Inventor
WALKER DAVID K
US19 patents
⚠️ This page may combine multiple inventors who share the name “WALKER DAVID K”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MILLITECH CORP
6 patentsUS5227800AJul 13, 1993
Contraband detection system
MILLITECH CORP363 citations97
US5202692AApr 13, 1993
Millimeter wave imaging sensors, sources and systems
MILLITECH CORP161 citations97
US5073782ADec 17, 1991
Contraband detection system
MILLITECH CORP227 citations97
US4910523AMar 20, 1990
Micrometer wave imaging device
MILLITECH CORP162 citations97
US4901084AFeb 13, 1990
Object detection and location system
MILLITECH CORP100 citations94
US5145809ASep 8, 1992
Fabrication of gunn diode semiconductor devices
MILLITECH CORP22 citations92
HOECHST CELANESE CORP
4 patentsUS5114996AMay 19, 1992
Stabilized talc-filled polyester compositions
HOECHST CELANESE CORP15 citations73
US5114997AMay 19, 1992
Stabilized talc-filled polyester compositions
HOECHST CELANESE CORP16 citations73
US5114998AMay 19, 1992
Stabilized talc-filled polyester compositions
HOECHST CELANESE CORP17 citations73
US5114995AMay 19, 1992
Stabilized talc-filled polyester compositions
HOECHST CELANESE CORP16 citations73
SEPARATION DESIGN GROUP LLC
3 patentsUS9199055B2Dec 1, 2015
Ultra rapid cycle portable oxygen concentrator
SEPARATION DESIGN GROUP LLC18 citations88
US9492781B2Nov 15, 2016
Portable oxygen enrichment device and method of use
SEPARATION DESIGN GROUP LLC9 citations81
US9993765B2Jun 12, 2018
Portable oxygen enrichment device and method of use
SEPARATION DESIGN GROUP LLC2 citations70