Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Positive/negative air pressure adaptor for use with respirators

Positive/negative air pressure adaptor for use with respirators

US Patent 5592935 · Granted Jan 14, 1997

Estimated economic value: $12,261,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Two-way protective respirator system with positive air flow against airborne con2024
Hand tool edge tester2022
Apparatus having improved gantry assembly suitable for use in a laboratory envir2013
Method and system for transporting and storing multiple reagent packs and reagen2011
Apparatus having improved gantry assembly suitable for use in a laboratory envir2010
Method and system for transporting and storing multiple reagent packs and reagen2009
Sample presentation unit2004
Method and system for transporting and storing multiple reagent packs and reagen2004
Film supply system for use with a photosensitive film imager2001
Cap2000
Cap2000
Film supply system for use with a photosensitive film imager2000