Philip S. Hall
12Patents
6h-index
21Co-inventors
66Inventor score
Filing activity: Oct 7, 1977 → Mar 28, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7220029B2 | Lamp assembly having variable focus and directionality | Performing Operations; Transporting | 23 | Expired |
| US7300189B2 | Interchangeable flashlight-cargo lamp system | Performing Operations; Transporting | 16 | Expired |
| US4188355A | Manufacture of fibrous webs | Emerging Cross-Sectional Technologies | 12 | Expired |
| US8920648B2 | No filter no run fluid filtration systems | Performing Operations; Transporting | 9 | Active |
| US7607807B2 | Vehicular lamp and retainer assembly for interior applications | Emerging Cross-Sectional Technologies | 8 | Expired |
| US9597616B2 | Fluid filter and head with quick connector | Performing Operations; Transporting | 6 | Active |
| US8968565B2 | No filter no run fluid filtration system | Performing Operations; Transporting | 4 | Active |
| US8695940B2 | Mounting interface for a housing of a filtration module | Performing Operations; Transporting | 1 | Active |
| US9010717B2 | Mounting interface for a housing of a filtration module | Performing Operations; Transporting | 1 | Active |
| US12105544B2 | Non-vented, semi-automated water drain valve system | Emerging Cross-Sectional Technologies | 0 | Active |
| US11628385B2 | Alignment notch for an endcap of a filter element | Performing Operations; Transporting | 0 | Active |
| US12064718B2 | Alignment notch for an endcap of a filter element | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.