Inventor
Patrick L. Hagans
Inventor
Columbia, CT, US
Overview
20→
Patents
1986–2017
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 20 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Mprimary
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy21%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution21%
C23CCoating metallic material12%
G01NInvestigating or analysing materials by determining their chemical or physical properties7%
Y10TTechnical subjects covered by former us classification7%
C02FTreatment of water, waste water, sewage, or sludge5%
C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
A62DChemical means for extinguishing fires or for combating or protecting against harmful chemical agents2%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry2%
PatentTitleYear
9,689,822'Characterization of dielectric materials'20178,920,985'Power generation method using a fuel cell having a stabilized cathode catalyst'20148,389,175'Fuel cell having a stabilized cathode catalyst'20138,309,264'Fuel cell flow field having strong, chemically stable metal bipolar plates'20128,304,365'Stabilized platinum catalyst'20127,090,940'Freeze tolerant fuel cell power plant with a direct contact heat exchanger'20067,049,018'Method of operating a fuel cell system under freezing conditions'20066,979,509'Freeze tolerant fuel cell power plant with a two-component mixed coolant'20056,955,861'Fuel cell system, and method of protecting a fuel cell from freezing'20056,835,480'Method of using a temporary dilute surfactant water solution to enhance mass transport in a fuel cell'20046,709,777'Performance recovery process for PEM fuel cells'20046,569,308'Fabrication of a high surface area diamond-like carbon or dirty diamond coated metal mesh for electrochemical applications'20036,267,866'Fabrication of a high surface area boron-doped diamond coated metal mesh for electrochemical applications'20015,098,789'Method of producing low friction under high vacuum on a ceramic or metal-ceramic'19925,073,461'Tribochemical method of producing an oxidized surface on a ceramic or metal-ceramic'19914,871,526'Heterogeneous catalytic oxidation of organophosphonate esters'19894,767,678'Corrosion resistant magnesium and aluminum oxalloys'19884,659,629'Formation of a protective outer layer on magnesium alloys containing aluminum'19874,613,386'Method of making corrosion resistant magnesium and aluminum oxyalloys'19864,569,699'Method for providing a corrosion resistant coating for magnesium containing materials'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–1992Patents assigned to DOW CHEMICAL CO (6)· patent assignee history
1986–1992Based in Midland, MI, US· patent location history
2001Based in Lansdale, PA, US· patent location history
2003–2012Based in Columbia, CT, US· patent location history
2004–2012Patents assigned to UTC FUEL CELLS LLC (7)· patent assignee history
2012–2013Patents assigned to HAGANS PATRICK L (3)· patent assignee history
2012–2013Patents assigned to MERZOUGUI BELABBES (2)· patent assignee history
2012–2013Patents assigned to OPALKA SUSANNE M (2)· patent assignee history
2013–2014Based in Dexter, MI, US· patent location history
2017Based in Cleveland Heights, OH, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UTC FUEL CELLS LLC | 7 | 2004–2012 |
| DOW CHEMICAL CO | 6 | 1986–1992 |
| HAGANS PATRICK Lself | 3 | 2012–2013 |
| MERZOUGUI BELABBES | 2 | 2012–2013 |
| OPALKA SUSANNE M | 2 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Columbia, CT, US | 9 | 2003–2012 |
| Midland, MI, US | 7 | 1986–1992 |
| Dexter, MI, US | 2 | 2013–2014 |
| Cleveland Heights, OH, US | 1 | 2017 |
| Lansdale, Pennsylvania, US | 1 | 2001 |