Norris Hayes
14Patents
9h-index
6Co-inventors
65Inventor score
Filing activity: Jan 23, 1990 → May 3, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5072558A | Post-tension anchor system | Fixed Constructions | 73 | Expired |
| US7275347B2 | Post-tension anchor seal cap | Emerging Cross-Sectional Technologies | 27 | Expired |
| US7174685B2 | Pocket former for post-tension anchor | Fixed Constructions | 25 | Expired |
| US7726082B2 | Anchor wedge configuration for tendon anchors | Fixed Constructions | 19 | Expired |
| US7360342B2 | Anchor wedge for post tension anchor system and anchor system made therewith | Fixed Constructions | 18 | Expired |
| US7765752B2 | Anchor system with substantially longitudinally equal wedge compression | Emerging Cross-Sectional Technologies | 14 | Active |
| US6883280B2 | Integrated post-tension anchor | Fixed Constructions | 14 | Expired |
| US6588193B2 | Corrosion resistant tendon system | Fixed Constructions | 13 | Expired |
| US7762029B2 | Anchor for post tension concrete reinforcing systems | Fixed Constructions | 10 | Expired |
| US8146306B2 | Anchor for post tension concrete reinforcing systems | Fixed Constructions | 5 | Active |
| US10378210B2 | Concrete tendon gripping and sealing apparatus and method | Fixed Constructions | 4 | Active |
| US10745916B2 | Intermediate coupler for concrete reinforcement | Fixed Constructions | 3 | Active |
| US10508447B2 | Sealing cover for concrete anchor | Fixed Constructions | 2 | Active |
| US9931764B2 | Pocketformer with releasable grout ring and tendon, tail gauge and method for using | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.