General Electric Canada
46Patents
2Active
46Granted
37Portfolio score
Filing activity: Mar 22, 1989 → Dec 6, 2006 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5086246A | Salient pole rotor for a dynamoelectric machine | Emerging Cross-Sectional Technologies | 53 | Expired |
| US5237899A | Blade for cutting cylindrical structures | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5886443A | Spark suppression of induction type rotors of dynamoelectric machines | Electricity | 19 | Expired |
| US5757094A | Ventilation system for an AC machine having overhanging salient poles with juxtaposed shrouds | Electricity | 18 | Expired |
| US5226804A | Propeller blade configuration | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6729843B1 | Partial splitter vane for reaction hydraulic turbine | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5989702A | Sandwich insulation for increased corona resistance | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6552452B2 | Dynamoelectric machine rotor ventilation | Electricity | 12 | Expired |
| US7091431B1 | Disconnect switch | Electricity | 10 | Expired |
| US6300701A | Rogowski coil method of determination of bearing lubrication in dynamoelectric machines | Electricity | 10 | Expired |
| US6588933B2 | Thrust bearing | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US5287840A | "Cam sections for a ""V""-type diesel engine" | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6969925B2 | Ship lock electrical energy generation | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6719227B2 | Grinding mill and methods for fabricating same | Electricity | 8 | Expired |
| US6867527B2 | Method and apparatus for reducing dynamo-electric machine vibration | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5939805A | Stator shield for a fanless salient pole machine | Electricity | 8 | Expired |
| US6971843B2 | Hydraulic turbine draft tube with enhanced dissolved oxygen | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4922146A | Cooling arrangement for a DC motor | Electricity | 7 | Expired |
| US5065058A | Shroud for dynamoelectric machine | Electricity | 7 | Expired |
| US5973269A | Multi-layer insulation for winding elements of dynamoelectric machines (D.E.M.s) | Electricity | 7 | Expired |
| US5822845A | Method of retaining a winding element in a stator slot | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5020649A | Clutch or brake inching arrangement | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US6768244B2 | Stator, dynamoelectric machine, and methods for fabricating same | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6218757A | Minimizing shaft currents in dynamoelectric machines | Electricity | 5 | Expired |
| US6949858B2 | Insulated code stud for rotor and stator laminations | Electricity | 5 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.