Douglas Creelman, Adrian Stanese, Grace Sun, Marek Gnatowski, Mathew Leung, Ying-Hei Chui: US Patent 11,179,918 B2 – Exterior Building Component and Method for Manufacturing the Same, November 23, 2021

Daniel Ramrus, Marek Gnatowski, Mathew Leung, Grace Sun: US Patent US 2014/0302417 A1 – Epoxy Methacrylate Based Adhesive for Fuel Cell Flow Field Plates, October 9, 2014

Marek J. Gnatowski, Christine L. Mah, Gareth P. Merrick: US Patent 7,785,896 – Composite Wood Product, Methods for Manufacturing the Same and Methods for Determining Organic Biocide Concentration in a Composite Wood Product, August 31, 2010

Mark J. Manning, Marek J. Gnatowski, Christine Mah, Cecilia L. Stevens: US Patent 7,691,922
Performance Enhancement in the Stabilization of Organic Materials, April 6, 2010

Mark J. Manning, Marek J. Gnatowski: Patent Application WO2006US19821 20060522 – Co-Biocidal Formulation for Polymeric Materials, November 30, 2006

Christopher H. Weiss, Michael G. Weiss, Harley L. Weiss, Marek J. Gnatowski, Andrew Koutsandreas: US Patent 6,949,160 – Removable Protective Coating Method and Apparatus, September 27, 2005

David Fookes, Marek Jan Gnatowski, Robert Lesson Pike and Derek Alexander Templeton: US Patent 5,972,266 – Composite Products, Oct 26, 1999.

Ewa Czyzewska, Marek Jan Gnatowski, Robert Marius Knudson: CA Patent 2255490 – Vinyl Underlay Panel, June 26, 1999.

Marek Gnatowski, Andy Koutsandreas, Terry Foster, and David Fookes: US Patent 5,763,518 – Thermoplastic Photodegradable and Biodegradable Polymer Blend, June 9, 1998.

Marek Jan Gnatowski, Kenneth Kwok-Cheung Lau, and Douglas Elliot Rogerson: US Patent 5,693,409 – Trim Board, Dec. 2, 1997.

Marek Jan Gnatowski, Robert L. Pike, and Douglas E. Rogerson: US Patent 5,378,544 – Wood Composites with Light Coloured Glue Lines, Jan. 3, 1995.

Ian M. McLennan, Clifford B. Hewson, Marek Gnatowski, and Andrew Koutsandreas: US Patent 5,365,830 – Assembly for the Domestic Making of a Fermented Beverage Under Chilled Pressure Conditions, Nov. 22, 1994.

Bo S. Lindgren, John H. Borden, Marek Gnatowski, and D. McGregor: US Patent 5,281,418 – Method and Composition for Controlling Mountain Pine Beetles, Jan. 25, 1994.
Marek J. Gnatowski: US Patent 5,273,787 – Method of Protecting Wood Surfaces and a Wood Product Produced Thereby, Dec. 28, 1993.

Ian McLennan, Clifford B. Hewson, Marek Gnatowski, and Andrew Koutsandreas: US Patent 5,235,901 – Method and Apparatus for Making a Fermented Beverage, Aug. 17, 1993.
Robert M. Knudson, Marek J. Gnatowski: US Patent 4,879,083 – Chemically Treated Wood Particle Board, November 7, 1989