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| 48284 | Electrodes for the measuring instruments of subclass 48265 | |
| 46950 | Electrodes, carbon, for electrolysis baths | |
| 46950 | Electrodes, carbon, for furnaces | |
| 46950 | Electrodes, carbon, for welding | |
| 44255 | Electrodes, metal contact, for welding machines | |
| 43430 | Electrodes, metal, for industrial electric heating equipment | |
| 42950 | Electrodes, of base metal, coated or cored with flux, for soldering, brazing or welding | |
| 42950 | Electrodes, of metal carbides, coated or cored with flux for soldering, brazing or welding | |
| 48243 | Electrodynamic instruments for measuring electrical quantities | |
| 48120 | Electroencephalographs | |
| 37950 | Electrographite (artificial graphite) | |
| 46930 | Electrolysis apparatus | |
| 88211 | Electrolysis, metallic coating in chromium by | |
| 88211 | Electrolysis, metallic coating in copper by | |
| 88211 | Electrolysis, metallic coating in nickel by | |
| 88211 | Electrolysis, metallic coating in zinc by | |
| 44917 | Electromagnetic vibrators, for attachment to conveying, screening, compacting, etc. appliances | |
| 81110 | Electromagnetism, research and experimental development concerning | |
| 46930 | Electromagnets (excl. those for use by oculists and surgeons) | |
| 48150 | Electromagnets, ophthalmologists' | |
| 48243 | Electrometers | |
| 48120 | Electromyographs (EMG) | |
| 48282 | Electron microscope chambers | |
| 48120 | Electronarcosis instruments | |
| 45130 | Electronic calculating machines capable of operation without an external source of electric power, whether or not capable of printing (excluding automatic data processing machines (computers)) | |
| 45130 | Electronic calculating machines, capable of operation without an external source of electric power, incorporating a clock, whether or not combined with a game | |
| 45130 | Electronic calculators capable of operation without an external source of electric power | |
| 45130 | Electronic calculators, pocket-sized, capable of operation without an external source of electric power, whether or not programmable (excluding automatic data processing machines (computers)) | |
| 73123 | Electronic calculators, rental or leasing of | |
| 73330 | Electronic circuits and device, patented entities, licensing services for the right to use | |
| 73124 | Electronic data processors, rental or leasing of, without operator | |
| 45250 | Electronic hard drive for computer data storage, containing re-writable proms that permit the operating program or application software to be electronically overwritten without replacing the chip | |
| 73210 | Electronic home entertainment equipment and related accessories, rental or leasing of | |
| 47160 | Electronic integrated circuits obtained by bipolar technology | |
| 46930 | Electrophoresis apparatus | |
| 48253 | Electrophoretic analysis instruments | |
| 48253 | Electrophotometers | |
| 48120 | Electrophygmographs | |
| 46930 | Electroplating apparatus | |
| 48120 | Electroretinographs | |
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