John D. Cockerham
10Patents
3h-index
14Co-inventors
49Inventor score
Filing activity: Apr 4, 2013 → Jan 8, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9987508B2 | Hybrid composite flame cell | Emerging Cross-Sectional Technologies | 12 | Active |
| US9296530B2 | Thief hatch | Performing Operations; Transporting | 5 | Active |
| US9884213B2 | Thermal valve in upstream oil and gas | Emerging Cross-Sectional Technologies | 3 | Active |
| US10443301B2 | Thief hatches with diaphragm assisted sealing | Emerging Cross-Sectional Technologies | 1 | Active |
| US9777856B2 | Pressure vacuum relief valve | Emerging Cross-Sectional Technologies | 1 | Active |
| US11596820B2 | Method for manufacturing a flame arrestor | Performing Operations; Transporting | 1 | Active |
| US10161521B2 | Apparatus to protect sealing surfaces of thief hatches | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US11167158B2 | Hybrid composite flame cell | Emerging Cross-Sectional Technologies | 0 | Active |
| US10983025B2 | System and method of monitoring a diagnostic system of a process control system | Performing Operations; Transporting | 0 | Active |
| US10724638B2 | Apparatus to protect sealing surfaces of thief hatches | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.