Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Novel porous fabric

Novel porous fabric

US Patent 4438167 · Granted Mar 20, 1984

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Process and apparatus for producing non-woven webs of strong filaments2000
Apparatus and process for polygonal melt-blowing die assemblies for making high-1997
Apparatus and process for uniformly melt-blowing a fiberforming thermoplastic po1995
Process for forming a superabsorbent composite web from fiberforming thermoplast1992
Tube of oriented, heat shrunk, melt blown fibers1989
Process for forming non-woven webs from highly oriented melt blown fibers1988
Apparatus and process for melt-blowing a fiberforming thermoplastic polymer and 1983
Grooved roller assembly for laterally stretching film1983
Chemically-impregnated microporous films1981
Apparatus for stretching a non-woven web or an orientable polymeric material1981
Product and process for stretching a tubularly formed sheet of orientable thermo1981
Process and product thereof for stretching a non-woven web of an orientable poly1980