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XU GUOHAN

Overview
  • Total Patents
    11
About

XU GUOHAN has a total of 11 patent applications. Its first patent ever was published in 1992. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are MATSUZAWA SHOJI, HUI YANG and NINGBO DEEPBLUE SMARTHOUSE CO LTD.

Patent filings in countries

World map showing XU GUOHANs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing XU GUOHANs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Xu Guohan 9
#2 Guohan Xu 2

Latest patents

Publication Filing date Title
CN1869565A Integral industrial electric furnace
CN1870403A Electronic transformer
CN1868653A Integral refractory and corrosion resistant long life digital display temperature regulating electric soldering iron
CN1869508A Quick energy-saving steam furnace
CN1837582A Low-temperature electricity-generating method and apparatus therefor
CN1667952A Minisize micro-heat control circuit
CN1322850A Liquid and steam protected antioxidant heat treatment method and equipment
CN1180981A Heat conductive thermo-resisting compound electric heated body and manufacturing method thereof
CN1155051A Quick steam generator
CN1142041A Electric-film refrigerator
CN1087877A Electrochemical descaling apparatus