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Inventor

Ernst-Walter Schäfer

Inventor
Welgesheim, DE

Overview

1→
Patents
2007
Patent span
Chemistry
Primary field (CPC C)

Patents· 1 as inventor

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

C03Bprimary
C03BManufacture, shaping, or supplementary processes25%
C03CChemical composition of glasses, glazes or vitreous enamels25%
Y02PClimate change mitigation technologies in the production or processing of goods25%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%
PatentTitleYear
7,296,441'Device and method for melting a substance with the occurrence of a low level of contamination'2007

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007Patents assigned to SCHOTT AG (1)· patent assignee history
2007Based in Welgesheim, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SCHOTT AG12007
Locations
LocationPatentsSpan
Welgesheim, DE12007