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Inventor

Robert Kern

Inventor
Weingarten, DE

Overview

4→
Patents
1992–2002
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

B01Dprimary
B01DSeparation20%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry10%
B30BPresses in general10%
C01CAmmonia10%
C05GMixtures of fertilisers covered individually by different subclasses of class c0510%
C06BExplosives or thermic compositions10%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds10%
C08JWorking-up10%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management10%
PatentTitleYear
6,409,929'Steam drying of rotary filter cakes without crack formation'20026,365,120'Method for hardening granular inorganic salt compounds'20026,127,436'Reclaimed poly (ethylene terephthalate) coating'20005,143,628'Method of the dewatering of sludge'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992Patents assigned to SIEMPELKAMP GMBH & CO (1)· patent assignee history
1992–2002Based in Weingarten, DE· patent location history
2000Patents assigned to SUN CHEMICAL CORP (1)· patent assignee history
2000Based in Carlstadt, NJ, US· patent location history
2002Patents assigned to BOKELA ING GMBH (1)· patent assignee history
2002Patents assigned to LOBECO PRODUCTS INC (1)· patent assignee history
2002Based in Beaufort, SC, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BOKELA ING GMBH12002
LOBECO PRODUCTS INC12002
SIEMPELKAMP GMBH & CO11992
SUN CHEMICAL CORP12000
Locations
LocationPatentsSpan
Weingarten, DE21992–2002
Beaufort, SC, US12002
Carlstadt, New Jersey, US12000