Inventor · disambiguated record
Michael Derham
Also filed as: DERHAM MICHAEL
7 granted patents·3 pending applications·95 citations·filing 2009–2023
85Inventor score
Top patents by PatentIndex Score
10 records- 0194US8726572B2Window restrictorMIGHTON PRODUCTS LTD·Filed 2012·Granted May 20, 2014·50 cites·33 claims
- 0287US11459794B2Door lock assemblyMIGHTON PRODUCTS LTD·Filed 2020·Granted Oct 4, 2022·3 cites·20 claims
- 0387US8881461B2Sash window restrictorDERHAM MICHAEL·Filed 2009·Granted Nov 11, 2014·24 cites·50 claims
- 0486US9816300B2Sash window restrictorMIGHTON PRODUCTS LTD·Filed 2014·Granted Nov 14, 2017·12 cites·25 claims
- 0583US11993964B2Casement window locking bar sensorMIGHTON PRODUCTS LTD·Filed 2020·Granted May 28, 2024·2 cites·24 claims
- 0672US11136797B2Sash window restrictorMIGHTON PRODUCTS LTD·Filed 2017·Granted Oct 5, 2021·2 cites·66 claims
- 0768US2021404228A1Sash window restrictorMIGHTON PRODUCTS LTD·Filed 2021·Application pending·0 cites
- 0854US2024141694A1Door lock assemblyMIGHTON PRODUCTS LTD·Filed 2023·Application pending·0 cites
- 0951US9309711B2Winder assemblyMIGHTON PRODUCTS LTD·Filed 2013·Granted Apr 12, 2016·2 cites·33 claims
- 1038US2022270451A1Casement window handle sensorMIGHTON PRODUCTS LTD·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →