WAGSTAFF, INC.
39Patents
21Active
39Granted
55Portfolio score
Filing activity: Sep 24, 1992 → Nov 22, 2023 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6260602A | Casting of molten metal in an open ended mold cavity | Performing Operations; Transporting | 19 | Expired |
| US7296613B2 | Mold table sensing and automation system | Performing Operations; Transporting | 15 | Expired |
| US5318098A | Metal casting unit | Performing Operations; Transporting | 14 | Expired |
| US5316071A | Molten metal distribution launder | Performing Operations; Transporting | 12 | Expired |
| US6837300B2 | Lubricant control system for metal casting system | Performing Operations; Transporting | 12 | Expired |
| US5518063A | Direct cooled metal casting apparatus | Performing Operations; Transporting | 11 | Expired |
| US5582230A | Direct cooled metal casting process and apparatus | Performing Operations; Transporting | 11 | Expired |
| US5339885A | Integrated non-contact molten metal level sensor and controller | Performing Operations; Transporting | 8 | Expired |
| US6158498A | Casting of molten metal in an open ended mold cavity | Performing Operations; Transporting | 7 | Expired |
| US5685359A | Direct cooled annular mold | Performing Operations; Transporting | 7 | Expired |
| US10350674B2 | Dynamic mold shape control for direct chill casting | Performing Operations; Transporting | 7 | Active |
| US6085828A | Molten metal admission control in casting | Performing Operations; Transporting | 7 | Expired |
| US5323841A | Annular metal casting unit | Performing Operations; Transporting | 4 | Expired |
| US7007739B2 | Direct chilled metal casting system | Performing Operations; Transporting | 4 | Expired |
| US5647427A | Non-ferrous metal casting mold table system | Performing Operations; Transporting | 3 | Expired |
| US5709260A | Molten metal admission control in casting | Performing Operations; Transporting | 3 | Expired |
| US8590596B2 | Coolant control and wiper system for a continuous casting molten metal mold | Performing Operations; Transporting | 2 | Active |
| US5850870A | Molten metal admission control in casting | Performing Operations; Transporting | 2 | Expired |
| US11331715B2 | Dynamic mold shape control for direct chill casting | Performing Operations; Transporting | 1 | Active |
| US5642770A | Non-ferrous metal casting rotational control apparatus | Performing Operations; Transporting | 1 | Expired |
| US9545662B2 | Automated variable dimension mold and bottom block system | Performing Operations; Transporting | 1 | Active |
| US10913108B2 | Dynamically positioned diffuser for metal distribution during a casting operation | Performing Operations; Transporting | 1 | Active |
| US11883876B2 | Dynamic mold shape control for direct chill casting | Performing Operations; Transporting | 1 | Active |
| US11577305B2 | System, apparatus, and method for direct chill casting venting | Performing Operations; Transporting | 0 | Active |
| US7661457B2 | Gas flow control system for molten metal molds with permeable perimeter walls | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.