Don Hendricks assists the Electrical & Computer Technologies Group in patent prosecution. He has 25+ years’ experience as a registered Patent Agent. His areas of focus include signal processing, printing technologies, autonomous vehicles, robotics, wireless communication systems, financial transaction systems, risk management and job placement systems, imaging systems, cloud services, security systems and methods, manufacturing processes, masonry production systems and processes, mechanical devices, and other EE/CS technologies. Don co-founded a niche, technology driven company, Polar Spring Corporation.

Prior to joining Wolf Greenfield, Don worked as a Patent Agent at an international law firm, where he prepared and prosecuted US and PCT applications for a wide array of technical areas.


  • Hendricks, Donald; Conlon P.E., Dr. William, “Melt System for a Countertop Water Treatment Appliance using Directional Freeze Crystallization,” 44th International Appliance Technical Conference, 1993.
  • Hendricks, Donald; Conlon P.E., Dr. William, “Purified Water Dispensers for Refrigerators”, 40th International Appliance Technical Conference, 1989.
  • Hendricks, Donald; Chang, C.N.; Digumarthi, R.V.; Hamill, J.J.; Jones, J.L., “Development of Improvements to Cheng Cycle Systems for Utility Use” Final report for work performed with PG&E, 1985.
  • Hendricks, Donald; Chang, C.N.; Conlon, William M., 1990, Method and means for Optimizing Batch Crystallization for Purifying Water, EP Publication No. 0378166 A2.
  • Hendricks, Donald; Chang, Chung-Nan; Conlon, William M., 1990, Method and means for Optimizing Batch Crystallization for Purifying Water, U.S. Patent No. 4,954,151.
  • Hendricks, Donald; Conlon, William M., 1992, Melt System for Liquid Purification Batch Crystallization, U.S. Patent No. 5,113,664.


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Don Hendricks assists the Electrical & Computer Technologies Group in patent prosecution. He has 25+ years’ experience as a registered Patent Agent. His areas of focus include signal processing, printing technologies, autonomous vehicles, robotics, wireless communication systems, financial transaction systems, risk management and job placement systems, imaging systems, cloud services, security systems and methods, manufacturing processes, masonry production systems and processes, mechanical devices, and other EE/CS technologies. Don co-founded a niche, technology driven company, Polar Spring Corporation.

Prior to joining Wolf Greenfield, Don worked as a Patent Agent at an international law firm, where he prepared and prosecuted US and PCT applications for a wide array of technical areas.
  • Hendricks, Donald; Conlon P.E., Dr. William, “Melt System for a Countertop Water Treatment Appliance using Directional Freeze Crystallization,” 44th International Appliance Technical Conference, 1993.
  • Hendricks, Donald; Conlon P.E., Dr. William, “Purified Water Dispensers for Refrigerators”, 40th International Appliance Technical Conference, 1989.
  • Hendricks, Donald; Chang, C.N.; Digumarthi, R.V.; Hamill, J.J.; Jones, J.L., “Development of Improvements to Cheng Cycle Systems for Utility Use” Final report for work performed with PG&E, 1985.
  • Hendricks, Donald; Chang, C.N.; Conlon, William M., 1990, Method and means for Optimizing Batch Crystallization for Purifying Water, EP Publication No. 0378166 A2.
  • Hendricks, Donald; Chang, Chung-Nan; Conlon, William M., 1990, Method and means for Optimizing Batch Crystallization for Purifying Water, U.S. Patent No. 4,954,151.
  • Hendricks, Donald; Conlon, William M., 1992, Melt System for Liquid Purification Batch Crystallization, U.S. Patent No. 5,113,664.