Patent assignee · US · COMPANY

Mapco, Inc.

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13Patents
0Active
13Granted
32Portfolio score

Filing activity: Mar 18, 1976 → Feb 25, 1999

Most-cited patents

PatentTitleAreaCited byStatus
US4365518A Flow straighteners in axial flowmeters Physics 41 Expired
US4331025A Methods of measuring fluid viscosity and flow rate Physics 36 Expired
US4240908A Coated metal fiber coalescing cell Emerging Cross-Sectional Technologies 27 Expired
US4026805A Magnetic filter Performing Operations; Transporting 25 Expired
US4417480A Dampened ultrasonic transducer Physics 21 Expired
US4354572A Portable seismic energy source Emerging Cross-Sectional Technologies 21 Expired
US5921266A Safety system for transfer of pressurized fluid Emerging Cross-Sectional Technologies 16 Expired
US6216719A Safety system for transfer of pressurized fluids Emerging Cross-Sectional Technologies 15 Expired
US4223759A Low energy source for seismic operation Emerging Cross-Sectional Technologies 10 Expired
US4334591A Transporter for low energy seismic source Emerging Cross-Sectional Technologies 8 Expired
US4967813A Bottle filling machine and filling head therefor Emerging Cross-Sectional Technologies 7 Expired
US4359131A Method of generating a seismic signal employing a water piston Emerging Cross-Sectional Technologies 6 Expired
US4418786A Bottom diaphragm for transporter for a seismic energy source Emerging Cross-Sectional Technologies 4 Expired

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