Patents per Year
Top Inventors at General Refractories All Time
Showing 1–18 of 18 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Francis W. Henry, Jr. | 5 |
| 2 | Joseph L. Stein | 3 |
| 3 | Henry E. Anthonis, III | 2 |
| 3 | Jeffrey Mazur | 2 |
| 3 | Merrill Wood, Jr. | 2 |
| 3 | Subrata Banerjee | 2 |
| 3 | Thomas Joseph Maskell | 2 |
| #8 | Richard C. Lipp | 1 |
| #8 | Ljubisa Rankovic | 1 |
| #8 | Franz J. Brodmann | 1 |
| #8 | George A. Russell, Jr. | 1 |
| #8 | Gunther L. Mortl | 1 |
| #8 | Howard L. Roenigk | 1 |
| #8 | Peter Frazier | 1 |
| #8 | Richard A. Snellgrove | 1 |
| #8 | Ronald Staut | 1 |
| #8 | Sudarsan C. Samanta | 1 |
| #8 | Wate T. Bakker | 1 |
Most Valuable Patents
| Patent | Est. Value | Year |
|---|---|---|
| Method of manufacturing a slide gate | $455K | 1985 |
| Densification of caustic magnesia and sintered periclase by acid doping | $402K | 1983 |
| Use of resorcinal polymer blend as a binder for carbon-containing refractory brick and shape | $398K | 1983 |
| Ceramic ignitor | $395K | 1981 |
| Resinous petroleum residue refractory binders | $372K | 1983 |