Inventor · disambiguated record
Douglas Lloyd Lockhart
Also filed as: LOCKHART DOUGLAS L · LOCKHART DOUGLAS LLOYD
4 granted patents·1 pending application·31 citations·filing 1993–2016
70Inventor score
Top patents by PatentIndex Score
5 records- 0183US8844567B2Manifold for refrigeration systemLOCKHART DOUGLAS LLOYD·Filed 2010·Granted Sep 30, 2014·9 cites·12 claims
- 0256US9880031B2Method and apparatus for HVAC/R system analysisLOCKHART DOUGLAS LLOYD·Filed 2014·Granted Jan 30, 2018·1 cites·13 claims
- 0346US5311745APressure measurement system for refrigeration systemDIGI COOL IND LTD·Filed 1993·Granted May 17, 1994·21 cites·6 claims
- 0439US2014069122A1Apparatus and method for controlling refrigerant temperature in a heat pump or refrigeration apparatusLOCKHART DOUGLAS LLOYD·Filed 2012·Application pending·0 cites
- 0538US10677061B2Shear flow turbomachinery devicesLOCKHART DOUGLAS LLOYD·Filed 2016·Granted Jun 9, 2020·0 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →