R. K. Wang, R. D. Reeves, and K. J. Ziegler. Separation of Carbon Nanotube Bundles via Interfacial Trapping. 2007. Patent pending.

K.J. Ziegler, U. Rauwald, R.H. Hauge, H.K. Schmidt, R.E. Smalley, Z. Gu, and W.C. Kittrell. Bulk Cutting of Carbon Nanotubes using Electron Beam Irradition. 2006. Patent pending.

J. Shaver, K.J. Ziegler, D.J. Schmidt, R.H. Hauge, and R.E. Smalley. Ozonation of Carbon Nanotubes using Fluorocarbons. 2005. Patent pending.

K.J. Ziegler, D.J. Schmidt, R.H. Hauge, and R.E. Smalley. Scaleable Length Separation of Carbon Nanotubes via Extraction. 2005. Patent pending.