JC

John R. Crigler

ST Structural Technologies: 5 patents #1 of 17Top 6%
VA Vsl International Ag: 3 patents #5 of 52Top 10%
LF L.B. Foster: 1 patents #8 of 30Top 30%
VL Vsl Limited: 1 patents #3 of 8Top 40%
Overall (All Time): #397,149 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12305343 In-line damping systems and methods Robert William Sward, Eric Sommer, Justin Malcolm Campbell, Christopher Daryl Ledford, Simon Ruas 2025-05-20
11473302 Segmental duct coupler devices, systems, and methods Gregory A. Hunsicker, Zuming Xia 2022-10-18
9982434 Encapsulated anchor devices, systems, and methods Gregory A. Hunsicker 2018-05-29
9879804 Duct coupler devices, systems, and related methods Gus Dean Hammonds, Robert William Sward, Gregory A. Hunsicker 2018-01-30
8678043 Method for repairing and strengthening pipe with internal helically wound tensile reinforcement Peter H. Emmons, Michael R. Moussa, Dan A. Dock, Scott V. Bauer, Nathan D. Sauer 2014-03-25
8596917 System for repairing and strengthening pipe with internal helically wound tensile reinforcement Peter H. Emmons, Michael R. Moussa, Dan A. Dock, Scott V. Bauer, Nathan D. Sauer 2013-12-03
6610399 Multi-layer, thermal protection and corrosion protection coating system for metallic tendons, especially for external post-tensioning systems 2003-08-26
6209274 Vent flow apparatus and method 2001-04-03
5971669 Mechnically stabilized retaining wall system having adjustable connection means for connecting precast concrete facing panels thereto 1999-10-26
5939003 Post-tensioning apparatus and method Robert Duncan Lapsley, Donald Paul Kline, Daniel Wallace Falconer 1999-08-17
5596854 Post-tensioning anchor head assembly 1997-01-28
4918887 Protective tendon tensioning anchor assemblies Edgar A. Davis, Richard L. Watts 1990-04-24