Patent assignee · CH · COMPANY

Vibro-Meter SA

22Patents
3Active
22Granted
37Portfolio score

Filing activity: Mar 7, 1979 → Mar 28, 2007 · 3 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US4393951A Measuring device of the useful load and of the load on the axles of a truck Emerging Cross-Sectional Technologies 43 Expired
US4570881A Process for detecting the likelihood of ice formation, ice warning system for carrying out the process and utilization thereof Performing Operations; Transporting 30 Expired
US4586377A Dual accelerometer, method for its fabrication and application thereof Physics 26 Expired
US5117696A Biaxial accelerometer Physics 16 Expired
US6297741A Mechanism for retaining a removable element in a mounting structure Mechanical Engineering; Lighting; Heating 16 Expired
US6309154A Torque-limiting assembly Mechanical Engineering; Lighting; Heating 15 Expired
US6655211B1 Piezoelectric accelerometer with laterally stabilizing element Physics 13 Expired
US6445177B1 Chip-detector assembly having improved probe-retention features Mechanical Engineering; Lighting; Heating 13 Expired
US5043661A Eddy current distance measuring device with temperature change compensation circuitry Physics 12 Expired
US4213114A Vibration monitoring system for an aircraft engine Emerging Cross-Sectional Technologies 12 Expired
US5052226A Accelerometer with piezoelectric element Physics 11 Expired
US4680976A Torque or angle of torsion measuring device Physics 9 Expired
US4454769A Radial force measuring cell Physics 9 Expired
US5003258A Position transducer with temperature dependency compensation having a coil and displaceable core made of conductive and ferromagnetic materials Physics 9 Expired
US7677117B2 Force-sensing device for vehicle running gears Physics 6 Active
US6498501B2 Measuring circuit Physics 5 Expired
US6386040B1 Method and system for combined vibration measurements Physics 4 Expired
US7770461B2 Brake-force-sensing device for vehicle running gears Mechanical Engineering; Lighting; Heating 4 Active
US5174832A Method for contactless digital measuring of the displacement or position of a movable piece Physics 4 Expired
US7336069B2 Eddy current sensor and sensor coil for the same Physics 1 Active
US6513387B1 Acceleration compensated pressure measuring instrument Physics 1 Expired
US6107881A Electronic interface circuit between a piezoelectric transducer and a circuit for processing a measuring signal provided by the transducer Physics 0 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.