Patrick E. Milligan
9Patents
5h-index
18Co-inventors
60Inventor score
Filing activity: Aug 14, 1987 → May 23, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4837976A | Window balance spring cover friction system | Fixed Constructions | 17 | Expired |
| US4800680A | Cord guide system for sash balance | Fixed Constructions | 10 | Expired |
| US5226919A | Window grille retainer | Fixed Constructions | 8 | Expired |
| US9115522B2 | Side load constant force counterbalance system | Fixed Constructions | 7 | Active |
| US6513194B2 | Pivot connection adjustment assembly | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5546702A | Adjustable brace for window sash | Fixed Constructions | 5 | Expired |
| US10208528B2 | Fold-up window hardware | Fixed Constructions | 2 | Active |
| US11339598B2 | Window vent assist mechanism for vent window assembly | Fixed Constructions | 0 | Active |
| US12012789B2 | Motion-activated stop for a vent window | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.