1
Alfred Rasen, Rolf Vollbrecht, Klemens Schenesse: Low density matting and process. Akzona Incorporated, John H Shurtleff, Jack H Hall, Francis W Young, February 24, 1981: US04252590 (63 worldwide citation)

A low density matting structure of improved transverse strength obtained by vertically laying continuous melt-spun thermoplastic macrofilaments (diameter=0.1-1.5 mm) onto a horizontally moving profiled support in overlapping rows of irregularly looped filaments to form a peak and valley three-dimens ...


2
Alfred Rasen, Rolf Vollbrecht, Klemens Schenesse, Joachim Behnke: Low density matting and process. Akzona Incorporated, John H Shurtleff, Alan Stempel, Francis W Young, August 3, 1982: US04342807 (44 worldwide citation)

A low density matting structure of improved transverse strength obtained by vertically laying continuous melt-spun thermoplastic macrofilaments (diameter=0.1-1.5 mm) onto a horizontally moving profiled support in overlapping rows of irregularly looped filaments to form a peak and valley three-dimens ...


3
Alfred Rasen, Rolf Vollbrecht, Klemens Schenesse: Matting article with process and apparatus for its production. Akzona Incorporated, John H Shurtleff, July 15, 1980: US04212692 (40 worldwide citation)

An improved coherently bonded, low density matting article composed of a primary matting layer in which synthetic fiber-forming thermoplastic macrofilaments are irregularly looped and intermingled in a highly porous or open peak and valley three-dimensional sheet structure, preferably having peaks, ...


4
Alfred Rasen, Rolf Vollbrecht, Klemens Schenesse: Erosion control matting. Akzona Incorporated, John H Shurtleff, January 1, 1980: US04181450 (21 worldwide citation)

A porous, reinforced, erosion control matting is provided by a relatively open, self-supporting, three-dimensionally looped structure of synthetic filaments having a diameter of at least 0.06 mm., with a backing of a decay-resistant or rot-resistant, comparatively dense web or fabric which is bonded ...


5
Alfred Rasen, Rolf Vollbrecht, Klemens Schenesse: Matting article. Akzona, John H Shurtleff, December 4, 1979: US04177312 (19 worldwide citation)

An improved coherently bonded, low density matting article composed of a primary matting layer in which synthetic fiber-forming thermoplastic macrofilaments are irregularly looped and intermingled in a highly porous or open peak and valley three-dimensional sheet structure, preferably having peaks, ...


6
Alfred Rasen, Rolf Vollbrecht, Klemens Schenesse: Low density matting and process. Akzona Incorporated, John H Shurtleff, Jack H Hall, Francis W Young, June 12, 1984: USRE031599

A low density matting structure of improved transverse strength obtained by vertically laying continuous melt-spun thermoplastic macrofilaments (diameter=0.1-1.5 mm) onto a horizontally moving profiled support in overlapping rows of irregularly looped filaments to form a peak and valley three-dimens ...