DE

David M. Espie

Air Products And Chemicals: 9 patents #222 of 1,997Top 15%
📍 Lansdale, PA: #150 of 839 inventorsTop 20%
🗺 Pennsylvania: #9,221 of 74,527 inventorsTop 15%
Overall (All Time): #537,067 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
12314065 Method and system for controlling production and storage of industrial gases Zhong-Xiang (John) Zhu, Graeme Richard Wilson 2025-05-27
11994135 Method and apparatus for compressing a gas feed with a variable flow rate Gregory W. Henzler, Zhong-Xiang (John) Zhu, Graeme Richard Wilson 2024-05-28
11656612 Method and apparatus for managing industrial gas production Pratik Misra, Graeme Richard Wilson 2023-05-23
6073463 Operation of a cryogenic air separation unit which intermittently uses air feed as the repressurization gas for a two bed PSA system 2000-06-13
6070433 Recirculation of argon sidearm column for fast response Oliver Jacob Smith, IV 2000-06-06
6006546 Nitrogen purity control in the air separation unit of an IGCC power generation system 1999-12-28
5983668 Air separation unit feed flow control in an IGCC power generation system 1999-11-16
5968234 Temperature swing adsorption with regeneration by elevated pressure ASU nitrogen-enriched gas Dan Earl Midgett, II 1999-10-19
5224336 Process and system for controlling a cryogenic air separation unit during rapid changes in production Rakesh Agrawal, Declan Patrick O'Connor, Jorge Anibal Mandler, Arthur Ramsden Smith, Donald W. Woodward 1993-07-06