Rudiger Dollhopf

Person

Hernolzheim, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Multiple width fiber strip and method and apparatus for its production
- Patent number 5,860,201
- Issue date Jan 19, 1999
- Rhodia Acetow Aktiengesellschaft
- Rudiger Dollhopf
- D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING
Information Patent Grant
Method of making multiple width fiber strip
- Patent number 5,776,404
- Issue date Jul 7, 1998
- Rhodia Acetow Aktiengesellschaft
- Rudiger Dollhopf
- D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING
Information Patent Grant
Multiple width fiber strip and method and apparatus for its production
- Patent number 5,683,777
- Issue date Nov 4, 1997
- Rhone-Poulenc Rhodia AG
- Rudiger Dollhopf
- D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING
Information Patent Grant
Spinning pump having an adapter with a radial groove
- Patent number 5,118,267
- Issue date Jun 2, 1992
- Rhone-Poulenc Rhodia Aktiengesellschaft
- Rudiger Dollhopf
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Co-rotating dual outputs twin screw extruder with axial offset pinions
- Patent number 5,103,689
- Issue date Apr 14, 1992
- Rhone-Poulenc Rhodia Aktiengesellschaft
- Rudiger Dollhopf
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for the production of a warp beam, and warp beam so produced
- Patent number 5,035,355
- Issue date Jul 30, 1991
- Rhone-Poulenc Rhodia Aktiengesellschaft
- Rudiger Dollhopf
- D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING
Information Patent Grant
Extrusion process and single-, dual- or multiple-screw extruder
- Patent number 4,959,186
- Issue date Sep 25, 1990
- Rhodia AG
- Rudiger Dollhopf
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
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- Publication number 20050126582
- Publication date Jun 16, 2005
- Rhodia Acetow GmbH
- Rudiger Dollhopf
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Application
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- Publication number 20040237982
- Publication date Dec 2, 2004
- Rudiger Dollhopf
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES

Rudiger Dollhopf

Person

Patents Grantslast 30 patents

Multiple width fiber strip and method and apparatus for its production

Method of making multiple width fiber strip

Multiple width fiber strip and method and apparatus for its production

Spinning pump having an adapter with a radial groove

Co-rotating dual outputs twin screw extruder with axial offset pinions

Method for the production of a warp beam, and warp beam so produced

Extrusion process and single-, dual- or multiple-screw extruder

Patents Applicationslast 30 patents

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