Inventor · disambiguated record
David M. Espie
Also filed as: ESPIE DAVID M · ESPIE DAVID MILLER
10 granted patents·2 pending applications·220 citations·filing 1991–2023
89Inventor score
Files withAIR PROD & CHEM12
Top patents by PatentIndex Score
12 records- 0189US11656612B2Method and apparatus for managing industrial gas productionAIR PROD & CHEM·Filed 2021·Granted May 23, 2023·5 cites·20 claims
- 0288US11994135B2Method and apparatus for compressing a gas feed with a variable flow rateAIR PROD & CHEM·Filed 2021·Granted May 28, 2024·3 cites·19 claims
- 0386US5968234ATemperature swing adsorption with regeneration by elevated pressure ASU nitrogen-enriched gasAIR PROD & CHEM·Filed 1998·Granted Oct 19, 1999·84 cites·4 claims
- 0480US6006546ANitrogen purity control in the air separation unit of an IGCC power generation systemAIR PROD & CHEM·Filed 1998·Granted Dec 28, 1999·47 cites·23 claims
- 0574US5224336AProcess and system for controlling a cryogenic air separation unit during rapid changes in productionAIR PROD & CHEM·Filed 1991·Granted Jul 6, 1993·34 cites·22 claims
- 0664US6073463AOperation of a cryogenic air separation unit which intermittently uses air feed as the repressurization gas for a two bed PSA systemAIR PROD & CHEM·Filed 1998·Granted Jun 13, 2000·25 cites·5 claims
- 0764US2025060155A1Apparatus and Process for Pre-Liquefaction Fluid Processing for Improved Liquefaction OperationsAIR PROD & CHEM·Filed 2023·Application pending·0 cites
- 0859US12314065B2Method and system for controlling production and storage of industrial gasesAIR PROD & CHEM·Filed 2022·Granted May 27, 2025·0 cites·18 claims
- 0957US5983668AAir separation unit feed flow control in an IGCC power generation systemAIR PROD & CHEM·Filed 1998·Granted Nov 16, 1999·17 cites·14 claims
- 1051US2024211980A1Method and apparatus for management of power in an industrial gas production facilityAIR PROD & CHEM·Filed 2022·Application pending·0 cites
- 1147US12442369B2Method and system for load control of reciprocating compressorsAIR PROD & CHEM·Filed 2022·Granted Oct 14, 2025·0 cites·18 claims
- 1235US6070433ARecirculation of argon sidearm column for fast responseAIR PROD & CHEM·Filed 1999·Granted Jun 6, 2000·5 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →