2019 |
| Jasper, Texas, US | 1 | 2013 |
| Annandale, New Jersey, US | 1 | 1986 |