John W. Robertson
22Patents
12h-index
15Co-inventors
78Inventor score
Filing activity: Apr 22, 1982 → Feb 2, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US10271452B2 | Features for cable managers and other electronic equipment structures | Mechanical Engineering; Lighting; Heating | 46 | Active |
| US11071227B2 | Accessory rod assembly for a cable manager | Mechanical Engineering; Lighting; Heating | 30 | Active |
| US11162615B2 | Features for cable managers and other electronic equipment structures | Mechanical Engineering; Lighting; Heating | 27 | Active |
| US11268636B2 | Features for cable managers and other electronic equipment structures | Mechanical Engineering; Lighting; Heating | 26 | Active |
| US4852384A | Automatic calibration and control system for a combined oxygen and combustibles analyzer | Physics | 25 | Expired |
| US11493151B2 | Features for cable managers and other electronic equipment structures | Mechanical Engineering; Lighting; Heating | 24 | Active |
| US11619328B2 | Method of adapting electronic equipment structure for cable management | Mechanical Engineering; Lighting; Heating | 19 | Active |
| US4456865A | High torque servo positioner using 3 phase variable frequency constant torque controller | Electricity | 18 | Expired |
| US11644125B2 | Method of installing cable finger accessory in a cable manager | Mechanical Engineering; Lighting; Heating | 17 | Active |
| US11644126B2 | Method of installing half-spool accessory in a cable manager | Mechanical Engineering; Lighting; Heating | 17 | Active |
| US4599550A | Digital generation of 3-phase PWM waveforms for variable speed control of induction motor | Electricity | 14 | Expired |
| US4778113A | Apparatus for monitoring low level combustibles | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4875000A | Current fault detection system and method for AC controller | Electricity | 10 | Expired |
| US4655074A | Self-zeroing pressure transmitter with automatic pressure manifold | Physics | 8 | Expired |
| US11920392B1 | Electrical bonding door hinges | Fixed Constructions | 8 | Active |
| US4846410A | Apparatus for monitoring low-level combustibles | Emerging Cross-Sectional Technologies | 8 | Expired |
| USD554228S1 | Dragonfly fishing lure | General | 7 | Expired |
| US4583029A | Variable speed resistive network for a pneumatic servo assembly of an electro-pneumatic converter | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US9815527B2 | Marine lift for multi-hull vessels | Performing Operations; Transporting | 3 | Active |
| US4703407A | Power supply for totem pole power switches | Electricity | 3 | Expired |
| US4692933A | Electro-mechanical integrator | Physics | 2 | Expired |
| US12428888B1 | Electrical bonding door hinges | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.