Knut Fehl

This inventor holds 9 USPTO granted patents, plus 2 CIPO patents and 2 EPO patents. Top assignees: Umicore Ag & Co Kg, Degussa Aktiengesellschaft, Degussa - Huls Ag. Active years: 1999-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Knut Fehl. Retrieved from https://idiyas.com/inventor/knut-fehl

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

USPTO Granted Patents = 9

% Patents Active = 66.7

CIPO Patents = 2 (Patent Applications = 1)

EPO Patents = 2

Average Co-Inventor Count = 4.6

ph-index = 5

Forward Citations = 113(Granted Patents)

Location History:

Schluchtern, DE (1999)
Schluchtern-Ramholz, DE (2000)
Schlüchtern, DE (2001 - 2006)
Schlüchtern-Ramholz, DE (2004 - 2013)

Company Filing History:

Degussa Aktiengesellschaft

Degussa-Huels Aktiengesellschaft

patents

Years Active: 1999-2013

Loading Chart...

9 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8361674 - Multi-layer membrane-electrode-assembly (ML-MEA) and method for its manufacture (2013-01-29),

2. 7754369 - Ink for producing membrane electrode assemblies for fuel cells (2010-07-13),

3. 7147959 - Process for the manufacture of membrane-electrode-assemblies using catalyst-coated membranes (2006-12-12),

4. 6893761 - Process for producing a membrane electrode assembly and the membrane electrode assembly produced thereby (2005-05-17),

5. 6803143 - Gas diffusion structures and gas diffusion electrodes for polymer electrolyte fuel cells (2004-10-12),

6. 6500217 - Process for applying electrode layers to a polymer electrolyte membrane strip for fuel cells (2002-12-31),

7. 6309772 - Membrane-electrode unit for polymer electrolyte fuel cells and processes for their preparation (2001-10-30),

8. 6156449 - Catalyst layer for polymer electrolyte fuel cells (2000-12-05),

9. 5882549 - Pastes for fired-on layers (1999-03-16),

I specialize in writing about inventions, inventors, patent attorneys, assignees, and patents.

Profile summary based on public USPTO records.