Public Use Patents

Public domain technologies

Patents available to the public for free use.

These patents are no longer being maintained as part of Sandia’s Intellectual Property portfolio and represent an opportunity for industry, researchers, and academia to benefit from this research and development. These technologies are free to use as is and do not require a license agreement.

23 Patents/Applications
Portfolio
Title
Patent
SD
Date
Microelectronics & MEMSScanning fluorescent microthermal imaging apparatus and method 5,705,821 5798.001/06/1998
Microelectronics & MEMSSemiconductor structures having electrically insulating and conducting portions formed from an AlSb-alloy layer 5,726,462 5741.003/10/1998
Microelectronics & MEMSUse of chemical mechanical polishing in micromachining 5,804,084 5866.009/08/1998
Energy & EnvironmentGaAs photoconductive semiconductor switch 5,804,815 5706.009/08/1998
Materials, Chemistry, & NanoscienceMethod of processing "BPS" glass ceramic and seals made therewith 5,820,989 5672.010/13/1998
Microelectronics & MEMSMethod of and apparatus for determining deposition-point temperature 5,827,952 5903.010/27/1998
Microelectronics & MEMSCalorimetric gas sensor 5,834,627 5913.011/10/1998
Microelectronics & MEMSMagnetically excited flexural plate wave apparatus 5,836,203 5837.011/17/1998
BioscienceContinuous flow dielectrophoretic particle concentrator 7,204,923 8347.004/17/2007
BioscienceVesicle-based method and apparatus for collecting, manipulating, and chemically processing trace macromolecular species 7,338,796 8462.103/04/2008
BioscienceDielectrophoresis device and method having insulating ridges for manipulating particles 7,347,923 8480.003/25/2008
BioscienceApparatus for producing a thin sample band in a microchannel system 7,371,310 8263.105/13/2008
BioscienceDielectrophoresis device and method having non-uniform arrays for manipulating particles 7,419,574 8481.009/02/2008
BioscienceMethods and devices for high-throughput dielectrophoretic concentration 7,666,289 8554.102/23/2010
BioscienceInsulator-based DEP with impedance measurements for analyte detection 7,678,256 10477.003/16/2010
BioscienceVesicle-based method for collecting, manipulating, and chemically processing trace macromolecular species 7,776,357 8462.208/17/2010
BioscienceConcentration and separation of biological organisms by ultrafiltration and dielectrophoresis 7,811,439 8597.110/12/2010
Materials, Chemistry, & NanoscienceSingle-layer transition metal sulfide catalysts 7,951,747 11218.005/31/2011
BioscienceMicrofluidic devices and methods for integrated flow cytometry 7,999,937 11030.108/16/2011
BioscienceDielectrophoresis device and method having nonuniform arrays for manipulating particles 8,257,571 09/04/2012
BioscienceMethod for concentration and separation of biological organisms by ultrafiltration and dielectrophoresis 8,257,568 09/04/2012
BioscienceDielectrokinetic chromatography and devices thereof 8,702,946 04/22/2014
BioscienceDielectrokinetic chromatography devices 8,911,606 12/16/2014