John R. Crigler
12Patents
6h-index
18Co-inventors
63Inventor score
Filing activity: Oct 14, 1987 → Mar 24, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4918887A | Protective tendon tensioning anchor assemblies | Fixed Constructions | 28 | Expired |
| US5939003A | Post-tensioning apparatus and method | Fixed Constructions | 17 | Expired |
| US9982434B1 | Encapsulated anchor devices, systems, and methods | Fixed Constructions | 9 | Active |
| US6610399B1 | Multi-layer, thermal protection and corrosion protection coating system for metallic tendons, especially for external post-tensioning systems | Emerging Cross-Sectional Technologies | 9 | Expired |
| US8596917B2 | System for repairing and strengthening pipe with internal helically wound tensile reinforcement | Performing Operations; Transporting | 8 | Active |
| US5596854A | Post-tensioning anchor head assembly | Fixed Constructions | 7 | Expired |
| US5971669A | Mechnically stabilized retaining wall system having adjustable connection means for connecting precast concrete facing panels thereto | Emerging Cross-Sectional Technologies | 6 | Expired |
| US8678043B2 | Method for repairing and strengthening pipe with internal helically wound tensile reinforcement | Performing Operations; Transporting | 4 | Active |
| US9879804B2 | Duct coupler devices, systems, and related methods | Fixed Constructions | 1 | Active |
| US11473302B2 | Segmental duct coupler devices, systems, and methods | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US6209274A | Vent flow apparatus and method | Fixed Constructions | 0 | Expired |
| US12305343B2 | In-line damping systems and methods | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.