Our current patents

L. R. Marshall, M. A. Bryner, and G. S. Huvard, U.S. Patent 8,808,594 B1 (2014). "Coform Fibrous Materials and Method for Making Same." 

J. E. Armantrout, T. Huang, L. R. Marshall, J. R. Moore, and N. Pfeiffenberger, U.S. Patent 8,303,874 (2012). "Solution spun fiber process."

T. Huang, L. R. Marshall, J. E. Armantrout, S. Yembrick, W. H. Dunn, J. M. OConnor, T. Mueller, M. Avgousti, and M. D. Wetzel, U.S. Patent 8,277,271 (2012). "Production of nanofibers by melt spinning."

G. S. Huvard, K. W. Ward, and R.P. Imbruce, U.S. Patent 8,147,760 (2012). "Portable chemical oxygen generator."

J. E. Armantrout, R. A. Marin, and L. R. Marshall, U.S. Patent 8,114,325 (2012). "Process for forming uniformly distributed material."

R. A. Marin, L. R. Marshall, and B. K. O'Rourke, U.S. Patent 8,048,513 (2011). "Flash-spun sheet material."

R. A. Marin, L. R. Marshall, and A. D. Miller, U.S. Patent 7,998,388 (2011). "Rotary process for forming uniform material."

M. McHugh, Z. Shen, D. Gee, G. Karles, J. Nepomuceno, and G. Huvard, U.S. Patent 7,935,298 (2011). "Method of producing fibers by electrospinning at high pressures."

M. A. Bryner, J. E. Armantrout, and B. S. Johnson, U.S. Patent 7,931,456 (2011). "Electroblowing web formation."

J. E. Armantrout, L. E. Manring, R. A. Marin, and L. R. Marshall, U.S. Patent 7,786,034 (2010)."Rotary process for forming uniform material."

R. A. Marin, L. R. Marshall, and B. K. O'Rourke, U.S. Patent 7,744,989 (2010). "Flash-spun sheet material."

J. E. Armantrout, J. E. Armstrong, B. S. Johnson, and M. A. Bryner, E.P. Patent 1,834,020 (2010)."Improved electoblowing web formation process."

J. E. Armantrout, M. A. Bryner, and C. B. Spiers, E.U. Patent 1,915,474 (2010). "Improved electoblowing fiber spinning process."

J. E. Armantrout, L. E. Manring, R. A. Marin, and L. R. Marshall, U.S. Patent 7,621,731 B2 (2009)."Rotary process for forming uniform material."

M. A. Bryner, J. E. Armantrout, J. E. Armstrong, and B. S. Johnson, U.S. Patent 7,585,451 (2009)."Electoblowing web formation process."

J. E. Armantrout, M. A. Bryner, and C. B. Spiers, U.S. Patent 7,582,247 (2009). "Electoblowing fiber spinning process."

R. A. Marin, L. R. Marshall, and A. D. Miller, U.S. Patent 7,582,240 B2 (2009). "Rotary process for forming uniform material."

M. A. Bryner, E.U. Patent 1,540,062 (2009). "Extremely high liquid barrier fabrics."

J. E. Armantrout, B. S. Johnson, C. A. Rude, and M. A. Bryner, U.S. Patent 7,465,159 (2008). "Fiber charging apparatus."

M. A. Bryner, J. B. Havonec, D. C. Jones, H. S. Lim, and B. L. Wiseman, U.S. Patent 7,235,122 (2007). "Filtration media for filtering particulate material from gas streams."

J. E. Armantrout, L. E. Manring, R. A. Marin, and L. R. Marshall, U.S. Patent 7,118,698 (2006)."Rotary process for forming uniform material."

J. R. Waggoner, M. Stachnik, T. A. Weston, and M. A. Bryner, U.S. Patent 6,355,333 (2002)."Construction membrane."

M. A. Bryner, D. M. Coates, M. C. Davis, T. E. Estep, R. A. Franke, L. R. Marshall, S. K. Nath, and C. W. Starke, Sr., E.P. Patent 5,788,993 (2002). "Spinneret for flash spinning."

H. S. Lim, L. R. Marshall, W. Nobbee, and J. M. Warren, U.S. Patent 6,034,008 (2000). "Flash-spun sheet material."

H. Shin, J. R. Waggoner, S. L. Samuels, M. A. Bryner, and R. F. Janis, E.U. Patent 0,877,835 (2000)."Fibers flash-spun from blends of polyolefin polymers."

H. Shin, J. R. Waggoner, S. L. Samuels, M. A. Bryner, and R. F. Janis, U.S. Patent 6,004,672 (1999)."Fibers flash-spun from blends of polyolefin polymers."

R. A. Franke, H. S. Lim, L. R. Marshall, M. P. Milone, R. G. Raty, and A. G. Vaidyanathan, U.S. Patent 5,863,639 (1999). "Nonwoven sheet products made from plexifilamentary film fibril webs."

L. R. Marshall, U.S. Patent 5,851,936 (1998). "Elongation for flash spun products."

R. A. Franke, H. S. Lim, and L. R. Marshall, U.S. Patent 5,833,900 (1998). "Process for modifying porosity in sheet made from flash spinning olefin polymer."

M. A. Bryner, D. M. Coates, M. C. Davis, T. E. Estep, R. A. Franke, L. R. Marshall, S. K. Nath, and C. W. Starke, Sr., U.S. Patent 5,788,993 (1998). "Spinneret with slotted outlet."

R. C. Agreen, W. E. Billings, R. A. Marin, J. F. Woll, O. Niederpruem, and M. A. Bryner, U.S. Patent 5,731,011 (1998). "Apparatus for forming a fibrous sheet."

G. S. Huvard and A. D. Lobo, U.S. Patent 5,378,300 (1995). "Method for removing labels adhered to diskette and de-labeling means for doing so."

M. C. Davis and M. A. Bryner, U.S. Patent 5,296,172 (1994). "Electrostatic field enhancing process and apparatus for improved web pin."

L. R. Marshall, U.S. Patent 5,123,983 (1992). "Gas management system for closely-spaced laydown jets."

G. S. Huvard, D. M. Coates, and H. Shin, U.S. Patent 5,043,109 (1991). "Process for flash-spinning dry polymeric plexifilamentary film-fibril strands."

A. R. Berens, G. S. Huvard, and R. W. Korsmeyer, U.S. Patent 4,820,752 (1989). "Process for incorporating an additive into a polymer and product produced thereby."

V. Percec, G. S. Huvard, F.L. Ramp, and L. Traynor, U.S. Patent 4,663,402 (1987). "Non-catalytic process for the preparation of difunctionalized polyarylene polyethers."

L. R. Marshall, U.S. Patent 4,352,650 (1982). "Nozzle for flash-extrusion apparatus."