EF

Ernst Fehrer

Overall (All Time): #104,153 of 4,157,543Top 3%
34
Patents All Time

Issued Patents All Time

Showing 1–25 of 34 patents

Patent #TitleCo-InventorsDate
5896633 Method and device for needling a web 1999-04-27
5894643 Device for needling a web 1999-04-20
5893200 Device for needling a prebonded web 1999-04-13
5813101 Device for needling a prebonded web 1998-09-29
5752301 Apparatus for needling a fibrous web 1998-05-19
5742981 Device for dividing a card web into longitudinal sections 1998-04-28
5699596 Apparatus for needling a fibrous web 1997-12-23
5669109 Method and apparatus for layering a fibrous web 1997-09-23
5617714 Drafting unit for a ring spinning device with two delivery rollers defining a delivery nip therebetween for a roving 1997-04-08
5568678 Apparatus for needling a nonwoven web along a circular path 1996-10-29
5551134 Apparatus with curved needle for needling a nonwoven web 1996-09-03
5511294 Apparatus for needling a nonwoven web 1996-04-30
5442836 Apparatus for making a nonwoven web by sucking fibers from a carding drum onto a moving fiber collecting surface 1995-08-22
5431005 Drawing frame for a ring spinning apparatus 1995-07-11
5421151 Apparatus for making yarn 1995-06-06
5361573 Traveler arrangement in ring spinning apparatus 1994-11-08
5361451 Apparatus for making a nonwoven web 1994-11-08
5289618 Apparatus for making a nonwoven web 1994-03-01
5148584 Apparatus for needling a nonwoven web 1992-09-22
5117535 Process and apparatus for producing a nonwoven web 1992-06-02
5085046 Process and apparatus for feeding at least two drawn rovings to respective ring spinning stations 1992-02-04
4972551 Apparatus for making a non-woven fabric 1990-11-27
4953349 Apparatus for making a yarn 1990-09-04
4799294 Apparatus for making slivers from a lap 1989-01-24
4779410 Apparatus for making a yarn 1988-10-25