Clint Seward

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Clint Seward
Born (1944-12-00)December 0, 1944 Template:Error Template:Error
Residence MA, MA
Nationality USA
Known for Electron, Plasma, Toroidal Ring, Vortex Theory
Scientific career
Fields Electrical Engineer, Inventor

D. Clint Seward is the discoverer of the Electron Spiral Toroid (EST) and received the initial patents. He has been a research project and program manager for many years, working initially with the US Air Force B-58 Hustler program, and as a project manager and engineering manager in several major corporations. He has been a general manager for a division of a large international company, and president of his own company for more than ten years. Seward is the VP Engineering of Electron Power Systems. He has worked on the technology since its inception in 1986. He has the responsibility for organizing the experiments and bringing qualified people in to help with the work.


  • BS, USMA at West Point 1963
  • MSEE, U of Michigan, 1965
  • MSEE, Massachusetts Institute of Technology, 1994


  • Chen, C., Pakter, R., Seward, D. C. (2001). "Equilibrium and Stability Properties of Self-Organized Electron Spiral Toroids", Physics of Plasmas, Vol. 8, No. 10, pp. 4441-4449. October 2001.
  • Guss, William J., Chen, C. (2002). ?Equilibrium of Self-Organized Electron Spiral Toroids.? Accepted for publication in Physics of Plasmas, Will publish August 2002.
  • Seward, C., Chen, C., Guss, W., Seward, DC. (2002). "Electron Spiral Toroid (EST) for Energy Storage", Final report for DTRA contract no. DTRA01-99-C-0095.
  • Seward, C., Chen, C., Ware, K. (2001). "Ball Lightning Explained as a Stable Plasma", PPPS-2001 Pulsed Power Plasma Science Conference. June 2001.
  • Seward, D. C., Chen, C. Temkin, R. (2000). Energy Storage Device; US Patent 6,140,752.
  • Seward, D. C (1999). Low cost space transportation using a stable plasma for energy storage. Final Report, NASA Institute for Advanced Concepts, contract no. NIAC CP 98-01. Web Address:; click on studies 9801, click on final report, Seward.
  • Seward, D. C. (1998). Electron Spiral Toroid; US Patent 5,773,919; June 30, 1998.
  • [Low-Cost%20Space%20Transportation%20 Low-Cost Space Transportation Using Electron Spiral Toroid (EST) Propulsion]
  • Theoretical Analysis of the Electron Spiral Toroid Concept: an Update June, 2002