The Hong Kong and China Gas Co Ltd - Company Profile
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View up-to-date information on The Hong Kong and China Gas Co Ltd patents, including inventor and filing insights.
Patent Trends
Publication Identifier | Document Type | Title | Classification-CPC | Publication Date |
---|---|---|---|---|
CN112113510B | Grant | 测定管状物体横截面的椭圆度的方法及其使用的参考设备 | G01B11/2408; G06T7/0002; G06T7/90 | June 14, 2022 |
CN107975652B | Grant | 管维修工具 | F16L55/175 | February 18, 2022 |
CN215813182U | Grant | 用于测试已安装的燃气热水器运行的测试仪 | February 11, 2022 | |
EP3919588A1 | Application | VERFAHREN UND SYSTEM ZUR HERSTELLUNG VON BRENNSTOFF UNTER VERWENDUNG VON BIOLOGISCHEM ÖL UND FETT MIT HOHEM SÄUREGEHALT | B01D3/009; B01D3/10; B01D3/143; B01J19/245; B01J2219/0004; B01J2219/00051; B01J2219/00162; B01J2219/00166; B01J3/006; B01J6/008; C10G2300/1003; C10G2300/1011; C10G2300/1014; C10G2300/202; C10G2300/207; C10G2300/301; C10G2300/302; C10G2300/308; C10G2300/4018; C10G2400/04; C10G3/40; C10G3/42; C10G3/49; C10G3/50; C10G7/06; C10L1/026; C10L1/08; C10L2200/0476; C10L2200/0484; C10L2290/02; C10L2290/543; Y02P30/20 | December 08, 2021 |
EP3722303A4 | Search Report | VORRICHTUNG ZUR KONTINUIERLICHEN HERSTELLUNG VON ZUCKER DURCH HYDROLYSE UNTER VERWENDUNG VON LIGNOCELLULOSISCHEM ROHMATERIAL | B01J19/0006; B01J2219/00033; B01J2219/00162; B01J4/007; C13K13/00; B01J4/001; D21C1/04; B01J19/20; C13K1/02; B01J19/0053; B01J3/00 | August 18, 2021 |
Top Inventors by Filings (Count by publication)
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