Yanchang Petroleum International Ltd - Company Profile

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Yanchang Petroleum International Ltd: Patents

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View up-to-date information on Yanchang Petroleum International Ltd patents, including inventor and filing insights.

Patent Trends

Publication Identifier Document Type Title Classification-CPC Publication Date
CN212422365U Grant Combined splicing type building decorative plate January 29, 2021
US10457962B2 Grant Methods of anaerobic digestion of biomass to produce biogas C12M21/04; C12M23/36; C12M23/52; C12M25/16; C12M29/00; C12M41/00; C12M41/28; C12M41/48; C12M45/02; C12M45/04; C12M45/06; C12P5/023; Y02E50/30 October 29, 2019
US10370681B2 Grant Methods of anaerobic digestion of biomass to produce biogas C12M21/04; C12M23/36; C12M23/52; C12M25/16; C12M29/00; C12M41/00; C12M41/28; C12M41/48; C12M45/02; C12M45/04; C12M45/06; C12P5/023; Y02E50/30 August 06, 2019
CN208358387U Grant Machine tool machining equipment damping device January 11, 2019
US9988647B2 Grant Methods of anaerobic digestion of biomass to produce biogas C12M21/04; C12M23/36; C12M23/52; C12M25/16; C12M29/00; C12M41/00; C12M41/28; C12M41/48; C12M45/02; C12M45/04; C12M45/06; C12P5/023; Y02E50/30 June 05, 2018
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Top Inventors by Filings (Count by publication)

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