Inventor · disambiguated record
Lawrence D. Hasfjord
Also filed as: HASFJORD LAWRENCE D · HASFJORD LAWRENCE DAVID
4 granted patents·1 pending application·155 citations·filing 1999–2016
78Inventor score
Top patents by PatentIndex Score
5 records- 0189US6172602B1Maintenance alert system for heavy-duty trucksDETROIT DIESEL CORP·Filed 1999·Granted Jan 9, 2001·93 cites·20 claims
- 0285US6836718B2Vehicle with engine idle-management systemINT TRUCK INTELLECTUAL PROP CO·Filed 2003·Granted Dec 28, 2004·48 cites·7 claims
- 0373US6697727B2Method and system for controlling a drivetrain retarderINT TRUCK INTELLECTUAL PROP CO·Filed 2002·Granted Feb 24, 2004·14 cites·31 claims
- 0437US8333441B2Motor vehicle braking system and methodLOVELL STEVEN RANDALL·Filed 2009·Granted Dec 18, 2012·0 cites·7 claims
- 0535US2017030280A1Method for operating an engine of a machineCATERPILLAR INC·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →