Patent assignee · US · COMPANY

MICRO MOTION, INC.

484Patents
294Active
484Granted
54Portfolio score

Filing activity: Jul 6, 1981 → Apr 8, 2024 · 75 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US5555190A Method and apparatus for adaptive line enhancement in Coriolis mass flow meter measurement Physics 214 Expired
US4934196A Coriolis mass flow rate meter having a substantially increased noise immunity Physics 190 Expired
US4491025A Parallel path Coriolis mass flow rate meter Physics 165 Expired
US6111888A Deterministic serial bus communication system Electricity 133 Expired
US6327914A Correction of coriolis flowmeter measurements due to multiphase flows Physics 131 Expired
US5594180A Method and apparatus for fault detection and correction in Coriolis effect mass flowmeters Physics 119 Expired
US4422338A Method and apparatus for mass flow measurement Physics 116 Expired
US6318156A Multiphase flow measurement system Physics 109 Expired
US5654502A Automatic well test system and method of operating the same Physics 104 Expired
US5301557A Stability coriolis mass flow meter Physics 95 Expired
US5687100A Vibrating tube densimeter Physics 95 Expired
US5027662A Accuracy mass flow meter with asymmetry and viscous damping compensation Physics 91 Expired
US6678751B1 System for setting frame and protocol for transmission in a UART device Electricity 89 Expired
US5734112A Method and apparatus for measuring pressure in a coriolis mass flowmeter Physics 89 Expired
US4996871A Coriolis densimeter having substantially increased noise immunity Physics 84 Expired
US5321991A Coriolis effect mass flowmeter Physics 82 Expired
US5295084A Vibrating tube densimeter Physics 81 Expired
USRE31450E Method and structure for flow measurement General 80 Expired
US6092429A Driver for oscillating a vibrating conduit Physics 79 Expired
US5861561A Bypass type coriolis effect flowmeter Physics 78 Expired
US5228327A Technique for determining a mechanical zero value for a coriolis meter Physics 77 Expired
US4911006A Custody transfer meter Physics 76 Expired
US5497666A Increased sensitivity coriolis effect flowmeter using nodal-proximate sensors Physics 75 Expired
US5469748A Noise reduction filter system for a coriolis flowmeter Physics 75 Expired
US4817448A Auto zero circuit for flow meter Electricity 74 Expired

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