John D. Campbell
14Patents
4h-index
23Co-inventors
60Inventor score
Filing activity: Oct 30, 1975 → Feb 3, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD727713S1 | Clip for an animal housing | General | 24 | Active |
| US8443509B1 | Preparing bar-wound stator conductors for electrical interconnection | Emerging Cross-Sectional Technologies | 17 | Active |
| US4208166A | Adjustable wear ring for a centrifugal pump | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4015801A | Maneuverable, ram air inflated, flexible aerial wing | Performing Operations; Transporting | 9 | Expired |
| USD255984S | Bottle | General | 2 | Expired |
| US8558427B2 | Insulation assembly for electric machine | Emerging Cross-Sectional Technologies | 1 | Active |
| US10992212B2 | Method of manufacturing a stator | Performing Operations; Transporting | 1 | Active |
| US10916985B2 | Method of forming a stator assembly | Electricity | 1 | Active |
| US10491086B2 | Slot liner forming apparatus and system | Electricity | 0 | Active |
| US12316081B2 | Method and system for preparing a terminal for an insulated wire conductor | Electricity | 0 | Active |
| US12136856B2 | Hairpin conductor for an electric motor stator and method of forming the hairpin conductor | Electricity | 0 | Active |
| US9476944B2 | Insulation inspection instrument | Electricity | 0 | Active |
| US11095197B2 | Modular stator | Electricity | 0 | Active |
| US11218060B2 | Manual wire forming press for bar wound electric motor assembly | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.