Michael L. Whitehead
56Patents
20h-index
24Co-inventors
88Inventor score
Filing activity: Oct 24, 2000 → Nov 5, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6397147B1 | Relative GPS positioning using a single GPS receiver with internally generated differential correction terms | Physics | 137 | Expired |
| US6469663B1 | Method and system for GPS and WAAS carrier phase measurements for relative positioning | Physics | 115 | Expired |
| US8639416B2 | GNSS guidance and machine control | Physics | 106 | Active |
| US8594879B2 | GNSS guidance and machine control | Physics | 76 | Active |
| US8583315B2 | Multi-antenna GNSS control system and method | Physics | 71 | Active |
| US7292186B2 | Method and system for synchronizing multiple tracking devices for a geo-location system | Physics | 66 | Expired |
| US8140223B2 | Multiple-antenna GNSS control system and method | Physics | 56 | Active |
| US7400956B1 | Satellite position and heading sensor for vehicle steering control | Physics | 53 | Expired |
| US8265826B2 | Combined GNSS gyroscope control system and method | Physics | 50 | Active |
| US6744404B1 | Unbiased code phase estimator for mitigating multipath in GPS | Electricity | 45 | Expired |
| US7292185B2 | Attitude determination exploiting geometry constraints | Physics | 43 | Expired |
| US9002565B2 | GNSS and optical guidance and machine control | Physics | 42 | Active |
| US7388539B2 | Carrier track loop for GNSS derived attitude | Physics | 42 | Active |
| US8085196B2 | Removing biases in dual frequency GNSS receivers using SBAS | Physics | 37 | Active |
| US8174437B2 | System and method for augmenting DGNSS with internally-generated differential correction | Physics | 33 | Active |
| US8271194B2 | Method and system using GNSS phase measurements for relative positioning | Physics | 33 | Active |
| US9141111B2 | GNSS and optical guidance and machine control | Physics | 33 | Active |
| US9389615B2 | GNSS and optical guidance and machine control | Physics | 32 | Active |
| US8686900B2 | Multi-antenna GNSS positioning method and system | Physics | 29 | Active |
| USD673391S1 | Pliers rack | General | 21 | Active |
| US8448547B2 | Extractor tool and extractor tool kit | Performing Operations; Transporting | 20 | Active |
| US7147209B2 | Window belt molding removal tool | Emerging Cross-Sectional Technologies | 20 | Expired |
| US7156004B1 | Adjustable wrench for removal of vehicle oil filters | Performing Operations; Transporting | 18 | Active |
| US7707709B2 | Pneumatic bearing race and pinion race driver set | Emerging Cross-Sectional Technologies | 15 | Active |
| US7400294B2 | Portable reference station for local differential GPS corrections | Physics | 14 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.