Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9458638 | Leave-in-place concrete formwork combining plate dowels, divider plates, and/or finishing, armoring and/or sealing molding | Nigel K. Parkes | 2016-10-04 |
| 8627626 | Transferring loads across joints in concrete slabs | Nigel K. Parkes | 2014-01-14 |
| 8381470 | Tapered load plate for transferring loads between cast-in-place slabs | Nigel K. Parkes | 2013-02-26 |
| 8303210 | Method for constructing adjacent cast in place concrete slabs using a template for positioning pocket formers | Nigel K. Parkes | 2012-11-06 |
| 8302359 | System of protecting the edges and construction joints of cast in place concrete slabs | Nigel Parkes, Patrick N. Harrison | 2012-11-06 |
| 7736088 | Rectangular load plate | Nigel K. Parkes | 2010-06-15 |
| 7716890 | Tapered load plate for transferring loads between cast-in-place slabs | Nigel K. Parkes | 2010-05-18 |
| 7637689 | On-grade plates for joints between on-grade concrete slabs | Nigel K. Parkes | 2009-12-29 |
| 7481031 | Load transfer plate for in situ concrete slabs | Nigel K. Parkes | 2009-01-27 |
| 6775952 | System of protecting the edges of cast-in-place concrete slab on ground, construction joints | Nigel Parkes, Patrick N. Harrison | 2004-08-17 |
| 6354760 | System for transferring loads between cast-in-place slabs | Nigel K. Parkes | 2002-03-12 |
| 6145262 | Dowel bar sleeve system and method | Ernest K. Schrader, Nigel K. Parkes | 2000-11-14 |
| 5618125 | Dowell alignment apparatus | Mike McPhee | 1997-04-08 |
| 5447369 | Industrial mixer | — | 1995-09-05 |