Hemisphere GPS LLC
33Patents
29Active
33Granted
54Portfolio score
Filing activity: Dec 11, 2003 → Jul 20, 2011 · 26 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7142956B2 | Automatic steering system and method | Physics | 120 | Expired |
| US7437230B2 | Satellite based vehicle guidance control in straight and contour modes | Physics | 98 | Expired |
| US7162348B2 | Articulated equipment position control system and method | Physics | 97 | Expired |
| US7689354B2 | Adaptive guidance system and method | Physics | 93 | Active |
| US7373231B2 | Articulated equipment position control system and method | Physics | 83 | Active |
| US8018376B2 | GNSS-based mobile communication system and method | Physics | 79 | Active |
| US7835832B2 | Vehicle control system | Physics | 64 | Active |
| US8190337B2 | Satellite based vehicle guidance control in straight and contour modes | Physics | 63 | Active |
| US7460942B2 | Soil cultivation implement control apparatus and method | Physics | 63 | Active |
| US8140223B2 | Multiple-antenna GNSS control system and method | Physics | 56 | Active |
| US8214111B2 | Adaptive machine control system and method | Physics | 55 | 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 |
| US8401704B2 | GNSS control system and method for irrigation and related applications | Physics | 44 | Active |
| USRE41358E1 | Automatic steering system and method | General | 43 | Active |
| US7388539B2 | Carrier track loop for GNSS derived attitude | Physics | 42 | Active |
| US7885745B2 | GNSS control system and method | Physics | 42 | Active |
| US8085196B2 | Removing biases in dual frequency GNSS receivers using SBAS | Physics | 37 | Active |
| US8271194B2 | Method and system using GNSS phase measurements for relative positioning | Physics | 33 | Active |
| US8174437B2 | System and method for augmenting DGNSS with internally-generated differential correction | Physics | 33 | Active |
| US8311696B2 | Optical tracking vehicle control system and method | Physics | 30 | Active |
| US8489291B2 | System and method for collecting soil samples | Emerging Cross-Sectional Technologies | 25 | Active |
| US8102325B2 | GNSS antenna with selectable gain pattern, method of receiving GNSS signals and antenna manufacturing method | Electricity | 14 | Active |
| US7400294B2 | Portable reference station for local differential GPS corrections | Physics | 14 | Active |
| US7429952B2 | Broadband aperture coupled GNSS microstrip patch antenna | Electricity | 11 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.