James A. Laird
17Patents
16h-index
18Co-inventors
75Inventor score
Filing activity: Apr 1, 1974 → Apr 30, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4632876A | Ceramic spheroids having low density and high crush resistance | Emerging Cross-Sectional Technologies | 139 | Expired |
| US4680230A | Particulate ceramic useful as a proppant | Emerging Cross-Sectional Technologies | 92 | Expired |
| US4923714A | Novolac coated ceramic particulate | Emerging Cross-Sectional Technologies | 64 | Expired |
| US4869960A | Epoxy novolac coated ceramic particulate | Emerging Cross-Sectional Technologies | 58 | Expired |
| US6514892B1 | Transparent beads and their production method | Emerging Cross-Sectional Technologies | 55 | Expired |
| US4521333A | Intumescent silicates having improved stability | Emerging Cross-Sectional Technologies | 53 | Expired |
| US4192576A | Ultra-high-index glass microspheres and products made therefrom | Emerging Cross-Sectional Technologies | 51 | Expired |
| US6335083B1 | Transparent beads and their production method | Emerging Cross-Sectional Technologies | 51 | Expired |
| US3946130A | Transparent glass microspheres and products made therefrom | Emerging Cross-Sectional Technologies | 47 | Expired |
| US6511739B2 | Transparent beads and their production method | Emerging Cross-Sectional Technologies | 44 | Expired |
| US4944905A | Particulate ceramic useful as a proppant | Fixed Constructions | 43 | Expired |
| US4937127A | Skid-resistant pavement markings | Emerging Cross-Sectional Technologies | 40 | Expired |
| US4725390A | Process for making ceramic spheroids | Fixed Constructions | 38 | Expired |
| US5094902A | Skid-resistant surface marking material | Emerging Cross-Sectional Technologies | 38 | Expired |
| US5124178A | Skid-resistant surface marking material | Fixed Constructions | 37 | Expired |
| US5053253A | Skid-resistant pavement markings | Fixed Constructions | 37 | Expired |
| US6050691A | Method of making randomly oriented cube-corner articles | Emerging Cross-Sectional Technologies | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.