Inventor

Valentin Appenzeller

Inventor

Kempen, DE

Overview

17→

Patents

1976–1987

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 17 as inventor

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

F16Cprimary

F16CShafts26%

Y10TTechnical subjects covered by former us classification10%

B30BPresses in general8%

D21FPaper-making machines8%

D21GCalenders8%

F16JPistons8%

B29CShaping or joining of plastics5%

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%

B29LIndexing scheme associated with subclass b29c, relating to particular articles5%

D06BTreating textile materials using liquids, gases or vapours5%

PatentTitleYear

4,709,629'Roll with pressure chamber for detection control'1987 4,506,421'Controlled-deflection roll'1985 4,447,940'Revolving hollow roll with a gap seal'1984 4,440,335'Support rod steamer rod lock'1984 4,325,170'Deflection controlled cylinder'1982 4,308,651'Controlled variable deflection roll'1982 4,285,107'Coolable roller'1981 4,192,050'Method of making a helically grooved roller'1980 4,188,698'Sealing arrangement at a roll'1980 4,187,594'Roll for pressure treating webs of material'1980 4,172,038'Filter arrangement'1979 4,149,303'Roll'1979 RE029251'Means for continuous dyeing of pile warp textiles especially of carpets'1977 3,993,426'Continuous press having improved anti-friction rollers'1976 3,973,483'Apparatus for the continuous pressure treatment of a web'1976 3,965,769'Roller chains for a continuous press'1976 3,958,311'Method of making a grooved roller'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1987Patents assigned to KUESTERS EDUARD (14)· patent assignee history

1976–1979Patents assigned to KUESTERS EDUARD MASCHF (2)· patent assignee history

1976–1987Based in Kempen, DE· patent location history

1976Based in Kempen/Niederrhein, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KUESTERS EDUARD	14	1976–1987
KUESTERS EDUARD MASCHF	2	1976–1979

Locations

Location	Patents	Span
Kempen, DE	16	1976–1987
Kempen/Niederrhein, DE	1	1976