Inventor · disambiguated record
David Long
Also filed as: LONG DAVID · LONG DAVID A · LONG DAVID K
7 granted patents·2 pending applications·374 citations·filing 1975–2023
86Inventor score
Top patents by PatentIndex Score
9 records- 0196US4191942ASingle slope A/D converter with sample and holdNAT SEMICONDUCTOR CORP·Filed 1978·Granted Mar 4, 1980·200 cites·6 claims
- 0284US3943376AOccupancy detector apparatus for automotive safety systemsFAIRCHILD CAMERA INSTR CO·Filed 1975·Granted Mar 9, 1976·44 cites·5 claims
- 0382US5377260ATelephone circuit to control off-hook status during receipt of caller-ID signalSIERRA SEMICONDUCTOR CORP·Filed 1991·Granted Dec 27, 1994·107 cites·3 claims
- 0471US12461247B2Carry-on GPS spoofing detectorMITRE CORP·Filed 2023·Granted Nov 4, 2025·0 cites·35 claims
- 0562US11789160B2Carry-on GPS spoofing detectorMITRE CORP·Filed 2021·Granted Oct 17, 2023·0 cites·31 claims
- 0661US7009363B2Optimized battery life in multiple battery applicationsPATHFINDER ENERGY SERVICES INC·Filed 2003·Granted Mar 7, 2006·18 cites·23 claims
- 0746US4051386AFrequency doubling circuitNAT SEMICONDUCTOR CORP·Filed 1976·Granted Sep 27, 1977·5 cites·5 claims
- 0844US2021296925A1Battery combinerGALVION LTD·Filed 2021·Application pending·0 cites
- 0941US2006057458A1Battery with integrated protection circuitO'DEA MICHAEL J·Filed 2004·Application pending·0 cites
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