PULSE ELECTRONICS, INC.
84Patents
46Active
84Granted
50Portfolio score
Filing activity: Feb 14, 1984 → Apr 26, 2021 · 12 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4654629A | Vehicle marker light | Emerging Cross-Sectional Technologies | 202 | Expired |
| US5185700A | Solid state event recorder | Emerging Cross-Sectional Technologies | 100 | Expired |
| USRE35590E | Solid state event recorder | General | 87 | Expired |
| US5570270A | Chassis and personal computer for severe environment embedded applications | Physics | 86 | Expired |
| US5065321A | Solid state event recorder | Emerging Cross-Sectional Technologies | 69 | Expired |
| US4638237A | Battery condition indicator | Emerging Cross-Sectional Technologies | 44 | Expired |
| US5530328A | Consist power monitor | Emerging Cross-Sectional Technologies | 37 | Expired |
| US5267473A | Self powered end of train unit | Electricity | 32 | Expired |
| US4847770A | Initial terminal tester | Performing Operations; Transporting | 30 | Expired |
| US5507457A | Train integrity detection system | Emerging Cross-Sectional Technologies | 29 | Expired |
| US5377938A | Railroad telemetry and control systems | Performing Operations; Transporting | 27 | Expired |
| US5016840A | Method to authorize a head of train unit to transmit emergency commands to its associated rear unit | Performing Operations; Transporting | 26 | Expired |
| US4599723A | Method of encoding data for serial transmission | Electricity | 26 | Expired |
| US8393918B2 | Miniaturized connectors and methods | Electricity | 25 | Active |
| US4780653A | Anti-stall motor drive | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5383717A | Brake control of helper locomotive | Emerging Cross-Sectional Technologies | 22 | Expired |
| US8591262B2 | Substrate inductive devices and methods | Emerging Cross-Sectional Technologies | 22 | Active |
| US5374015A | Railroad telemetry and control systems | Performing Operations; Transporting | 22 | Expired |
| US5376925A | Motion and direction sensors | Physics | 17 | Expired |
| US5365550A | Initial synchronization and tracking circuits for spread spectrum receivers | Electricity | 17 | Expired |
| USD310510S | Default controller for railway vehicles | General | 16 | Expired |
| US4840056A | Fuel measuring system | Physics | 16 | Expired |
| US4592217A | Marker attachment for railroad equipment | Performing Operations; Transporting | 16 | Expired |
| US4885689A | Multilingual code receivers | Performing Operations; Transporting | 14 | Expired |
| US4876885A | Railroad coupler mount | Performing Operations; Transporting | 13 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.