Inventor · disambiguated record
David Steen
Also filed as: STEEN DAVID · STEEN DAVID A
5 granted patents·2 pending applications·33 citations·filing 2004–2023
68Inventor score
Top patents by PatentIndex Score
7 records- 0170US7694222B2Document composition system and methodSTEEN DAVID A·Filed 2004·Granted Apr 6, 2010·33 cites·12 claims
- 0252US12379119B2Valve unit for a heat-pump system and method for assembling the sameDAIKIN IND LTD·Filed 2022·Granted Aug 5, 2025·0 cites·16 claims
- 0351US12467670B2Heat pump deviceDAIKIN IND LTD·Filed 2020·Granted Nov 11, 2025·0 cites·15 claims
- 0451US2025180241A1Method for determining shutoff valve and refrigerant leakage sensor interlinking for an air-conditioning systemDAIKIN EUROPE NV·Filed 2023·Application pending·0 cites
- 0550US12474073B2Safety system and method for constructing air conditioning systemDAIKIN IND LTD·Filed 2021·Granted Nov 18, 2025·0 cites·26 claims
- 0649US2025172307A1Air conditioning system and method of establishing a control logic for shutoff valve actuationDAIKIN EUROPE NV·Filed 2023·Application pending·0 cites
- 0746US12123633B2Refrigerant systemDAIKIN IND LTD·Filed 2020·Granted Oct 22, 2024·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →