Inventor

Johannes Willems

Inventor
Frankfurt am Main, DE

Overview

7→
Patents
2001–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 7 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C01Bprimary
C01BNon-metallic elements13%
C22BProduction and refining of metals13%
Y02PClimate change mitigation technologies in the production or processing of goods13%
C01DCompounds of alkali metals, i.e. lithium, sodium, potassium, rubidium, caesium, or francium9%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy9%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management9%
C01GCompounds containing metals not covered by subclasses c01d or c01f6%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds6%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients6%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2004Patents assigned to GEN ELECTRIC (2)· patent assignee history
2001–2004Based in Bergen op Zoom, NL· patent location history
2017–2020Patents assigned to Rockwood Lithium GmbH (4)· patent assignee history
2017–2021Based in Frankfurt am Main, DE· patent location history
2018–2021Patents assigned to ALBEMARLE GERMANY GMBH (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
Rockwood Lithium GmbH42017–2020
ALBEMARLE GERMANY GMBH32018–2021
GEN ELECTRIC22001–2004
Locations
LocationPatentsSpan
Frankfurt am Main, DE52017–2021
Bergen op Zoom, NL22001–2004