Inventor · disambiguated record
Carl Heldwein
Also filed as: HELDWEIN CARL · HELDWEIN CARL A
3 granted patents·151 citations·filing 1978–2002
76Inventor score
Top patents by PatentIndex Score
3 records- 0190US4229737ARanging system and method for determining the range of a vehicle from a plurality of reference pointsCUBIC WESTERN DATA·Filed 1978·Granted Oct 21, 1980·109 cites·23 claims
- 0282US6526368B1Elevator car position sensing systemOTIS ELEVATOR CO·Filed 2000·Granted Feb 25, 2003·26 cites·5 claims
- 0370US6701277B2Elevator car position sensing systemOTIS ELEVATOR CO·Filed 2002·Granted Mar 2, 2004·16 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →