Inventor · disambiguated record
Jeffrey Ross Johnston
Also filed as: JOHNSTON JEFFREY · JOHNSTON JEFFREY R · JOHNSTON JEFFREY ROSS
8 granted patents·2 pending applications·76 citations·filing 1999–2024
79Inventor score
Files withJOHNSTON JEFFREY ROSS4INLINE SERVICES LLC1JOHNSTON JEFFREY R1PAWAR GUITARS LTD1SPARTAN DOWNHOLE INC1
Top patents by PatentIndex Score
10 records- 0178US9989191B2Friction stop deviceZODIAC SEATS US LLC·Filed 2014·Granted Jun 5, 2018·11 cites·19 claims
- 0275US6121537AGuitar pickup system for selecting from multiple Gibson and Fender tonalitiesPAWAR GUITARS LTD·Filed 1999·Granted Sep 19, 2000·65 cites·30 claims
- 0350US12209932B1Apparatus and method for inline leak detection and quantificationINLINE SERVICES LLC·Filed 2024·Granted Jan 28, 2025·0 cites·28 claims
- 0449US12116881B2Downhole tool with passive barrierSPARTAN DOWNHOLE LLC·Filed 2022·Granted Oct 15, 2024·0 cites·24 claims
- 0549US10829896B2Inductive rail heating head for a moving-point train track rail and a fixed train track railJOHNSTON JEFFREY ROSS·Filed 2018·Granted Nov 10, 2020·0 cites·9 claims
- 0649US10626560B2Magnetic inductive rail heating headJOHNSTON JEFFREY ROSS·Filed 2017·Granted Apr 21, 2020·0 cites·16 claims
- 0747US10883229B2Induction coil driver card for a railroad switch heater systemJOHNSTON JEFFREY ROSS·Filed 2018·Granted Jan 5, 2021·0 cites·11 claims
- 0846US12104456B2Time-delayed, downhole triggerSPARTAN DOWNHOLE INC·Filed 2022·Granted Oct 1, 2024·0 cites·21 claims
- 0939US2020217020A1Rail Heating HeadJOHNSTON JEFFREY R·Filed 2020·Application pending·0 cites
- 1034US2016258124A1Magnetic Inductive Rail Switch HeaterJOHNSTON JEFFREY ROSS·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →