John S. Hall
10Patents
6h-index
10Co-inventors
63Inventor score
Filing activity: Apr 15, 1974 → Nov 7, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3979868A | Composite concrete and steel floor construction | Fixed Constructions | 30 | Expired |
| US3945168A | Reusable spanner bar | Fixed Constructions | 21 | Expired |
| US4387544A | Reinforcing strips for pre-cast construction elements | Fixed Constructions | 10 | Expired |
| US4451068A | Engraved image identification card with opaque cover layer | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5636486A | Brick tie | Fixed Constructions | 6 | Expired |
| US4415612A | Double engraved identification card | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4420174A | Identification card bearing latent image perceptible in the presence of background light | Performing Operations; Transporting | 5 | Expired |
| US5858325A | Agglomeration of alumina material | Chemistry; Metallurgy | 4 | Expired |
| US6149712A | Sintered high titanium agglomerates | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6793709B2 | Delamination process | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.