Inventor · Lannach, AT

Franz Petschauer

15Patents
6h-index
20Co-inventors
66Inventor score

Filing activity: Apr 26, 1979 → Oct 13, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US5238501A Method for treatment of a fibrous material-fluid mixture Textiles; Paper 19 Expired
US6311849A Device for dehydrating and washing suspensions of fibrous material Textiles; Paper 14 Expired
US4544447A Dehydration machine for pulp, sludges or similar fibrous materials Textiles; Paper 13 Expired
US5109764A Double screen belt press with a wedge compression zone for dewatering mixtures of fibrous material suspensions Performing Operations; Transporting 12 Expired
US4481118A Method and apparatus for rinsing filter cake Performing Operations; Transporting 11 Expired
US6338773B1 Device for dewatering solid/liquid suspensions, especially pulp suspensions Textiles; Paper 8 Expired
US4270254A Method for making grooved rollers for dehydrating runs of materials Emerging Cross-Sectional Technologies 5 Expired
US4874468A Apparatus for the liquid treatment of a fibrous board between two endless foraminous belts or wires Performing Operations; Transporting 5 Expired
US7090746B2 Process and device for removing water from a mechanical pulp, chemical pulp or paper sheet Emerging Cross-Sectional Technologies 2 Expired
US6616810B1 Device for removing water from a fibrous material strip Mechanical Engineering; Lighting; Heating 2 Expired
US5868903A Device for dewatering and/or washing suspensions, in particular suspensions of fibrous materials Performing Operations; Transporting 2 Expired
US5517834A Method and device for treatment of a fibrous material-fluid mixture Textiles; Paper 1 Expired
US5239876A Apparatus for determining the properties of a compactible material Physics 1 Expired
US8778142B2 Suction roll for dewatering a fibrous web Textiles; Paper 0 Active
US9506692B2 Device and method for drying fibrous material Textiles; Paper 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.