Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › An inhalation device and method having a variably restrictable air inlet that allows the inhalation force required to overcome a locking element to be changed

An inhalation device and method having a variably restrictable air inlet that allows the inhalation force required to overcome a locking element to be changed

US Patent 5355873 · Granted Oct 18, 1994

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method, infusion container, and preparation device for preparing an infusion bev2020
Nebuliser device for an inhaler apparatus and inhaler apparatus with such nebuli2007
Brewing bag for a filter coffee brewing device2003
Active electro-optical filter device and glare-protection device2001
Process for producing a valve-and-lid assembly1985
Self-closing valve-and-lid assembly1985
Self-closing valve-and-lid assembly1984
Valve-and-lid assembly for a container1983
Hand-held device for the local heat-treatment of the skin1983
Closure membrane1980