| Patents for G01R 5 - Instruments for converting a single current or a single voltage into a mechanical displacement (553) |
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| 12/09/1980 | US4238731 Instrument moving element with severable bridge |
| 12/02/1980 | US4237418 Electrical current indicating meter |
| 10/28/1980 | US4230984 Method and apparatus for driving an air core gage |
| 10/28/1980 | US4229874 Method of mounting a pivot insert |
| 10/07/1980 | US4227148 External means for increasing the sensitivity of a moving magnet type of meter |
| 10/07/1980 | US4227086 Detectors of parameters adapted to act on the force of attraction between an electret and an electrode |
| 09/16/1980 | US4223266 Adjustable spring regulator for setting indicating instrument pointer |
| 08/19/1980 | US4218651 Apparatus for detecting longitudinal and transverse imperfections in elongated ferrous workpieces |
| 07/08/1980 | US4211992 Positioning means for limited rotation motor |
| 07/08/1980 | US4211972 Self contained filar suspended meter rotor |
| 06/17/1980 | US4208628 Measuring mechanism having a positive locking arrangment for wide-angle moving coil systems and method for its assembly |
| 05/13/1980 | US4203068 Sodium perobrate, thiourea, sodium hydroxide, soidum silicate |
| 04/08/1980 | US4197494 Electromagnetic device with magnetic null means |
| 01/29/1980 | US4186332 Limited rotation moving iron motor with novel velocity sensing and feedback |
| 01/15/1980 | CA1070006A2 Electrometer apparatus for reproduction machines |
| 11/28/1979 | EP0005557A2 Regulation system with novel velocity sensing and feedback for a limited rotation moving iron motor |
| 10/02/1979 | US4169381 Bimetal operated indicator |
| 05/29/1979 | US4156844 Multi-channel galvanometer assembly |
| 05/29/1979 | US4156840 Thermoelectric metal sorter |
| 03/20/1979 | CA1051093A1 Movable magnetic meter with rotation compensation |
| 02/27/1979 | US4142144 Position detector |
| 02/27/1979 | US4141247 Optical warning indicator means on bimetal measuring element |
| 02/20/1979 | US4140969 Compact moving coil meter and rotor assembly |
| 02/13/1979 | US4139821 Inner magnet type movable coil instrument with linear scale |
| 01/09/1979 | US4134062 Limited rotation instrument rebalance apparatus employing a wiper having vibration damping |
| 09/19/1978 | US4115734 Laminated driver coil for recorder pen drive mechanism |
| 08/08/1978 | US4105969 Galvanometer mechanism mounted on printed circuit board having plug portion for insertion into control console receptacle |
| 05/16/1978 | US4090131 Moving magnet meter having a closed magnetic circuit rotor |
| 03/21/1978 | US4080570 Panel mounting for electrical device |
| 01/24/1978 | US4070623 Moving-coil electrical instruments with bearing structure |
| 01/03/1978 | US4066958 Compensated galvanometer |
| 12/20/1977 | US4064457 Compact moving coil meter |
| 10/04/1977 | US4052669 Linear scale electric meter with cylindrical internal magnet and two arc-shaped auxiliary yokes |
| 09/20/1977 | US4050021 Moving-coil measuring system with a large pointer deflection |
| 08/23/1977 | US4044305 Apparatus for providing a displacement representative of the magnitude of a signal |
| 08/23/1977 | US4044248 Method and apparatus for linearizing a mirror galvanometer |
| 08/02/1977 | US4039944 Moving coil electrical instrument |
| 05/17/1977 | US4024472 Meter construction |
| 04/19/1977 | US4019137 Moving coil type instrument |
| 03/15/1977 | US4012199 Computer controlled |
| 01/11/1977 | US4002978 Moving-coil electrical instruments with radially spaced annular air-gaps |
| 12/14/1976 | US3997840 Panel meter with adapter cover |
| 12/14/1976 | US3997839 Electrometer |
| 12/07/1976 | US3996295 Preparation of dimethylsulfoxide by liquid phase reaction of dimethysulfide and hydrogen peroxide |
| 11/30/1976 | US3995214 Movable magnet meter having rotation compensating means |
| 11/23/1976 | US3993950 Carbon fiber electrometer for dosimeter |
| 11/16/1976 | US3991628 Level meter for sound signals |
| 09/28/1976 | US3983478 Moving coil instrument having electrically conductive coil form parts connected to the coil |
| 06/08/1976 | US3962633 Long-scale meter movement having a one-piece outer pole and return ring, and a demountable subassembly therein comprising magnet, central core, moving coil and support frame |
| 03/23/1976 | US3946311 Air core gauge with expanded pointer range |
| 03/09/1976 | US3943437 Apparatus for investigating the electrostatic properties of powders |
| 01/13/1976 | US3932809 Deflector galvanometer |
| 01/06/1976 | US3931573 Radiation detector |