| Patents for G01L 3 - Measuring torque, work, mechanical power, or mechanical efficiency, in general (8,585) |
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| 10/02/1979 | US4169372 Method of testing and apparatus for testing engines |
| 10/02/1979 | US4169371 Method and apparatus for measuring drive system characteristic data in dynamic operation |
| 09/04/1979 | US4166383 Optical shaft torque meter |
| 07/17/1979 | US4161106 Apparatus and method for determining energy waste in refrigeration units |
| 07/17/1979 | CA1058413A1 Mast torque metering system |
| 06/26/1979 | US4158961 Device for testing vehicles |
| 06/12/1979 | US4157658 Engine horsepower measurement system |
| 05/22/1979 | CA1054826A2 Apparatus for and method of determining rotational or linear stiffness |
| 05/22/1979 | CA1054825A2 Apparatus for and method of determining rotational or linear stiffness |
| 05/15/1979 | US4154097 Apparatus and method for measuring motor power |
| 05/08/1979 | US4152930 Torque-measuring device |
| 05/08/1979 | CA1053928A1 Apparatus for and method of determining rotational or linear stiffness |
| 04/24/1979 | US4150566 Torque measuring device for gas turbine engines, especially turbo jet engines |
| 04/24/1979 | US4150559 Variable rate test joint |
| 04/10/1979 | CA1052124A1 Torque analyzing apparatus |
| 03/13/1979 | US4143546 Sucker rod pump dynamometer |
| 02/27/1979 | US4141245 Device for the measurement of mechanical work and power |
| 01/30/1979 | US4136559 Torque meter means |
| 01/23/1979 | US4135391 Torque transducer |
| 01/23/1979 | US4135390 Engine torque transducer using a spoked torque transmitting plate |
| 01/16/1979 | US4135084 Tape drive sensor |
| 10/31/1978 | US4122709 Digital torque meter |
| 10/31/1978 | US4122708 Capacitive proximity sensors |
| 10/31/1978 | CA1041321A1 Engine brake horsepower test without external load |
| 10/10/1978 | US4119911 Magnetoresistor displacement sensor using a magnetoresistor positioned between relatively moving magnetized toothed members |
| 08/29/1978 | US4110829 Apparatus for and method of determining rotational and linear stiffness |
| 08/29/1978 | US4109519 Dynamometer employing multiple disc brake assemblies |
| 08/29/1978 | US4109518 Engine monitoring apparatus |
| 08/29/1978 | CA1037280A1 Torquemeter circuit |
| 08/15/1978 | US4106334 Torque transducer with closely coupled primary windings |
| 08/08/1978 | US4104907 Indicated horsepower measurement system for piston engines |
| 07/18/1978 | US4100794 System for measuring torque and speed of rotating shaft |
| 07/04/1978 | US4098111 Roadway friction measuring method and apparatus |
| 06/27/1978 | US4096743 Shaft torque measuring system |
| 06/06/1978 | US4093055 Torque-transmitting, torque sensing system |
| 06/06/1978 | US4092855 Dynamometer and coupling for a test stand |
| 05/30/1978 | US4091663 Torque indicating device |
| 04/25/1978 | US4085612 Heavy duty torque coupling |
| 04/11/1978 | US4083518 Mast torque metering system |
| 03/07/1978 | USRE29566 Foldable emergency reflecting device |
| 03/07/1978 | US4077255 Roller type chassis dynamometer |
| 12/27/1977 | US4064748 Power indicating means and method for an internal combustion engine |
| 12/13/1977 | US4062234 Dynamometer test stand |
| 12/13/1977 | US4062233 Dynamometer |
| 11/01/1977 | US4055996 Automotive vehicle performance test stand system and performance measuring method |
| 11/01/1977 | US4055995 Engine air-in-fuel diagnostics |
| 10/25/1977 | US4055080 Torquing apparatus |
| 08/23/1977 | US4044235 Method and apparatus for determining smooth running operation in an internal combustion engine |
| 08/02/1977 | US4040064 Fluid pressure actuated recorder |
| 07/19/1977 | US4036050 Engine monitoring apparatus |
| 07/12/1977 | US4034808 Method for pump-off detection |
| 05/17/1977 | US4023405 Tuned quick connect and disconnect coupling arrangement |
| 05/17/1977 | US4023404 Force measuring apparatus |
| 05/03/1977 | US4020685 Phasemeters |
| 05/03/1977 | US4020684 Control valve especially for hydraulic absorption dynamometers |
| 02/22/1977 | US4008600 Torsional vibration damper measuring |
| 12/28/1976 | US3999426 Torque analyzing apparatus |
| 11/30/1976 | US3994588 Detection of angular deflection |
| 10/05/1976 | US3984701 Torquemeter circuit |
| 09/28/1976 | US3982419 Apparatus for and method of determining rotational and linear stiffness |
| 09/07/1976 | US3978718 Electronic dynamometer |
| 08/31/1976 | US3977238 Motor vehicle economy measuring instrument |
| 08/24/1976 | US3975952 Engine power output measuring instrument |
| 08/03/1976 | US3972224 Shaft efficiency monitoring system |
| 06/22/1976 | US3965429 Circuitry for use with a transducer which generates a signal corresponding to a physical phenomenon |
| 06/22/1976 | US3964301 Engine brake horsepower test without external load |
| 06/08/1976 | US3961526 Rotary torquemeter |
| 06/01/1976 | US3960012 Shaft horsepower and efficiency monitoring system |
| 05/18/1976 | US3956930 Or thrust sensor |
| 05/11/1976 | US3955410 Method for measuring a driving power by means of an induction motor |
| 05/04/1976 | US3955083 Interferometric device for encoding shaft angles |
| 04/27/1976 | US3952587 Vehicle torque sensing device |
| 04/20/1976 | US3950986 Non-contacting shaft horsepower measurement system |
| 03/30/1976 | US3946603 Roto-flex coupling |
| 03/09/1976 | US3942375 Method and means for testing hydraulic pump |
| 03/09/1976 | US3942364 Engine efficiency indicator |
| 03/09/1976 | US3942363 Drive-dynamometer system |
| 03/02/1976 | US3940989 Brake power controlling device |
| 03/02/1976 | US3940979 High-accuracy optical torquemeter |
| 03/02/1976 | US3940978 Motorcycle dynamometer |
| 02/24/1976 | US3939702 Engine torque sensor device |
| 02/17/1976 | US3938890 Torque transducer utilizing differential optical sensing |
| 02/03/1976 | US3935733 Electronic transmission dynamometer |
| 01/27/1976 | US3934459 Torque monitoring system for rotating shaft |
| 01/06/1976 | US3930409 Horsepower computing network for chassis dynamometers |