Individual holder
BECK DOUGLAS S
US·4 granted patents·11 citations·filing 2003–2021
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0157US12057747B2Rotary electrical machine using time-invariant magnetic fieldsBECK DOUGLAS S·Filed 2021·Granted Aug 6, 2024·0 cites·15 claims
- 0252US7107784B2Thermal management system using an absorption heat pumpBECK DOUGLAS S·Filed 2004·Granted Sep 19, 2006·9 cites·19 claims
- 0338US7299640B2Refrigeration system which compensates for heat leakageBECK DOUGLAS S·Filed 2004·Granted Nov 27, 2007·2 cites·24 claims
- 0433US7028709B2One-way valve with poppet memberBECK DOUGLAS S·Filed 2003·Granted Apr 18, 2006·0 cites·9 claims
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