Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Mat material of melt-spun polymeric filaments having discontinuous cavities

Mat material of melt-spun polymeric filaments having discontinuous cavities

US Patent 4212915 · Granted Jul 15, 1980

Estimated economic value: $503,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method and device for manufacturing molded bodies1993
Composite matting with reinforcement1989
Process for transporting metal ions by means of microporous membranes1989
Process for transferring metal ions using microporous membranes1989
Method of separation of liquid mixture of solution by porous separating wall1988
Underground irrigation or watering of soil1988
Process and apparatus for reduction of alcohol by dialysis in fermented beverage1986
Apparatus for the production of a continuous composite material1984
Apparatus for transferring heat by means of hollow filaments, and its use in var1984
Low density matting and process1984
Hollow filament module and method and apparatus for production of the same1984
Gear wheel pump with reduced power requirement1982