Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12158000 | Longspan stay-in-place liners | George David Richardson, Zi Li Fang | 2024-12-03 |
| 12037801 | Methods and apparatus for restoring, repairing, reinforcing and/or protecting structures using concrete | George David Richardson, Jorge Ricardo Rosas-Gracida, Zi Li Fang | 2024-07-16 |
| 11821204 | Longspan stay-in-place liners | George David Richardson, Zi Li Fang | 2023-11-21 |
| 11761220 | Snap-together standoffs for restoring, repairing, reinforcing, protecting, insulating and/or cladding structures | George David Richardson | 2023-09-19 |
| 11674322 | Retainers for restoring, repairing, reinforcing, protecting, insulating and/or cladding structures | George David Richardson, Marc Daniel Kean Zinman | 2023-06-13 |
| 11512483 | Snap-together standoffs for restoring, repairing, reinforcing, protecting, insulating and/or cladding structures | George David Richardson | 2022-11-29 |
| 11512484 | Methods and apparatus for restoring, repairing, reinforcing and/or protecting structures using concrete | George David Richardson, Jorge Ricardo Rosas-Gracida, Zi Li Fang | 2022-11-29 |
| 11499308 | Structure-lining apparatus with adjustable width and tool for same | George David Richardson, Zi Li Fang, Yue Heng Leung | 2022-11-15 |
| 11180915 | Longspan stay-in-place liners | George David Richardson, Zi Li Fang | 2021-11-23 |
| 11053676 | Structure-lining apparatus with adjustable width and tool for same | George David Richardson, Zi Li Fang, Yue Heng Leung | 2021-07-06 |
| 10731333 | Structure-lining apparatus with adjustable width and tool for same | George David Richardson, Zi Li Fang, Yue Heng Leung | 2020-08-04 |
| 10662661 | Methods and apparatus for restoring, repairing, reinforcing and/or protecting structures using concrete | George David Richardson, Jorge Ricardo Rosas-Gracida, Zi Li Fang | 2020-05-26 |
| 10450763 | Liquid and gas-impermeable connections for panels of stay-in-place form-work systems | George David Richardson | 2019-10-22 |
| 10280636 | Connector components for form-work systems and methods for use of same | George David Richardson | 2019-05-07 |
| 10151119 | Tool for making panel-to-panel connections for stay-in-place liners used to repair structures and methods for using same | George David Richardson, Zi Li Fang | 2018-12-11 |
| 10022825 | Method for restoring, repairing, reinforcing, protecting, insulating and/or cladding a variety of structures | George David Richardson, Zi Li Fang | 2018-07-17 |
| 9982444 | Liquid and gas-impermeable connections for panels of stay-in-place form-work systems | George David Richardson | 2018-05-29 |
| 9879436 | Methods and apparatus for restoring, repairing, reinforcing and/or protecting structures using concrete | George David Richardson, Jorge Ricardo Rosas-Gracida, Zi Li Fang | 2018-01-30 |
| 9790681 | Panel-to-panel connections for stay-in-place liners used to repair structures | George David Richardson, Zi Li Fang | 2017-10-17 |
| 9784005 | Systems for restoring, repairing, reinforcing, protecting, insulating and/or cladding structures with locatable stand-off components | George David Richardson, Zi Li Fang | 2017-10-10 |
| 9783991 | Structure cladding trim components and methods for fabrication and use of same | George David Richardson, Zi Li Fang | 2017-10-10 |
| 9453345 | Panel-to-panel connections for stay-in-place liners used to repair structures | George David Richardson, Zi Li Fang | 2016-09-27 |
| 9441365 | Stay-in-place formwork with anti-deformation panels | George David Richardson, Zi Li Fang | 2016-09-13 |
| 9359780 | Methods and apparatus for restoring, repairing, reinforcing and/or protecting structures using concrete | George David Richardson, Jorge Ricardo Rosas-Gracida, Zi Li Fang | 2016-06-07 |
| 9315987 | Systems for restoring, repairing, reinforcing, protecting, insulating and/or cladding structures with locatable stand-off components | George David Richardson, Zi Li Fang | 2016-04-19 |