Intellectual Property & Patents

The Industry Leader in Innovation.

Tangent didn’t create plastic lumber, we just perfected it. Through over 100 years of combined experience in the industry, Tangent’s team has continued to drive the plastic lumber industry forward. Our patented technology and products give you the strength, durability, and aesthetics only found in Tangent Materials.

When it comes to alternative materials, there is no alternative.

The following products are protected by patents in the U.S. and elsewhere for Tangent Technologies, LLC.  This website is intended to serve as notice under 35 USC (United States Code) § 287(a).  United States patents and associated articles/products are listed below.  By listing various patents and products herein, Tangent makes no admission that other relevant patents and/or patented Tangent products do not exist.  Additional Tangent U.S. and non-U.S. patents may exist and additional Tangent patent applications may be pending in the U.S. and outside the U.S.  Tangent does not mark all of its patents.  Patented articles may be sold as a unit, or in components, or as a part of a combination product or system, and the associated patent numbers would apply.


Current Patents:

Product Name Patent No.
Dimensional Lumber Woodgrain

Patent-protected woodgrain colors:

  • Antique Mahogany
  • Birchwood
  • Brazilian Walnut
  • Coastal Gray
  • Driftwood Gray
  • Natural Teak
  • Walnut
  • Seashell
US D819234S (May 29, 2018)

US D819235S (May 29, 2018)

US D819236S (May 29, 2018)

US D827869S (September 4, 2018)

US 10,981,350 (April 20, 2021)