Inventor · disambiguated record
Robert E. Heggestad
Also filed as: HEGGESTAD ROBERT E
4 granted patents·604 citations·filing 1992–2001
85Inventor score
Technology areasB61L
Top patents by PatentIndex Score
4 records- 0195US5533695AIncremental train control systemHARMON INDUSTRIES·Filed 1994·Granted Jul 9, 1996·215 cites·23 claims
- 0294US5452870AFixed data transmission system for controlling train movementHARMON INDUSTRIES·Filed 1994·Granted Sep 26, 1995·130 cites·8 claims
- 0394US5340062ATrain control system integrating dynamic and fixed dataHARMON INDUSTRIES·Filed 1992·Granted Aug 23, 1994·122 cites·21 claims
- 0492US6459965B1Method for advanced communication-based vehicle controlGE HARRIS RAILWAY ELECTRONICS·Filed 2001·Granted Oct 1, 2002·137 cites·76 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →