Inventor · disambiguated record
Douglas Alexander Chalmers
Also filed as: CHALMERS DOUGLAS · CHALMERS DOUGLAS A · CHALMERS DOUGLAS ALEXANDER
10 granted patents·3 pending applications·9 citations·filing 2015–2025
82Inventor score
Top patents by PatentIndex Score
13 records- 0194US11788615B2Bicycle front sprocketFOX FACTORY INC·Filed 2021·Granted Oct 17, 2023·3 cites·8 claims
- 0287US11009112B2Bicycle front sprocketFOX FACTORY INC·Filed 2017·Granted May 18, 2021·3 cites·8 claims
- 0385US12060928B2Bicycle front sprocketFOX FACTORY INC·Filed 2019·Granted Aug 13, 2024·2 cites·7 claims
- 0483US12510145B2Bicycle front sprocketFOX FACTORY INC·Filed 2024·Granted Dec 30, 2025·0 cites·8 claims
- 0572US11603167B2Chain guideFOX FACTORY INC·Filed 2020·Granted Mar 14, 2023·1 cites·15 claims
- 0672US2025313301A1Crank impact and wear protection articleFOX FACTORY INC·Filed 2024·Application pending·0 cites
- 0766US12030590B2Chain guideFOX FACTORY INC·Filed 2023·Granted Jul 9, 2024·0 cites·12 claims
- 0865US12145691B2Crank impact and wear protection articleFOX FACTORY INC·Filed 2022·Granted Nov 19, 2024·0 cites·14 claims
- 0964US12491407B2Timely component movement measuring systemFOX FACTORY INC·Filed 2022·Granted Dec 9, 2025·0 cites·17 claims
- 1059US12151780B2Seal structuresFOX FACTORY INC·Filed 2022·Granted Nov 26, 2024·0 cites·13 claims
- 1159US2025368290A1Lever actuatorFOX FACTORY INC·Filed 2024·Application pending·0 cites
- 1258US2025178381A1Tubeless tire insertFOX FACTORY INC·Filed 2025·Application pending·0 cites
- 1346US10563866B2Annular combustion chamber wall arrangementROLLS ROYCE PLC·Filed 2015·Granted Feb 18, 2020·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →