IG

Ivan J. Garshelis

MD Magnetoelastic Devices: 6 patents #1 of 1Top 100%
MD Magna-Lastic Devices: 3 patents #3 of 4Top 75%
📍 Dalton, MA: #1 of 53 inventorsTop 2%
🗺 Massachusetts: #4,122 of 88,656 inventorsTop 5%
Overall (All Time): #164,326 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDate
9250147 Devices and methods for detecting rates of change of torque Ryan J. Kari, Stijn P. L. Tollens 2016-02-02
9063190 Magnetostatic measurement method and sensor for assessing local hysteresis properties in ferromagnetic materials 2015-06-23
8438937 Devices and methods for detecting rates of change of torque Ryan J. Kari, Stijn P. L. Tollens 2013-05-14
7832289 Devices and methods for detecting rates of change of torque Ryan J. Kari, Stijn P. L. Tollens 2010-11-16
7437942 Non-destructive evaluation via measurement of magnetic drag force Stijn P. L. Tollens 2008-10-21
6553847 Collarless circularly magnetized torque transducer and method for measuring torque using the same 2003-04-29
6490934 Circularly magnetized non-contact torque sensor and method for measuring torque using the same 2002-12-10
6260423 Collarless circularly magnetized torque transducer and method for measuring torque using same 2001-07-17
6145387 Collarless circularly magnetized torque transducer and method for measuring torque using same 2000-11-14
6047605 Collarless circularly magnetized torque transducer having two phase shaft and method for measuring torque using same 2000-04-11
5706572 Method for producing a circularly magnetized non-contact torque sensor 1998-01-13
5708216 Circularly magnetized non-contact torque sensor and method for measuring torque using same 1998-01-13
5591925 Circularly magnetized non-contact power sensor and method for measuring torque and power using same 1997-01-07
5520059 Circularly magnetized non-contact torque sensor and method for measuring torque using same 1996-05-28
5465627 Circularly magnetized non-contact torque sensor and method for measuring torque using same 1995-11-14
5367257 Non-contact, magnetic sensor for determining direction of motion and velocity of a movable member 1994-11-22
5351555 Circularly magnetized non-contact torque sensor and method for measuring torque using same 1994-10-04
5195377 Magnetoelastic force transducer for sensing force applied to a ferromagnetic member using leakage flux measurement 1993-03-23
5052232 Magnetoelastic torque transducer 1991-10-01
4950988 Two region, remanently magnetized position sensor 1990-08-21
4896544 Magnetoelastic torque transducer 1990-01-30
4882936 Magnetoelastic torque tool 1989-11-28
4760745 Magnetoelastic torque transducer 1988-08-02
4335608 Submersible pressure transducer device Russell J. Wood 1982-06-22
4188572 Current sensing device 1980-02-12