HD

Hartmut Dropczynski

JA Jagenberg Aktiengesellschaft: 12 patents #2 of 77Top 3%
JA Jagenberg Werke Ag: 3 patents #10 of 54Top 20%
JG Jagenberg Papiertechnik Gmbh: 2 patents #11 of 32Top 35%
Overall (All Time): #260,510 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
5996926 Winding apparatus with air-cushion roll support 1999-12-07
5855337 Winding machine with support cylinders and air pressure relieved wind up rolls Herbert Schonmeier, Peter Hoffmann, Reinhard Schonen 1999-01-05
5577684 Winding machine with support cylinders Michael Kuhnhold 1996-11-26
5478026 Winding machine with support cylinders Herbert Schonmeier, Peter Hoffmann, Reinhard Schonen 1995-12-26
5413656 Method and device for exchanign windings rolls Michael Kuhnhold, Wolfgang Fischer 1995-05-09
5273226 Winding machine with support cylinders 1993-12-28
5222679 Method of and apparatus for automatic replacement of a fully wound roll by a new sleeve in a winding machine Ernst-Gunther Urban 1993-06-29
5067663 Drum-type winder for winding webs of material 1991-11-26
5012987 Drum-type winder for winding a web of material, especially a web of paper or cardboard, on cores 1991-05-07
5000395 Apparatus for inserting a winding sleeve or core into a winding machine Ewald G. Welp, Waldemar Neumann, Reinhold Hehner, Georg Muller, Luzian Kies 1991-03-19
4974786 Method and device for winding webs of material especially webs of paper or cardboard 1990-12-04
4909454 Apparatus for inserting a winding sleeve or core into a winding machine Ewald G. Welp, Waldemar Neumann, Reinhald Hehner, Georg Muller, Luzian Kies 1990-03-20
4726533 Method of and apparatus for the automatic positioning of a web-winding core in a double-roll coiling machine 1988-02-23
4552316 Method and apparatus for winding webs of cellulose Peter Trilling 1985-11-12
4485979 Device for shaftless winding machines 1984-12-04
4408727 Method and apparatus for the automatic severing and reattachment of a web 1983-10-11
4299358 Method and apparatus for the automatic sidewise insertion of cores in winding machines Manfred Dienst 1981-11-10
4239142 Broad-drawing apparatus Herbert Schonmeier 1980-12-16