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yellow polyurethane parts

Polyurethane Design Patents


     The needs of our customers have led Whitefield Plastics to develop new technologies and designs that combine the properties of various materials to improve the performance of the final product.  Designing for operation environment, improved performance, reduced complexity, loading conditions, and human interference have resulted in unique designs, many of which are polyurethane design patents. 

Drilling Riser Clamp- U.S. Patent No. 9,784,042 

  • A unique design that only uses one bolt to support up to six auxiliary lines on a drilling riser. 


Bend Stiffener Termination- U.S. Patent No. 100,244,82 

  • Replaces a tradition metallic termination with a non-metallic termination that allows for the organization of the individual hoses and lines 

Clip Vertebrae Bend Restrictor- U.S. Patent No. D829179 

U.S. Patent No. 10,100,965 - Australian Patent No 2017396425 

  • An innovative way to connect the two halves of a VBR that result in a system that has no metallic content. 


Clip Connection System- U.S. Patent No 10428993 

  • Using the data and field success of the clip VBR system the technology was further refined for use in other applications where it is desirable to eliminate traditional bolted connections and their inherent drawbacks.