Southwest Gas Corp - Company Profile

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Southwest Gas Corp: Patents

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View up-to-date information on Southwest Gas Corp patents, including inventor and filing insights.

Patent Trends

Publication Identifier Document Type Title Classification-CPC Publication Date
CA2660447C Grant GAS ENGINE DRIVEN HEAT PUMP SYSTEM WITH INTEGRATED HEAT RECOVERY AND ENERGY SAVING SUBSYSTEMS Y02B30/52; Y02A30/274; F25B13/00; F25B27/02; F25B2400/23; F25B2313/02741; F25B2313/02742; F25B2313/001; F25B2400/01; F25B2400/06; F25B47/006; F25B2313/023; F25B2327/001; F25B2313/025 July 09, 2013
AU2007286152B2 Grant Gas engine driven heat pump system with integrated heat recovery and energy saving subsystems Y02B30/52; Y02A30/274; F25B13/00; F25B2327/001; F25B27/02; F25B2313/023; F25B2313/02741; F25B2313/02742; F25B2313/001; F25B2400/01; F25B2400/06; F25B47/006; F25B2313/025; F25B2400/23 March 15, 2012
MX2009001576A Application GAS ENGINE DRIVEN HEAT PUMP SYSTEM WITH INTEGRATED HEAT RECOVERY AND ENERGY SAVING SUBSYSTEMS. F25B13/00; F25B27/02; F25B2313/025; F25B2313/023; F25B2313/02741; F25B2313/02742; F25B2327/001; Y02A30/274; F25B2400/23; Y02B30/52; F25B2313/001; F25B2400/01; F25B2400/06; F25B47/006 April 30, 2009
US7503184B2 Grant Gas engine driven heat pump system with integrated heat recovery and energy saving subsystems F25B13/00; F25B2313/001; F25B2313/023; F25B2313/025; F25B2313/02741; F25B2313/02742; F25B2327/001; F25B2400/01; F25B2400/06; F25B2400/23; F25B27/02; F25B47/006; Y02A30/274; Y02B30/52 March 17, 2009
WO2008021950A3 Application GAS ENGINE DRIVEN HEAT PUMP SYSTEM WITH INTEGRATED HEAT RECOVERY AND ENERGY SAVING SUBSYSTEMS F25B2327/001; F25B2313/02741; F25B2313/02742; F25B13/00; F25B2313/023; F25B2313/025; F25B27/02; F25B2400/23; F25B2313/001; F25B2400/01; F25B2400/06; F25B47/006; Y02B30/52; Y02A30/274 November 13, 2008
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Top Inventors by Filings (Count by publication)

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