Inventor · Winamac, IN, US

Keith Heigl

11Patents
6h-index
9Co-inventors
55Inventor score

Filing activity: May 10, 2002 → Nov 20, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
USD513236S1 Hand control General 30 Expired
US6825628B2 Electronic controller for vehicular wheelchair access Emerging Cross-Sectional Technologies 24 Expired
US7816878B2 Vehicle access control system Physics 16 Active
US7798761B2 Electronic control system and method for an auxiliary device interlock safety system Emerging Cross-Sectional Technologies 14 Active
US7551995B2 Door and ramp interface system Performing Operations; Transporting 7 Active
US7509187B2 Wheelchair lift with a rotary sensor used to determine lift position Human Necessities 6 Expired
US7978119B2 Wireless vehicle access control system Fixed Constructions 4 Active
US11268712B2 Forced air conditioning system Mechanical Engineering; Lighting; Heating 0 Active
US11268717B2 Thermostat power monitoring, mitigation and alert Emerging Cross-Sectional Technologies 0 Active
US11841152B2 System and method for operating an HVAC system controller Physics 0 Active
US11022337B2 Air conditioning system Mechanical Engineering; Lighting; Heating 0 Active

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