Inventor · disambiguated record
Christopher A. Johnston
Also filed as: JOHNSTON CHRISTOPHER · JOHNSTON CHRISTOPHER A · JOHNSTON CHRISTOPHER ANDREW · JOHNSTON CHRISTOPHER BRYAN
10 granted patents·5 pending applications·165 citations·filing 2002–2023
90Inventor score
Files withESCO GROUP LLC4ESCO CORP3JOHNSTON CHRISTOPHER ANDREW3CONTINENTAL STRUCTURAL PLASTICS INC2Ansaldo Energia Switzerland AG1
Top patents by PatentIndex Score
15 records- 0196US11767710B1Smart door with controllable access panelJOHNSTON CHRISTOPHER ANDREW·Filed 2022·Granted Sep 26, 2023·11 cites·15 claims
- 0296US11346150B1Smart door with controllable access panelJOHNSTON CHRISTOPHER ANDREW·Filed 2019·Granted May 31, 2022·36 cites·14 claims
- 0394US9322150B2Wear assemblyESCO CORP·Filed 2014·Granted Apr 26, 2016·15 cites·24 claims
- 0492US12134933B1Smart door with controllable access panelJOHNSTON CHRISTOPHER ANDREW·Filed 2023·Granted Nov 5, 2024·2 cites·15 claims
- 0592US10024036B2Lock for a wear assemblyESCO CORP·Filed 2016·Granted Jul 17, 2018·7 cites·7 claims
- 0689US10280763B2Airfoil cooling passageways for generating improved protective filmAnsaldo Energia Switzerland AG·Filed 2016·Granted May 7, 2019·11 cites·18 claims
- 0787US6769878B1Turbine blade airfoilPOWER SYSTEMS MFG LLC·Filed 2003·Granted Aug 3, 2004·78 cites·12 claims
- 0886US11447937B2Wear assembly for earth working equipmentESCO GROUP LLC·Filed 2020·Granted Sep 20, 2022·4 cites·35 claims
- 0971US11155982B2Wear assembly having a lockESCO GROUP LLC·Filed 2020·Granted Oct 26, 2021·0 cites·15 claims
- 1071US10655307B2Lock for a wear assemblyESCO CORP·Filed 2018·Granted May 19, 2020·1 cites·18 claims
- 1165US2022389689A1Wear assembly for earth working equipmentESCO GROUP LLC·Filed 2022·Application pending·0 cites
- 1255US2016311467A1I-beam with reinforced skinCONTINENTAL STRUCTURAL PLASTICS INC·Filed 2014·Application pending·0 cites
- 1355US2016375649A1Open area core with chopped fiber reinforced skinCONTINENTAL STRUCTURAL PLASTICS INC·Filed 2014·Application pending·0 cites
- 1453US2022325505A1Wear assemblyESCO GROUP LLC·Filed 2022·Application pending·0 cites
- 1543US2002101016A1Ceiling joist clampFiled 2002·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →