Robert Graf
14Patents
4h-index
13Co-inventors
57Inventor score
Filing activity: Dec 28, 1973 → Aug 3, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6636792B2 | Weight classification system | Performing Operations; Transporting | 27 | Expired |
| US7503417B2 | Sensor assembly for seat occupant weight classification system | Performing Operations; Transporting | 10 | Expired |
| US6595545B2 | Seat belt force sensor system | Performing Operations; Transporting | 8 | Expired |
| US6860160B2 | Seat belt force sensor system | Performing Operations; Transporting | 6 | Expired |
| US7048085B2 | Weight classification system | Performing Operations; Transporting | 4 | Expired |
| US7055400B2 | Seat belt force sensor system | Performing Operations; Transporting | 4 | Expired |
| US6793032B2 | Seatbelt force sensor assembly with guide member | Performing Operations; Transporting | 3 | Expired |
| US9752409B2 | Multistage fracturing system with electronic counting system | Fixed Constructions | 2 | Active |
| US10280702B2 | Multistage high pressure fracturing system with counting system | Fixed Constructions | 2 | Active |
| US10221648B2 | Multistage high pressure fracturing system with counting system | Fixed Constructions | 2 | Active |
| US7234729B2 | Seat belt force sensor system | Performing Operations; Transporting | 1 | Expired |
| US10060243B2 | Multistage fracturing system with electronic counting system | Fixed Constructions | 1 | Active |
| US3972068A | System for translating magnetically encoded data to visually readable characters corresponding thereto | Physics | 0 | Expired |
| US7411914B2 | Data ring and method for operating data rings | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.