| Patent No. | Patent Title: |
| 4857701 | Internal welding head assembly |
| 4689601 | Multi-layer ignition wire |
| 4677271 | Method for electrical resistance-welding and installation for car... |
| 4656335 | Start-up control system and vessel for LMFBR |
| 4651123 | Linear potentiometer |
| 4642601 | Humidity-sensitive element |
| 4631386 | Welding head apparatus |
| 4631384 | Bitumen combustion process |
| 4626645 | Automatic TW electroerosion machining system |
| 4625097 | Rice cooker |
| 4623772 | Apparatus and method for EDM polishing |
| 4622452 | Electric arc vapor deposition electrode apparatus |
| 4622446 | Microwave drying apparatus and use thereof |
| 4621181 | Method of manufacturing multilayer screw seam pipes and device fo... |
| 4621179 | Microwave heating apparatus |
| 4621249 | Moisture sensitive element |
| 4621250 | Rotary potentiometer, particularly for measuring angular position |
| 4620085 | Floor coverings having built-in heater |
| 4618844 | Semiconductor pressure transducer |
| 4617548 | Current sensing resistance apparatus |
| 4617450 | Process for manufacture of a vacuum-moulded electrical heating un... |
| 4617547 | Heater assembly |
| 4617448 | Electrically releasable locking device |
| 4617452 | Rice cooker |
| 4614854 | Wire EDM control circuit for rough and finished machining |
| 4613739 | Microcomputer control for microwave oven |
| 4613741 | Feeder for welds |
| 4613744 | Methods of repair |
| 4612433 | Thermal head and manufacturing method thereof |
| 4612434 | Closed loop humidifier for institutions |
| 4611107 | Precision TW electroerosion with superimposed multiple opening gu... |
| 4611112 | Electric hotplate |
| 4609804 | Arc welding apparatus |
| 4609805 | Weld nut welding apparatus |
| 4609802 | Wire-lattice welding machine |
| 4609903 | Thin film resistor for an integrated circuit semiconductor device |
| 4609803 | TW-EDM method and apparatus with a ferromagnetic wire electrode |
| 4608474 | Negative thermal expansion metal electrically connected to motor ... |
| 4608476 | Retraction control for 3D-path controlled generic electrode ... |
| 4608478 | Wire electrode clamping mechanism of wire-cut electric discharge ... |