US and INTERNATIONAL PATENTS

  1. Rotary Centrifugal and Viscous Pumps. (D. B. Blanchard, P. M. Ligrani, B. Gale). U. S. Patent Number US 2007/0059156 A1. Date of Patent (Publication Date) March 15, 2007. World Patent Number WO2005024230 A2. Date of Patent (Publication Date) March 17, 2005. World Patent Number WO2005024230 A3. Date of Patent (Publication Date) July 28, 2005.
  2. Aspherical Dimples For Heat Transfer Surfaces and Method. (T. Djeridane, T. Blaskovich, S. Sreekanth, R. Trindade, M. L. C. Papple, O. Bibor, L. Lebel, P. M. Ligrani). U. S. Patent Number US 2006/0099073 A1. Date of Patent (Publication Date) May 11, 2006. Canada Patent Number CA 2583126 A1. Date of Patent (Publication Date) May 11, 2006. World Patent Number WO2006047854 A1. Date of Patent (Publication Date) May 11, 2006.
  3. Osmotically-Driven Dispense Pump and Related Components For Use in High Pressure Applications. (T. H. Deem, P. M. Ligrani, B. Hansen). U. S. Patent Number 9447781. Date of Patent (Publication Date) September 20, 2016. U. S. Patent Number US 20080269725 A1. Date of Patent (Publication Date) October 30, 2008. World Patent Number WO2007013957 A2. Date of Patent (Publication Date) February 1, 2007. World Patent Number WO2007013957 A3. Date of Patent (Publication Date) May 24, 2007.
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