Robert W. Hammond
12Patents
6h-index
24Co-inventors
66Inventor score
Filing activity: Mar 16, 1987 → Aug 28, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7058036B1 | Method and system for wireless instant messaging | Electricity | 506 | Expired |
| US8695750B1 | Dual hydraulic power steering system | Performing Operations; Transporting | 48 | Active |
| US7436939B1 | Method and system for consolidated message notification in a voice command platform | Electricity | 40 | Expired |
| US6910081B1 | Apparatus and method for providing services using personal address books | Electricity | 23 | Expired |
| US4901052A | Resistor network having bi-axial symmetry | Electricity | 11 | Expired |
| US7924798B1 | Method for transmitting data in a wireless telecommunications network using multiple data channels | Electricity | 10 | Active |
| US4792782A | Apparatus and method for providing improved resistive ratio stability of a resistive divider network | Electricity | 5 | Expired |
| US6276476A | Right hand drive steering system and conversion method from left hand drive vehicle | Performing Operations; Transporting | 5 | Expired |
| US4859980A | Apparatus and method for providing improved resistive ratio stability of a resistive divider network | Electricity | 3 | Expired |
| US8346219B1 | Method and system for delivering calling party notifications | Electricity | 1 | Active |
| US10148826B2 | Methods and apparatus to interface with different service provider information technology systems supporting service ordering | Electricity | 1 | Active |
| US9838534B2 | Multiple persona support for communications | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.