David K. Walker — 15 Patents at Millitech

David K. Walker has been granted 15 US patents while listed as an inventor at Millitech. The first was granted in 1982 and the most recent in June 2022. David K. Walker ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list David K. Walker in Waynesburg, PA, US.

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #	Title	Co-Inventors	Date
11369768	Ultra rapid cycle portable oxygen concentrator	Stephen Douglas Galbraith, Kenneth J. McGowan, Evonne A. Baldauff, Elise N. DePetris	2022-06-28
11278697	Ultra rapid cycle portable oxygen concentrator	Stephen Douglas Galbraith, Kenneth J. McGowan, Evonne A. Baldauff, Elise N. DePetris	2022-03-22
9993765	Portable oxygen enrichment device and method of use	Stephen Douglas Galbraith, Kenneth J. McGowan, Elise N. DePetris, Judith C. Galbraith	2018-06-12
9492781	Portable oxygen enrichment device and method of use	Stephen Douglas Galbraith, Kenneth J. McGowan, Elise N. DePetris, Judith C. Galbraith	2016-11-15
9199055	Ultra rapid cycle portable oxygen concentrator	Stephen Douglas Galbraith, Elise N. DePetris	2015-12-01
8894751	Ultra rapid cycle portable oxygen concentrator	Stephen Douglas Galbraith, Kenneth J. McGowan, Evonne A. Baldauff, Elise Galbraith, Robert B. LaCount	2014-11-25
8888902	Portable oxygen enrichment device and method of use	Stephen Douglas Galbraith, Kenneth J. McGowan, Elise N. DePetris, Judith C. Galbraith	2014-11-18
5227800	Contraband detection system	G. Richard Huguenin, Paul F. Goldsmith, Naresh C. Deo	1993-07-13
5202692	Millimeter wave imaging sensors, sources and systems	Richard G. Huguenin, Paul F. Goldsmith, Naresh C. Deo	1993-04-13
5145809	Fabrication of gunn diode semiconductor devices	—	1992-09-08
5073782	Contraband detection system	G. Richard Huguenin, Paul F. Goldsmith, Naresh C. Deo	1991-12-17
4910523	Micrometer wave imaging device	Richard G. Huguenin, Paul F. Goldsmith, Naresh C. Deo	1990-03-20
4901084	Object detection and location system	Richard G. Huguenin, Paul F. Goldsmith, Naresh C. Deo	1990-02-13
4759759	Bubble heart valve	Richard T. Brownlee, Denton E. Hewgill, Lawrence N. Scotten, Roberto Racca	1988-07-26
4340977	Catenary mitral valve replacement	Richard T. Brownlee, Lawrence N. Scotten	1982-07-27

David K. Walker — 15 Patents

Issued Patents All Time

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