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James W. Purvis
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Albuquerque, NM, US
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Patents Grants
last 30 patents
Information
Patent Grant
Pulsed e-field propulsion system
Patent number
11,961,666
Issue date
Apr 16, 2024
James W. Purvis
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Segmented current magnetic field propulsion system
Patent number
10,513,353
Issue date
Dec 24, 2019
James Wayne Purvis
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Capacitive-discharge electromagnetic propulsion system
Patent number
10,135,323
Issue date
Nov 20, 2018
James Wayne Purvis
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Electromagnetic segmented-capacitor propulsion system
Patent number
10,006,446
Issue date
Jun 26, 2018
James Wayne Purvis
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Device with multiple selectable less-lethal options
Patent number
9,989,335
Issue date
Jun 5, 2018
James Wayne Purvis
F41 - WEAPONS
Information
Patent Grant
Armored garment for protecting
Patent number
7,571,493
Issue date
Aug 11, 2009
Sandia Corporation
James W. Purvis
F41 - WEAPONS
Information
Patent Grant
Device for adapting continuously variable transmissions to infinite...
Patent number
5,632,703
Issue date
May 27, 1997
Sandia Corporation
Donald F. Wilkes
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
Pulsed E-field Propulsion System
Publication number
20210159005
Publication date
May 27, 2021
James W. Purvis
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Segmented Current Magnetic Field Propulsion System
Publication number
20190168897
Publication date
Jun 6, 2019
James Wayne Purvis
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Application
DEVICE WITH MULTIPLE SELECTABLE LESS-LETHAL OPTIONS
Publication number
20170292816
Publication date
Oct 12, 2017
James Wayne Purvis
F41 - WEAPONS
Information
Patent Application
Capacitive-Discharge Electromagnetic Propulsion System
Publication number
20170264181
Publication date
Sep 14, 2017
James Wayne Purvis
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Electromagnetic Angular Acceleration Propulsion System
Publication number
20160254737
Publication date
Sep 1, 2016
James W. Purvis
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Electromagnetic segmented-capacitor propulsion system
Publication number
20160197543
Publication date
Jul 7, 2016
James Wayne Purvis
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER