Inventor

Karl-Heinz Ahrweiler

Inventor

Krefeld, DE

Overview

33→

Patents

1976–2001

Patent span

Performing operations

Primary field (CPC B)

Patents· 33 as inventor

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

B30Bprimary

B30BPresses in general18%

B27NManufacture by dry processes of articles, with or without organic binding agents, made from particles or fibres consisting of wood or other lignocellulosic or like organic material11%

F16CShafts11%

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. inserts8%

D06BTreating textile materials using liquids, gases or vapours8%

Y10TTechnical subjects covered by former us classification8%

B29CShaping or joining of plastics7%

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

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

B29BPreparation or pretreatment of the material to be shaped3%

PatentTitleYear

6,321,426'Device for applying a treatment medium to a moving strip of material'2001 6,314,771'Device for applying a patterning agent to a line'2001 6,305,421'Tubular element and device equipped therewith for applying a fluid processing agent to a strip of fabric'2001 6,230,744'Valve arrangement and valve for the same'2001 5,593,762'Inherently rigid laminate material containing plastic trimmings'1997 5,456,872'Inherently rigid laminate material containing plastic trimmings and a method for producing same'1995 5,277,041'Drain board for a device for applying a liquid film to a web of textile material'1994 5,224,367'Method for the treatment of the steel belts of a double belt press'1993 5,112,209'Twin-belt press for manufacturing particle boards'1992 5,085,812'Method of and plant for the manufacture of wood chipboards and similar board materials'1992 4,995,147'Roll having improved transverse end seals'1991 4,651,552'Roll for a foil-drawing calender or the like'1987 4,578,847'Roll'1986 4,534,829'Calender'1985 4,410,474'Method and apparatus for the continuous manufacture of extruded materials'1983 4,410,380'Method for the continuous manufacture of sheets of material especially wood chip board'1983 4,371,414'Control system for a continuously operating press'1983 4,327,468'Controlled deflection roll'1982 4,308,651'Controlled variable deflection roll'1982 4,307,501'Method for controlling the line pressure distribution of a roller and corresponding roller'1981 4,296,537'Variable deflection roll controlled by hydraulically actuated reciprocating elements'1981 4,280,262'Hydraulically controlled variable deflection roll'1981 4,213,748'Press for compacting material to form a traveling web'1980 4,200,430'Apparatus for the manufacture of sheets'1980 4,105,387'Side sealing means for a continuous press'1978 4,053,276'Press for exerting a pressure over an area'1977 4,050,872'Roller chain guide arrangement'1977 4,043,732'Press for exerting flat pressure'1977 4,033,153'Apparatus for producing patterns on advancing strips'1977 4,029,456'Rapid load-relieve device for continuous press'1977 4,017,235'Apparatus for avoiding an excess of pressure in a continuous press'1977 3,993,426'Continuous press having improved anti-friction rollers'1976 3,965,769'Roller chains for a continuous press'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1987Patents assigned to KUESTERS EDUARD (20)· patent assignee history

1976–2001Patents assigned to KUESTERS EDUARD MASCHF (12)· patent assignee history

1976–1986Based in Krefeld, DE· patent location history

1985–2001Based in Willich, DE· patent location history

1997Patents assigned to EDUARD KUESTERS MASCHINENFABRIK GMBH & CO KG (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KUESTERS EDUARD	20	1976–1987
KUESTERS EDUARD MASCHF	12	1976–2001
EDUARD KUESTERS MASCHINENFABRIK GMBH & CO KG	1	1997

Locations

Location	Patents	Span
Krefeld, DE	20	1976–1986
Willich, DE	13	1985–2001