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MAANSHAN HONGLI RUBBER PRODUCTS CO LTD

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    160,403
  • Filing trend
    0.0%
About

MAANSHAN HONGLI RUBBER PRODUCTS CO LTD has a total of 13 patent applications. It increased the IP activity by 0.0%. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets mechanical elements, machines and measurement are GEN CONNECTOR CORP, FORSHEDA GUMMIFABRIK AB and TEADIT N A INC.

Patent filings in countries

World map showing MAANSHAN HONGLI RUBBER PRODUCTS CO LTDs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

Chart showing MAANSHAN HONGLI RUBBER PRODUCTS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Huang Lianggen 7
#2 Chang Qinhui 5
#3 Gao Hong 4
#4 Liu Mingbao 4
#5 Gao Qiang 3
#6 Faxun Gao 2
#7 Hu Yong 2
#8 Wu Maonan 2
#9 Zhang Jian 2
#10 Gao Faxun 2

Latest patents

Publication Filing date Title
CN112082016A Anti-slip anti-drop rubber sealing ring, manufacturing method thereof and pipeline interface sealing device
CN111623188A Exhaust device applied to inner expansion ring for pipeline sealing and using method of exhaust device
CN110281449A A kind of ductile iron pipe STD type interface anti-avulsion sealing ring and its production method
CN109202804A A kind of quick disassembling fixture and method for dismounting of spheroidal graphite cast-iron interface tube
CN107289225A A kind of pipeline construction plugging device
CN105865560A Anti-freezing protective jacket of tap water flowmeter and application and manufacturing process thereof
CN105822867A Internal expansion type rubber sealing ring and application thereof
CN105864537A Novel flange seal washer
CN104760272A Steel-plastic composite pipe cutting end surface plastic seal device and application thereof
CN104194079A Composite seal ring and manufacturing process thereof
CN104260249A Production process and cooler of special ultralarge-diameter rubber sealing ring for PCCP (Prestressed Concrete Cylinder Pipe)
CN102384324A Sealing ring used for preventing disengagement of pipelines
CN101846186A Novel rotating shaft lip-shaped sealing ring and production process thereof