Patents Issued

[1] N. J. Fisch, System and Method for Generating Steady-State Confining Current for a Toroidal Plasma Fusion Reactor, U.S. Patent 4,292,124, issued September, 1981.

[2] N. J. Fisch, System and Method for Generating Current by Selective Minority Species Heating, U.S. Patent No. 4,423,001, issued December 27, 1983.

[3] N. J. Fisch and A. H. Boozer, System and Method for Generating Current by Selective Electron Heating , U.S. Patent No. 4,425,295, Issued January 10, 1984.

[4] N. J. Fisch, Current-Drive With Oscillating Resistivity, U.S. Patent No. 4,615,861, issued October 7, 1986.

[5] R. J. Chimenti and N. J. Fisch, Electrophoretic Separation of Dispersed Phase Contaminants in Liquids, US Patent Application Serial No. 814,381 (Filed December 30, 1985), U.S. Patent No. 5,106,468, issued April 21, 1992.

[6] N. J. Fisch and A. H. Kritz, Method and Apparatus for Measuring Plasma Parameters in a Tokamak, (Filed February 27,1990), U.S. Patent No. 5,120,487, issued June 9, 1992.

[7] N. J. Fisch and J.-M. Rax, Apparatus and Method for Extracting Power from Energetic Ions Produced in Nuclear Fusion, US Patent Application 8,095,560 (filed: July 26, 1993), US Patent No. 5,375,149, issued December 20, 1994.

[8] Y. Raitses and N. J. Fisch, Cylindrical Geometry Hall Thruster, US Patent Application 09/834,397; Filed April 13, 2001. US Patent No. 6,448,721, issued September 10, 2002.

[9] N. J. Fisch and Y. Raitses, Segmented Electrode Hall Thruster with Reduced Plume, (Filed April 13, 2001), US patent 6,777,862, issued August 17, 2004.

[10] K. D. Diamant, Y. Raitses, and N. J. Fisch,  Systems and Methods for Cylindrical Hall Thrusters with Independently Controllable Ionization and Acceleration Stages, (Filed February 25, 2011), US patent 8,723,422, issued May 13, 2014.

[11] V. Geyko and N. J. Fisch,  Otto and Diesel Cycles Employing Spinning Gas, (Filed March 26, 2015), US Patent No. 10,450,943, issued October 22, 2019.