Inventor
DROPCZYNSKI HARTMUT
18 patents
⚠️ This page may combine multiple inventors who share the name “DROPCZYNSKI HARTMUT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JAGENBERG AG
12 patentsUS5413656AMay 9, 1995
Method and device for exchanign windings rolls
JAGENBERG AG36 citations90
US5222679AJun 29, 1993
Method of and apparatus for automatic replacement of a fully wound roll by a new sleeve in a winding machine
JAGENBERG AG29 citations86
US4552316ANov 12, 1985
Method and apparatus for winding webs of cellulose
JAGENBERG AG28 citations86
US4485979ADec 4, 1984
Device for shaftless winding machines
JAGENBERG AG26 citations82
US5000395AMar 19, 1991
Apparatus for inserting a winding sleeve or core into a winding machine
JAGENBERG AG18 citations78
US5273226ADec 28, 1993
Winding machine with support cylinders
JAGENBERG AG11 citations73
US4726533AFeb 23, 1988
Method of and apparatus for the automatic positioning of a web-winding core in a double-roll coiling machine
JAGENBERG AG7 citations73
US5855337AJan 5, 1999
Winding machine with support cylinders and air pressure relieved wind up rolls
JAGENBERG AG11 citations71
US5478026ADec 26, 1995
Winding machine with support cylinders
JAGENBERG AG13 citations71
US4909454AMar 20, 1990
Apparatus for inserting a winding sleeve or core into a winding machine
JAGENBERG AG7 citations69
US5067663ANov 26, 1991
Drum-type winder for winding webs of material
JAGENBERG AG6 citations62
US4974786ADec 4, 1990
Method and device for winding webs of material especially webs of paper or cardboard
JAGENBERG AG6 citations62
JAGENBERG WERKE AG
3 patentsUS4408727AOct 11, 1983
Method and apparatus for the automatic severing and reattachment of a web
JAGENBERG WERKE AG33 citations92
US4299358ANov 10, 1981
Method and apparatus for the automatic sidewise insertion of cores in winding machines
JAGENBERG WERKE AG7 citations73
US4239142ADec 16, 1980
Broad-drawing apparatus
JAGENBERG WERKE AG11 citations72