Collection

Patents

96 current filings monitored live, plus 40 carried forward from the historical catalog — one collection that keeps growing.

OriginAnywhere · 136Federal · 136Outside · 0— every published patent here is government-owned. Non-federal filings exist in the archive but have not been reviewed for publication yet.

Viewing 2650 of 136

Historical · 6830728Expired

Device and method for pneumatic gas sampling for gas sensors

U.S. Navy

Filed Jun 28, 2001 · Granted Dec 14, 2004

Historical · 6817297Expired

Low-cost, no-fragment explosive access tool

U.S. Navy

Filed Sep 29, 2003 · Granted Nov 16, 2004

Historical · 6766744Expired

Incendiary device

U.S. Army

Filed Jan 14, 2003 · Granted Jul 27, 2004

Historical · 6751580Expired

Tornado recognition system and associated methods

U.S. Navy

Filed May 5, 2000 · Granted Jun 15, 2004

Historical · 6748609Expired

Closure device for a protective suit

U.S. Navy

Filed Apr 28, 2003 · Granted Jun 15, 2004

Historical · 6731804Expired

Thermal luminescence liquid monitoring system and method

U.S. Army

Filed Sep 28, 2000 · Granted May 4, 2004

Historical · 6686680Expired

Method and apparatus for regulating electron emission in field emitter devices

U.S. Navy

Filed Jan 13, 2003 · Granted Feb 3, 2004

Historical · 6641773Expired

Electro spinning of submicron diameter polymer filaments

U.S. Army

Filed Jan 10, 2001 · Granted Nov 4, 2003

Historical · 6513054Expired

Asynchronous parallel arithmetic processor utilizing coefficient polynomial arithmetic (CPA)

U.S. Army

Filed Feb 22, 2000 · Granted Jan 28, 2003

Historical · 6470214Expired

Method and device for implementing the radio frequency hearing effect

U.S. Air Force

Filed Dec 13, 1996 · Granted Oct 22, 2002

Historical · 6418932Expired

Convertible patient isolation pod

U.S. Army

Filed Feb 12, 2001 · Granted Jul 16, 2002

Historical · 6407539Expired

Apparatus and method for determining lightning protection of a building

U.S. Army

Filed Nov 9, 2000 · Granted Jun 18, 2002

Historical · 6266428Expired

System and method for remote detection of hazardous vapors and aerosols

U.S. Army

Filed Feb 6, 1998 · Granted Jul 24, 2001

Historical · 6241164Expired

Effervescent liquid fine mist apparatus and method

U.S. Navy

Filed Aug 31, 2000 · Granted Jun 5, 2001

Historical · 6240742Expired

Modular portable air-conditioning system

U.S. Navy

Filed Dec 1, 1999 · Granted Jun 5, 2001

Historical · 6232931Expired

Opto-electronically controlled frequency selective surface

U.S. Navy

Filed Feb 19, 1999 · Granted May 15, 2001

Historical · 6224898Expired

Antimicrobial dendrimer nanocomposites and a method of treating wounds

U.S. Army

Filed Mar 23, 2000 · Granted May 1, 2001

Historical · 6145441Expired

Frangible payload-dispensing projectile

U.S. Navy

Filed Apr 2, 1998 · Granted Nov 14, 2000

Historical · 6132356Expired

Portable system for vapor, aerosol or airborne hazard suppression of hazardous environmental spills

U.S. Army

Filed Oct 15, 1998 · Granted Oct 17, 2000

Historical · 5996503Expired

Reusable gas-powered hand grenade

U.S. Navy

Filed Apr 27, 1998 · Granted Dec 7, 1999

Historical · 5520331Expired

Liquid atomizing nozzle

U.S. Navy

Filed Sep 19, 1994 · Granted May 28, 1996

Historical · 5003050Expired

Diazoluminomelanin and a method for preparing same

U.S. Air Force

Filed Mar 7, 1990 · Granted Mar 26, 1991

Live · 20260110529 New

Reflective focused laser differential interferometer

U.S. Air Force

Filed Sep 29, 2025

Live · 20260031747 New

Electroadhesive Polymers and Clutch Using the Johnsen-Rahbek Effect

U.S. Army

Filed Jul 26, 2024

Live · 20250338640 New

Low resistance light controlled semiconductor switch (lcss)

U.S. Navy

Filed Jul 2, 2025