Inventor

Erich Lenk

Inventor

Remscheid, DE

Overview

1976–1997

Patent span

Performing operations

Primary field (CPC B)

Patents· 67 as inventor

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

B65Hprimary

B65HHandling thin or filamentary material, e.g. sheets, webs, cables41%

D01DMechanical methods or apparatus in the manufacture of artificial filaments, threads, fibres, bristles or ribbons21%

D02JFinishing or dressing of filaments, yarns, threads, cords, ropes or the like15%

B29CShaping or joining of plastics3%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%

D04HMaking textile fabrics, e.g. from fibres or filamentary material2%

F01DNon-positive displacement machines or engines, e.g. steam turbines2%

F02BInternal-combustion piston engines2%

F16CShafts2%

Y10TTechnical subjects covered by former us classification2%

PatentTitleYear

5,661,880'Method and apparatus for producing a multifilament yarn by a spin-draw process'1997 5,637,331'Spin system for thermoplastic yarns'1997 5,513,973'Melt spinning apparatus'1996 5,421,070'Godet for guiding and heating an advancing yarn'1995 5,352,106'Apparatus for melt spinning multicomponent yarns'1994 5,100,072'Yarn winding apparatus and method'1992 5,075,063'Spinning centrifuge'1991 5,029,762'Yarn winding apparatus and method'1991 5,016,829'Takeup machine'1991 4,917,319'Method of winding yarn packages'1990 4,911,370'Method and apparatus for winding yarn'1990 4,905,355'Apparatus for processing a warp sheet of yarns'1990 4,890,800'Yarn withdrawal apparatus and method'1990 4,880,177'Yarn withdrawal apparatus'1989 4,868,959'Apparatus for processing a warp sheet of yarns'1989 4,867,385'Method and apparatus for threading an advancing yarn onto a winding bobbin tube'1989 4,817,880'Yarn withdrawal appratus and method'1989 4,814,122'Method for processing a warp sheet of yarns'1989 4,801,257'Melt spinning apparatus'1989 4,784,344'Yarn withdrawal apparatus and method'1988 4,704,077'Melt spinning apparatus'1987 4,698,008'Melt spinning apparatus'1987 4,696,633'Melt spinning apparatus'1987 4,691,947'Yarn texturing nozzle'1987 4,681,522'Melt spinning apparatus'1987 4,645,444'Melt spinning apparatus'1987 4,641,504'Yarn heating chamber'1987 4,638,955'Yarn handling apparatus for winding machine'1987 4,630,340'Apparatus for drawing a warp sheet of yarns'1986 4,629,137'Yarn sensor'1986 4,609,344'Yarn heating chamber'1986 4,585,181'Yarn traverse apparatus'1986 4,565,524'Sealed yarn heating chamber'1986 4,561,603'Yarn traverse apparatus and method'1985 4,560,347'Yarn heating chamber'1985 4,529,378'Heating chamber for processing advancing yarn'1985 4,505,436'Yarn winding apparatus'1985 4,505,437'Apparatus for winding a plurality of yarns'1985 4,504,021'Ribbon free wound yarn package and method and apparatus for producing the same'1985 4,493,628'Melt spinning apparatus'1985 4,429,838'Clamping chuck in winding machines'1984 4,364,717'Exhaust gas turbocharger'1982 4,304,975'Inductively heatable godet'1981 4,230,285'Traversing device for thread winding apparatus'1980 4,223,849'Chucking spindle for the reception of a bobbin carrier'1980 4,221,345'Rotary filament feeder'1980 4,209,207'Thrust bearing assembly'1980 4,202,163'Spinning process and apparatus'1980 4,200,212'Process and apparatus for conveying individual strands into a composite strand under controlled speeds and tensions'1980 4,180,717'Inductively heatable godet with insulating means'1979 4,175,712'Chucking spindle for the reception of a bobbin carrier'1979 4,153,211'Bobbin elevators in bobbin transport devices'1979 RE029959'Simultaneous production of plurality of filament winding packages'1979 4,106,710'Winding machines with contact roller control device'1978 4,069,985'Winding machines with contact roller driven by synchronous motor or asynchronous motor'1978 4,038,005'Nozzle plate holder'1977 4,017,249'Melt spinning apparatus'1977 4,007,884'Winding apparatus'1977 3,999,715'Winding machine with multi-chuck bobbin revolver'1976 3,974,973'Doffing device for bobbin tubes or spools'1976 3,964,723'Automatic spool-changing apparatus'1976 3,964,657'Yarn transporting apparatus'1976 3,958,473'Apparatus for eliminating filamentary winders'1976 3,945,581'High-speed cross-winding device'1976 3,945,579'Winding mechanisms with friction drive rollers'1976 3,940,075'Winding machine'1976 3,930,292'Devices for threading filaments on rollers'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1997Patents assigned to BARMAG BARMER MASCHF (66)· patent assignee history

1976–1997Based in Remscheid, DE· patent location history

1976–1977Based in Remscheid-Lennep, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BARMAG BARMER MASCHF	66	1976–1997

Locations

Location	Patents	Span
Remscheid, DE	64	1976–1997
Remscheid-Lennep, DE	3	1976–1977