Frank Meyer
20Patents
6h-index
25Co-inventors
69Inventor score
Filing activity: Aug 15, 1977 → May 14, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4878651A | Valve seat assembly | Mechanical Engineering; Lighting; Heating | 52 | Expired |
| US5608987A | Fly and insect trap | Human Necessities | 28 | Expired |
| USD519053S1 | Pendant | General | 12 | Expired |
| US5133484A | Suction tube device | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6776587B2 | Dual-stage, plunger-type piston compressor with minimal vibration | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US6585241B1 | Device for the vibration-absorbing mounting of a compressed-air generator on a mounting support of a rail vehicle | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US7637438B2 | Non-positive fit elastic rail connection for track systems | Fixed Constructions | 5 | Active |
| US10236806B2 | Power module, power module group, power output stage, and drive system comprising a power output stage | Electricity | 3 | Active |
| US8608115B2 | Roller support for the point rail of a railroad switch | Fixed Constructions | 3 | Active |
| US4199690A | Control system for actuators which can be separately energized and deenergized | Physics | 3 | Expired |
| US7059841B2 | Structure of an oil-free compressor on a vehicle | Performing Operations; Transporting | 2 | Expired |
| US8297528B2 | Spring-type rail mount for track system | Fixed Constructions | 2 | Active |
| US7070152B2 | Sleeper-mounted railroad-switch actuator | Performing Operations; Transporting | 1 | Expired |
| US8814058B2 | Plastic screw anchor for securing a rail to a railroad tie | Fixed Constructions | 1 | Active |
| US8245984B2 | Adjustment device in railroad switches | Performing Operations; Transporting | 0 | Active |
| US11913177B2 | Rail fastening system | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8025241B2 | Hollow sleeper | Fixed Constructions | 0 | Active |
| US11306442B2 | Rail fastening system | Fixed Constructions | 0 | Active |
| US12051948B2 | Circuit carrier, (power) electronics assembly and electrical drive device | Emerging Cross-Sectional Technologies | 0 | Active |
| US10704205B2 | Holddown assembly for railway rail | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.