Patent assignee · CA · COMPANY

Flexi-Coil Ltd.

86Patents
0Active
86Granted
38Portfolio score

Filing activity: Sep 23, 1981 → Jun 25, 2002

Most-cited patents

PatentTitleAreaCited byStatus
US6574363B1 Method for color detection in video images Electricity 139 Expired
US6237696A Ground opener with disc scraper mounting Human Necessities 95 Expired
US6343661B1 Suspension system for a work vehicle Human Necessities 92 Expired
US6192813A Apparatus for controlling the flow rate of an air seeder Emerging Cross-Sectional Technologies 81 Expired
US6285938A Primer system for agriculture product distribution machines Emerging Cross-Sectional Technologies 74 Expired
US6522948B1 Agricultural product application tracking and control Emerging Cross-Sectional Technologies 67 Expired
US6240861A Split meter roller for agricultural air carts Human Necessities 67 Expired
US6298797A Nurse inductor apparatus for air seeders Emerging Cross-Sectional Technologies 64 Expired
US5996516A Air flow control for air seeders Emerging Cross-Sectional Technologies 59 Expired
US6296425A Method for controlling the flow rate of an air seeder Emerging Cross-Sectional Technologies 48 Expired
US6112827A Transport lock for forwardly folding agricultural implements Human Necessities 44 Expired
US6164222A Regulator for nurse induction unit on air seeders Emerging Cross-Sectional Technologies 40 Expired
US6305478A Hydraulic controls for agricultural implements Human Necessities 40 Expired
US6374923B1 Folding frame implement Human Necessities 36 Expired
US6044916A Agricultural implement with down-force control Human Necessities 36 Expired
US6253693A Nurse adapter for air seeders Emerging Cross-Sectional Technologies 36 Expired
US6148748A In-line seed treating unit for air seeders Emerging Cross-Sectional Technologies 35 Expired
US6267067A Nurse receiver and header for air seeders Emerging Cross-Sectional Technologies 35 Expired
US6035943A Frame leveling system for tillage implements Human Necessities 35 Expired
US6158363A Apparatus for dispensing particles Emerging Cross-Sectional Technologies 34 Expired
US6158630A Segmented meter roller assembly Physics 32 Expired
US6263977A Winged agricultural implement with headlands control system Human Necessities 31 Expired
US6293352A Telescoping hitch for planting implement Human Necessities 31 Expired
US5687798A Down-pressure system for agricultural implement Human Necessities 31 Expired
US6290433A Distribution system for conveying air-entrained material Emerging Cross-Sectional Technologies 30 Expired

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