Inventor
JASPER JR LOUIS J
US39 patents
⚠️ This page may combine multiple inventors who share the name “JASPER JR LOUIS J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
US ARMY
33 patentsUS5739796AApr 14, 1998
Ultra-wideband photonic band gap crystal having selectable and controllable bad gaps and methods for achieving photonic band gaps
US ARMY111 citations94
US6664734B1Dec 16, 2003
Traveling-wave tube with a slow-wave circuit on a photonic band gap crystal structures
US ARMY21 citations92
US6407708B1Jun 18, 2002
Microwave generator/radiator using photoconductive switching and dielectric lens
US ARMY20 citations92
US6175337B1Jan 16, 2001
High-gain, dielectric loaded, slotted waveguide antenna
US ARMY95 citations92
US5319218AJun 7, 1994
Pulse sharpening using an optical pulse
US ARMY44 citations92
US5313056AMay 17, 1994
Electronically controlled frequency agile impulse device
US ARMY27 citations92
US5280168AJan 18, 1994
Tapered radial transmission line for an optically activated hybrid pulser
US ARMY23 citations92
US5227621AJul 13, 1993
Ultra-wideband high power photon triggered frequency independent radiator
US ARMY41 citations92
US5192827AMar 9, 1993
Microwave projectile
US ARMY52 citations92
US5177486AJan 5, 1993
Optically activated hybrid pulser with patterned radiating element
US ARMY36 citations92
US5155352AOct 13, 1992
Optically activated sub-nanosecond hybrid pulser
US ARMY26 citations92
US4858511AAug 22, 1989
Superconductive levitated armatures for electromagnetic launchers
US ARMY24 citations92
US4753153AJun 28, 1988
Electromagnetic railgun with a non-explosive magnetic flux compression generator
US ARMY37 citations92
US4389593AJun 21, 1983
Active dielectric waveguide amplifier or oscillator using a high density charged particle beam
US ARMY22 citations82
US4858512AAug 22, 1989
Electromagnetic launcher with cryogenic cooled superconducting rails
US ARMY10 citations74
US4854215AAug 8, 1989
Electromagnetic injector/railgun
US ARMY13 citations74
US4833965AMay 30, 1989
Electromagnetic railgun/injector
US ARMY9 citations74
US4813332AMar 21, 1989
Electromagnetic launcher with cryogenic cooled superconducting rails
US ARMY15 citations74
US4760769AAug 2, 1988
High-power, rapid fire railgun
US ARMY7 citations74
US4347419AAug 31, 1982
Traveling-wave tube utilizing vacuum housing as an rf circuit
US ARMY17 citations74
US5491490AFeb 13, 1996
Photon-triggered RF radiator having discrete energy storage and energy radiation sections
US ARMY7 citations73
US5351063ASep 27, 1994
Ultra-wideband high power photon triggered frequency independent radiator with equiangular spiral antenna
US ARMY19 citations73
US5283584AFeb 1, 1994
High power photon triggered ultra-wideband RF radiator with opposite apertures
US ARMY11 citations73
US5148251ASep 15, 1992
Photoconductive avalanche GaAs switch
US ARMY7 citations73
US5005462AApr 9, 1991
Laser controlled semiconductor armature for electromagnetic launchers
US ARMY18 citations73
US4621218ANov 4, 1986
Transverse field interaction multibeam amplifier
US ARMY14 citations71
US4612476ASep 16, 1986
Broadband transverse field interaction continuous beam amplifier
US ARMY9 citations70
US3971966AJul 27, 1976
Planar ring bar travelling wave tube
US ARMY7 citations68
USH1443HJun 6, 1995
Optically activated multi-frequency high power RF generation utilizing a wafer-scale Si-GaAs substrate
US ARMY2 citations63
US4840106AJun 20, 1989
Electromagnetic injector/railgun
US ARMY5 citations63
US4831913AMay 23, 1989
Projectile with a detachable header for electromagnetic launcher
US ARMY2 citations63
US5262657ANov 16, 1993
Optically activated wafer-scale pulser with AlGaAs epitaxial layer
US ARMY6 citations62
US4829261AMay 9, 1989
Circuitless electron beam amplifier (CEBA)
US ARMY2 citations62
JASPER JR LOUIS J
4 patentsUS4820688AApr 11, 1989
Traveling wave tube oscillator/amplifier with superconducting RF circuit
JASPER JR LOUIS J31 citations92
US5030914AJul 9, 1991
Electron paramagnetic resonance instrument with superconductive cavity
JASPER JR LOUIS J17 citations73
US4674513AJun 23, 1987
Active microwave cavity for electron paramagnetic resonance (EPR) apparatus
JASPER JR LOUIS J17 citations73
US5197151AMar 30, 1993
Variable volume flushing device for water conservation
JASPER JR LOUIS J6 citations62