Assignee
APTI INC
US31 patents
Top patents by PatentIndex Score
US5883602AMar 16, 1999
Wideband flat short foci lens antenna
APTI INC61 citations96
US5379103AJan 3, 1995
Method and apparatus for in situ detection of minute amounts of trace elements
APTI INC66 citations95
US5293176AMar 8, 1994
Folded cross grid dipole antenna element
APTI INC68 citations94
US6472950B1Oct 29, 2002
Broadband coupled-line power combiner/divider
APTI INC43 citations92
US5218374AJun 8, 1993
Power beaming system with printer circuit radiating elements having resonating cavities
APTI INC73 citations92
US5068669ANov 26, 1991
Power beaming system
APTI INC64 citations92
US4686605AAug 11, 1987
Method and apparatus for altering a region in the earth's atmosphere, ionosphere, and/or magnetosphere
APTI INC32 citations92
US6733439B2May 11, 2004
Centering mechanism for probe
APTI INC20 citations91
US6529769B2Mar 4, 2003
Apparatus for performing hyperspectral endoscopy
APTI INC20 citations91
US5041834AAug 20, 1991
Artificial ionospheric mirror composed of a plasma layer which can be tilted
APTI INC22 citations91
US6606932B2Aug 19, 2003
Method and apparatus for neutralization of mines and obstacles
APTI INC17 citations90
US6591731B2Jul 15, 2003
Method and apparatus for penetrating hard materials using a energetic slurry
APTI INC18 citations90
US6300914B1Oct 9, 2001
Fractal loop antenna
APTI INC109 citations90
US5950736ASep 14, 1999
Method and apparatus for improving drilling efficiency by application of a traveling wave to drilling fluid
APTI INC36 citations90
US5796372AAug 18, 1998
Folded cross grid dipole antenna
APTI INC35 citations90
US5418544AMay 23, 1995
Stacked crossed grid dipole antenna array element
APTI INC36 citations90
US4817495AApr 4, 1989
Defense system for discriminating between objects in space
APTI INC25 citations90
US5416486AMay 16, 1995
Identification/security tag system employing electronic doppler shifting and/or rectenna structure
APTI INC47 citations88
US6121853ASep 19, 2000
Broadband coupled-line power combiner/divider
APTI INC17 citations84
US4999637AMar 12, 1991
Creation of artificial ionization clouds above the earth
APTI INC20 citations82
US6466021B1Oct 15, 2002
Deep underground imaging utilizing resistivity regularization for magnetotelluric processing
APTI INC24 citations80
US4873928AOct 17, 1989
Nuclear-sized explosions without radiation
APTI INC12 citations74
US6405628B1Jun 18, 2002
Method and apparatus for penetrating hard materials
APTI INC6 citations71
US5808349ASep 15, 1998
Magnetized photoconductive semiconductor switch
APTI INC11 citations71
US5202689AApr 13, 1993
Lightweight focusing reflector for space
APTI INC18 citations71
US6363853B1Apr 2, 2002
Electrically initiated distributed igniter
APTI INC12 citations69
US4712155ADec 8, 1987
Method and apparatus for creating an artificial electron cyclotron heating region of plasma
APTI INC9 citations68
US5953119ASep 14, 1999
Optical shutter assembly for trace element detector
APTI INC7 citations65
US5038664AAug 13, 1991
Method for producing a shell of relativistic particles at an altitude above the earths surface
APTI INC5 citations62
US6324956B1Dec 4, 2001
Method and apparatus for neutralization of mines and obstacles
APTI INC3 citations60
US4954709ASep 4, 1990
High resolution directional gamma ray detector
APTI INC6 citations51