Derek Williams
21Patents
5h-index
15Co-inventors
66Inventor score
Filing activity: Jul 3, 1980 → May 4, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7371328B1 | Method for treating hog and animal waste | Emerging Cross-Sectional Technologies | 10 | Expired |
| US10253625B2 | Automated system pre-check methodology and corresponding interface | Physics | 8 | Active |
| US10289125B2 | High pressure valve and transmission safety checks | Physics | 8 | Active |
| US4390738A | Process for the oxidation of olefinic compounds to olefine oxides or derivatives thereof | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4339234A | Drive cam and follower for a liquid fuel injection pumping apparatus | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4516547A | Fuel supply system | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US10995589B2 | Setting valve configurations in a manifold system | Physics | 2 | Active |
| US10573159B2 | Engine and transmission notification system using a J1939 data link interface | Physics | 1 | Active |
| US9912261B2 | Variable frequency drive motor control | Electricity | 1 | Active |
| US11643908B1 | Automated configuration of pumping equipment | Fixed Constructions | 1 | Active |
| US11143569B2 | Pre-job operation valve checks | Physics | 1 | Active |
| US12012842B2 | Predictive pump maintenance based upon utilization and operating conditions | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11939862B2 | Cementing unit power on self test | Physics | 0 | Active |
| US12318965B2 | Cement supply control systems and methods | Physics | 0 | Active |
| US12084297B2 | Remote control bulk material monitoring and delivery system | Performing Operations; Transporting | 0 | Active |
| US11655106B2 | Remote control bulk material monitoring and delivery system | Performing Operations; Transporting | 0 | Active |
| US11931920B2 | Additive control method utilizing smart redundant feedback | Fixed Constructions | 0 | Active |
| US11260560B2 | Cement supply control systems and methods | Physics | 0 | Active |
| US12372085B2 | Automated land truck pressure test | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10128782B2 | Variable frequency drive motor control | Electricity | 0 | Active |
| US11852134B2 | Automated mix water test | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.