Inventor · Hexham, GB

Alan Jack

20Patents
8h-index
17Co-inventors
68Inventor score

Filing activity: Sep 18, 2000 → Apr 12, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US6472792B1 Stator with teeth formed from a soft magnetic powder material Electricity 68 Expired
US6300702A Electrical machine element Electricity 51 Expired
US6815863B1 Induction machine stator Electricity 30 Expired
US6849985B2 Electrical machine stator and rotor Electricity 29 Expired
US8354767B2 Permanent magnet rotor with flux concentrating pole pieces Electricity 27 Active
US7064469B2 Core back of an electrical machine and method for making the same Electricity 27 Expired
US7245055B2 Stator of an electrical machine Electricity 25 Expired
US6790134B2 Power tool Performing Operations; Transporting 12 Expired
US7378763B2 Linear motor Electricity 7 Expired
US7679255B2 Electrical machine Electricity 6 Expired
US8710711B2 Permanent magnet rotor with flux concentrating pole pieces Electricity 5 Active
US8624458B2 Electrical rotary machine assembly with stator core sections Electricity 5 Active
US7227291B2 Stator for an electrical machine Emerging Cross-Sectional Technologies 3 Expired
US6676891B1 Method of producing an armature segment of an electrical machine Electricity 3 Expired
US7884508B2 Linear motor Electricity 2 Active
US8378545B2 Electrical rotary machine assembly with stator core sections Electricity 1 Active
US9130425B2 Integrated rotor pole pieces Emerging Cross-Sectional Technologies 1 Active
US8441162B2 Multi-phase stator device Electricity 0 Active
US8647091B2 Stator compacted in one piece Performing Operations; Transporting 0 Active
US8803393B2 Multi-phase stator device Electricity 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.