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Inventor

Friedrich-Ludwig Siever

Inventor
Schwelm, DE

Overview

3→
Patents
1996–1999
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B05Dprimary
B05DProcesses for applying fluent materials to surfaces, in general33%
B05BSpraying apparatus17%
C02FTreatment of water, waste water, sewage, or sludge17%
C25DProcesses for the electrolytic or electrophoretic production of coatings17%
Y02PClimate change mitigation technologies in the production or processing of goods17%
PatentTitleYear
5,908,667'Multilayer lacquering process'19995,882,734'Multilayer lacquering process'19995,569,384'Process for recovering the overspray of aqueous coating agents during spray application in spray booths'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996Patents assigned to HERBERTS GMBH (1)· patent assignee history
1996–1999Based in Schwelm, DE· patent location history
1999Patents assigned to HERBERTS & CO GMBH (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HERBERTS & CO GMBH21999
HERBERTS GMBH11996
Locations
LocationPatentsSpan
Schwelm, DE31996–1999