QuesTek has extensive experience with utilizing our Integrated Computational Materials Engineering (ICME) methodologies combined with our own Materials by Design technology to rapidly develop new high performance alloys, coatings and other materials.

Below you will find a list of granted and pending patents for QuesTek alloys and technologies by the United States Patent and Trademark Office (with links to the patent document). QuesTek also makes foreign filings in relevant countries to protect our intellectual property outside of the U.S.

For questions regarding any of the patents listed below, or about the commercial status and availability of any materials that were developed under each patent, please contact our current staff.

List of US patents granted covering QuesTek commercial products.

  • Ferrium C61 (Advanced Case Carburizing Secondary Hardening Steels, Priority Date in 1998) US6485582
  • Ferrium C61 (Advanced Case Carburizing Secondary Hardening Steels, Priority Date in 1998) US6464801
  • Ferrium C61 (Advanced Case Carburizing Secondary Hardening Steels, Priority Date in 1998) US6635126
  • Ferrium C61 (Advanced Case Carburizing Secondary Hardening Steels, Priority Date in 1998) US6176946
  • Ferrium C64 (Secondary-Hardening Gear Steel, Priority Date in 2007) US8801872
  • Ferrium M54 (Lower-Cost Ultra-High Strength High-Toughness Steel, Priority Date in 2008) US9051635
  • Ferrium S53 (Nanocarbide Precipitation Strengthened Ultrahigh Strength, Corrosion Resistant, Structural Steels, Priority Date in 2001) US7235212
  • Ferrium S53 (Nanocarbide Precipitation Strengthened Ultrahigh Strength, Corrosion Resistant, Structural Steels, Priority Date in 2001) US7160399
  • Ferrium S53 (Nanocarbide Precipitation Strengthened Ultrahigh Strength, Corrosion Resistant, Structural Steels, Priority Date in 2001) US7967927
  • Ferrium PH48S (Martensitic Stainless Steel Strengthened by Ni3Ti y-Phase Precipitation, Priority Date in 2005) US7879159
  • Ferrium C69 (Case Hardened Dies For Improved Die Life, Priority Date in 1998) US6491767
  • Ferrium C69 (Case Hardened Dies For Improved Die Life, Priority Date in 1998) US6379475
  • Ferrium CS62 (Case Hardened Steel Blades For Sports Equipment and Method of Manufacture, Priority Date in 1998) US6458220
  • Cuprium (Lead-Free, High-Strength, High Lubricity Copper Alloys, Priority Date in 2009) US8518192

  • Titanium SMA Alloy (Coherent Nanodispersion-Strengthened Shape-Memory Alloys, Priority Date in 2013) US7316753

 

List of US patents pending covering QuesTek commercial products.