Patents – Nathan A. Hatcher, P.E.

Keller, A.E., Ramani, R., Allison, J.D., Lusk, S.E., Hatcher, N.A., Swinney, L.D., Shaver, R.S., "Increased Capacity Sulfur Recovery Plant and Process for Recovering Elemental Sulfur", U.S. Patent Application 20080050306, Serial No. 467453, published 28 February 2008, pending.

Keller, A.E., Ramani, R., Hatcher, N.A., Allison, J.D., Lusk, S.E., Swinney, L.D., Kirkendall, K.J., Torres, T.E., Stewart, P.D., Pruitt, T.D., "Compact Sulfur Recovery Plant and Process", U.S. Patent Application 20070297970, Serial No. 809985, published 27 December 2007, pending.

Keller, A.E., Ramani, R., Allison, F.D., Lusk, S.E., Hatcher, N.A., Swinney, L.D., Kirkendall, K.J., Torres, T.E., Stewart, P.D., Pruitt, T.D., “Compact Sulfur Recovery Plant and Process”, U.S. Patent No. 7,226,572, June 5, 2007.

Franklin, D.A., Hatcher, N.A., “Method for Removing Hydrogen Sulfide from Elemental Sulfur”, U.S. Patent No. 5,935,548, Aug 10, 1999.