Inventor

Werner Wiedmann

Inventor

Stuttgart, DE

Overview

9→

Patents

1980–2009

Patent span

Performing operations

Primary field (CPC B)

Patents· 9 as inventor

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

B29Bprimary

B29BPreparation or pretreatment of the material to be shaped21%

B29CShaping or joining of plastics16%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry11%

C10JProduction of producer gas, water-gas, synthesis gas from solid carbonaceous material, or mixtures containing these gases11%

A23GCocoa5%

A23JProtein compositions for foodstuffs5%

A23PShaping or working of foodstuffs, not fully covered by a single other subclass5%

B01FMixing, e.g. dissolving, emulsifying or dispersing5%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts5%

B30BPresses in general5%

PatentTitleYear

7,607,817'Extruder having a set back gas-permeable wall portion'2009 5,573,332'Screw element for a screw-like extrusion machine'1996 4,861,615'Methods for preparing chocolate mixtures'1989 4,786,514'Method and apparatus for extruding a food product'1988 4,605,444'Processes for preparing caseinates'1986 4,455,091'Process for regulating the mixing process of rubber mixtures in an internal mixer'1984 4,302,143'Device for filling a container which is under pressure'1981 4,255,161'Apparatus for introducing solid fuels into a pressure gasification reactor'1981 4,234,259'Mixing apparatus for kneading of plastic substances'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1996Patents assigned to WERNER & PFLEIDERER (8)· patent assignee history

1980–2009Based in Stuttgart, DE· patent location history

2009Patents assigned to COPERION GMBH (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
WERNER & PFLEIDERER	8	1980–1996
COPERION GMBH	1	2009

Locations

Location	Patents	Span
Stuttgart, DE	9	1980–2009