David A. Oestermeyer
13Patents
4h-index
21Co-inventors
60Inventor score
Filing activity: Dec 10, 1992 → Mar 9, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8060264B2 | System for monitoring railroad cars | Emerging Cross-Sectional Technologies | 21 | Active |
| US5738396A | Universal latch system for railroad car hatch covers | Emerging Cross-Sectional Technologies | 16 | Expired |
| US8166891B2 | Manway gasket | Performing Operations; Transporting | 11 | Active |
| US5239772A | Railroad car pesticide device holder | Human Necessities | 6 | Expired |
| US8656840B2 | Manway gasket | Performing Operations; Transporting | 4 | Active |
| US9194522B2 | Connector fitting | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US8950618B2 | Metallic flange plate with lining | Emerging Cross-Sectional Technologies | 3 | Active |
| US9494269B2 | Connection element with sealing member | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US9493172B2 | Outlet gate assembly for hopper cars | Performing Operations; Transporting | 2 | Active |
| US9631762B2 | Connection element with sealing member | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US7097217B2 | Integrated security mechanism | Emerging Cross-Sectional Technologies | 2 | Expired |
| US9592837B2 | Valve for outlet gate assembly for hopper cars | Performing Operations; Transporting | 2 | Active |
| US10703389B2 | Compression limiting manway gasket | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.