Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Device for selectively pressurizing or evacuating a chamber with an oscillating air source by metering air through a valve system and a device for drawing into, retaining and evacuating material from a chamber

Device for selectively pressurizing or evacuating a chamber with an oscillating air source by metering air through a valve system and a device for drawing into, retaining and evacuating material from a chamber

US Patent 5485779 · Granted Jan 23, 1996

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Systems and methods for alerting users to device low battery states2021
Methods and systems for determining conversation quality2017
System for, and method of, configuring electro-optical reader as a keyboard devi2015
Arrangement for and method of managing a soft keyboard on a mobile terminal conn2014
Method to differentiate aiming from active decoding2013
Attenuation and termination circuit using impedance synthesis2013
Low voltage electrolysis of water2013
Attenuation and termination circuit using impedance synthesis2010
Digital photography device2009
Encryption device2009
Digital video recorder device2007
Digital photography apparatus2007