Inventor
Michael Donovan Mitchell
Inventor
Cincinnati, OH, US
Overview
Patents· 29 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 sludge25%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry24%
B01DSeparation23%
C07CAcyclic or carbocyclic compounds4%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management4%
B82YSpecific uses or applications of nanostructures2%
C03CChemical composition of glasses, glazes or vitreous enamels2%
Y02ATechnologies for adaptation to climate change2%
B01FMixing, e.g. dissolving, emulsifying or dispersing1%
C07DHeterocyclic compounds1%
PatentTitleYear
10,336,629Gravity filter20199,994,461Gravity filter20189,371,613'On-site emulsification of defoamer for brownstock washing of pulp'20168,333,873'Apparatus for electrolyzing an electrolytic solution'20128,197,790'Method of making a filter material including activated carbon particles having carbon nanofilaments'20128,119,012'Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particles'20127,922,008'Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particles'20117,896,168'Filters having improved permeability and virus removal capabilities'20117,850,859'Water treating methods'20107,749,394'Methods of treating water'20107,740,766'Methods for treating water'20107,740,765'Methods for treating water'20107,712,613'Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particles'20107,614,507'Water filter materials, water filters and kits containing particles coated with cationic polymer and processes for using the same'20097,614,506'Water filter materials and water filters and processes for using the same'20097,614,508'Water filter materials, water filters and kits containing silver coated particles and processes for using the same'20097,537,695'Water filter incorporating activated carbon particles with surface-grown carbon nanofilaments'20097,316,323'Filters having improved permeability and virus removal capabilities'20087,186,441'Processes for manufacturing particles coated with activated lignosulfonate'20077,048,842'Electrolysis cell for generating chlorine dioxide'20066,827,854'Filters and filter materials for the removal of microorganisms and processes for using the same'20046,733,827'Processes for manufacturing particles coated with activated lignosulfonate'20046,080,863'Process for producing piperidine'20005,937,641'Catalytic converter for exhaust gases having a high surface area catalytic core element'19995,565,602'Production of thiolcarbamates'19965,226,733'Non-linear signal gain compression and sampling'19934,777,305'Synthesis of 1,4-dichlorobenzene'19884,668,296'Alkylation of diphenyl oxide'19874,182,683'Process for the manufacture of a dishwashing detergent'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–2000Patents assigned to PHILLIPS PETROLEUM CO (4)· patent assignee history
1987–2000Based in Bartlesville, OK, US· patent location history
1993Based in Royal Palm Beach, FL, US· patent location history
1999–2012Based in Cincinnati, OH, US· patent location history
2004–2012Patents assigned to PROCTER & GAMBLE (10)· patent assignee history
2007–2012Patents assigned to PUR WATER PURIFICATION PROD (9)· patent assignee history
2012Patents assigned to COLLIAS DIMITRIS IOANNIS (3)· patent assignee history
2012Patents assigned to MITCHELL MICHAEL DONOVAN (3)· patent assignee history
2016Based in Newark, DE, US· patent location history
2018–2019Based in Franklin, MA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PROCTER & GAMBLE | 10 | 2004–2012 |
| PUR WATER PURIFICATION PROD | 9 | 2007–2012 |
| PHILLIPS PETROLEUM CO | 4 | 1987–2000 |
| COLLIAS DIMITRIS IOANNIS | 3 | 2012 |
| MITCHELL MICHAEL DONOVANself | 3 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Cincinnati, OH, US | 20 | 1999–2012 |
| Bartlesville, OK, US | 4 | 1987–2000 |
| Franklin, Massachusetts, US | 2 | 2018–2019 |
| Newark, Delaware, US | 1 | 2016 |
| Royal Palm Beach, Florida, US | 1 | 1993 |