Porous structures and process for the manufacture thereof

Porous substrates, articles, systems and compositions...

Porous support core for disposable tube filter

Porous water filtration membrane of vinylidene fluoride...

Portable air filter assembly with pulse jet self-cleaning...

Portable air filtration apparatus

Portable breathing zone air cleaner

Portable clean air supply assembly for designated volume air...

Portable compact ultra high purity water system via direct...

Portable gas fractionalization system

Portable gravity operated filter

Portable oxygen concentration system and method of using the...

Portable oxygen concentrator

Portable oxygen concentrator

Portable still

Portable stills and particularly in light-weight portable...

Portable water filtration device

Portable water purification device

Portable water purification system

Portable water purification system