Inventor
Sandra Wittpahl
Inventor
Obertshausen, DE
Overview
12→
Patents
2002–2014
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 12 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 energy28%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution28%
Y02PClimate change mitigation technologies in the production or processing of goods22%
C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals8%
B23KSoldering or unsoldering6%
Y10TTechnical subjects covered by former us classification6%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application3%
PatentTitleYear
8,685,200'Process for manufacturing a catalyst-coated ionomer membrane with protective film layer'20148,512,912'Membrane-electrode unit for direct methanol fuel cells (DMFC)'20138,394,551'Membrane electrode assembly for use in electrochemical devices'20138,343,321'Membrane electrode unit for the electrolysis of water'20138,021,796'Catalyst-coated ionomer membrane with protective film layer and membrane-electrode-assembly made thereof'20117,993,499'Membrane electrode unit for the electrolysis of water'20117,754,369'Ink for producing membrane electrode assemblies for fuel cells'20107,147,959'Process for the manufacture of membrane-electrode-assemblies using catalyst-coated membranes'20067,141,270'Method for the production of membrane electrode assemblies for fuel cells'20066,998,149'Process for producing a membrane electrode assembly for fuel cells'20066,613,159'Flux for brazing difficult to wet metallic materials'20036,342,106'Flux-free brazing paste'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2003Based in Hanau, DE· patent location history
2006–2014Patents assigned to UMICORE AG & CO KG (10)· patent assignee history
2006–2014Based in Obertshausen, DE· patent location history
2011–2013Based in Herzogenaurach, DE· patent location history
2013–2014Patents assigned to WITTPAHL SANDRA (4)· patent assignee history
2013Patents assigned to DZIALLAS HOLGER (3)· patent assignee history
2013–2014Patents assigned to SCHAACK KLAUS (3)· patent assignee history
2013–2014Patents assigned to ZUBER RALF (3)· patent assignee history
2013Based in Haszogenaurach, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UMICORE AG & CO KG | 10 | 2006–2014 |
| WITTPAHL SANDRAself | 4 | 2013–2014 |
| DZIALLAS HOLGER | 3 | 2013 |
| SCHAACK KLAUS | 3 | 2013–2014 |
| ZUBER RALF | 3 | 2013–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Obertshausen, DE | 6 | 2006–2014 |
| Herzogenaurach, DE | 3 | 2011–2013 |
| Hanau, DE | 2 | 2002–2003 |
| Haszogenaurach, DE | 1 | 2013 |