Assignee
APTI INC
US·31 granted patents·942 citations·filing 1985–2002
Top patents by PatentIndex Score
31 records- 0194US6472950B1Broadband coupled-line power combiner/dividerAPTI INC·Filed 2000·Granted Oct 29, 2002·43 cites·16 claims
- 0287US5218374APower beaming system with printer circuit radiating elements having resonating cavitiesAPTI INC·Filed 1989·Granted Jun 8, 1993·73 cites·16 claims
- 0384US5379103AMethod and apparatus for in situ detection of minute amounts of trace elementsAPTI INC·Filed 1993·Granted Jan 3, 1995·66 cites·28 claims
- 0484US5068669APower beaming systemAPTI INC·Filed 1988·Granted Nov 26, 1991·64 cites·15 claims
- 0583US6300914B1Fractal loop antennaAPTI INC·Filed 1999·Granted Oct 9, 2001·109 cites·7 claims
- 0683US5293176AFolded cross grid dipole antenna elementAPTI INC·Filed 1991·Granted Mar 8, 1994·68 cites·28 claims
- 0780US5883602AWideband flat short foci lens antennaAPTI INC·Filed 1997·Granted Mar 16, 1999·61 cites·9 claims
- 0878US6606932B2Method and apparatus for neutralization of mines and obstaclesAPTI INC·Filed 2001·Granted Aug 19, 2003·17 cites·4 claims
- 0977US6529769B2Apparatus for performing hyperspectral endoscopyAPTI INC·Filed 2001·Granted Mar 4, 2003·20 cites·7 claims
- 1075US4686605AMethod and apparatus for altering a region in the earth's atmosphere, ionosphere, and/or magnetosphereAPTI INC·Filed 1985·Granted Aug 11, 1987·32 cites·15 claims
- 1172US6591731B2Method and apparatus for penetrating hard materials using a energetic slurryAPTI INC·Filed 2002·Granted Jul 15, 2003·18 cites·14 claims
- 1271US4817495ADefense system for discriminating between objects in spaceAPTI INC·Filed 1986·Granted Apr 4, 1989·25 cites·14 claims
- 1368US5418544AStacked crossed grid dipole antenna array elementAPTI INC·Filed 1993·Granted May 23, 1995·36 cites·15 claims
- 1468US5416486AIdentification/security tag system employing electronic doppler shifting and/or rectenna structureAPTI INC·Filed 1993·Granted May 16, 1995·47 cites·14 claims
- 1566US6121853ABroadband coupled-line power combiner/dividerAPTI INC·Filed 1998·Granted Sep 19, 2000·17 cites·6 claims
- 1664US5796372AFolded cross grid dipole antennaAPTI INC·Filed 1996·Granted Aug 18, 1998·35 cites·18 claims
- 1759US6733439B2Centering mechanism for probeAPTI INC·Filed 2001·Granted May 11, 2004·20 cites·7 claims
- 1858US5950736AMethod and apparatus for improving drilling efficiency by application of a traveling wave to drilling fluidAPTI INC·Filed 1997·Granted Sep 14, 1999·36 cites·15 claims
- 1957US4999637ACreation of artificial ionization clouds above the earthAPTI INC·Filed 1987·Granted Mar 12, 1991·20 cites·11 claims
- 2056US5202689ALightweight focusing reflector for spaceAPTI INC·Filed 1991·Granted Apr 13, 1993·18 cites·24 claims
- 2155US5041834AArtificial ionospheric mirror composed of a plasma layer which can be tiltedAPTI INC·Filed 1990·Granted Aug 20, 1991·22 cites·16 claims
- 2255US4873928ANuclear-sized explosions without radiationAPTI INC·Filed 1987·Granted Oct 17, 1989·12 cites·15 claims
- 2354US6466021B1Deep underground imaging utilizing resistivity regularization for magnetotelluric processingAPTI INC·Filed 2000·Granted Oct 15, 2002·24 cites·2 claims
- 2454US6324956B1Method and apparatus for neutralization of mines and obstaclesAPTI INC·Filed 2000·Granted Dec 4, 2001·3 cites·3 claims
- 2544US6363853B1Electrically initiated distributed igniterAPTI INC·Filed 1999·Granted Apr 2, 2002·12 cites·6 claims
- 2642US5808349AMagnetized photoconductive semiconductor switchAPTI INC·Filed 1995·Granted Sep 15, 1998·11 cites·6 claims
- 2740US4712155AMethod and apparatus for creating an artificial electron cyclotron heating region of plasmaAPTI INC·Filed 1985·Granted Dec 8, 1987·9 cites·11 claims
- 2835US6405628B1Method and apparatus for penetrating hard materialsAPTI INC·Filed 1999·Granted Jun 18, 2002·6 cites·15 claims
- 2932US5038664AMethod for producing a shell of relativistic particles at an altitude above the earths surfaceAPTI INC·Filed 1985·Granted Aug 13, 1991·5 cites·7 claims
- 3032US4954709AHigh resolution directional gamma ray detectorAPTI INC·Filed 1989·Granted Sep 4, 1990·6 cites·15 claims
- 3129US5953119AOptical shutter assembly for trace element detectorAPTI INC·Filed 1998·Granted Sep 14, 1999·7 cites·18 claims
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