David W. Howell
20Patents
3h-index
44Co-inventors
63Inventor score
Filing activity: Sep 29, 1987 → Nov 30, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4863645A | Apparatus and process for producing particulate sulfur | Chemistry; Metallurgy | 6 | Expired |
| US8820856B2 | Apparatus for setting park brakes of a heavy vehicle during a failure of a service brakes holding function of the vehicle | Performing Operations; Transporting | 4 | Active |
| US10131336B2 | System and method for braking a vehicle | Performing Operations; Transporting | 3 | Active |
| US10328918B2 | Valve module for an air braking system of a heavy vehicle | Performing Operations; Transporting | 2 | Active |
| US6917870B2 | Interrupt for automatic traction control valve from park brake circuit | Performing Operations; Transporting | 2 | Expired |
| US10473228B2 | Solenoid valve with an integrated check valve functionality for an air braking system of a heavy vehicle | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10163422B1 | Accelerated secondary display system | Physics | 1 | Active |
| US10947282B2 | Functionalized protein-based materials and their uses | Human Necessities | 1 | Active |
| US10150457B2 | Valve module for an air braking system of a heavy vehicle | Performing Operations; Transporting | 1 | Active |
| US12257986B2 | Shared reservoir for service brake circuits | Performing Operations; Transporting | 0 | Active |
| US10850716B2 | System and method for controlling an automated braking application | Performing Operations; Transporting | 0 | Active |
| US9457785B2 | Heat-exchange dryer apparatus, system and method | Emerging Cross-Sectional Technologies | 0 | Active |
| US10131338B2 | Heat-exchange dryer apparatus, system and method | Emerging Cross-Sectional Technologies | 0 | Active |
| US12391230B2 | Dual-control electro-pneumatic foot brake system and method | Performing Operations; Transporting | 0 | Active |
| US10543820B2 | System and method for braking a vehicle | Performing Operations; Transporting | 0 | Active |
| US10706815B1 | Accelerated secondary display system | Physics | 0 | Active |
| US12344638B2 | Functionalized UBX protein materials for enhanced purification of antibodies | Chemistry; Metallurgy | 0 | Active |
| US9058759B2 | Virtual display device drivers compatible with windows display driver model | Physics | 0 | Active |
| US11260690B2 | Wheel speed sensor assembly with stepped alignment key | Physics | 0 | Active |
| US8123306B2 | Trailer connection selector | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.