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LIN PING WHA

Overview
  • Total Patents
    14
About

LIN PING WHA has a total of 14 patent applications. Its first patent ever was published in 1972. It filed its patents most often in United States, Canada and EPO (European Patent Office). Its main competitors in its focus markets chemical engineering, materials and metallurgy and environmental technology are LIAONING XINWEI ENV PROT TECH CO LTD, HANEDA ZENITH CO LTD and PASSAMAQUODDY TRIBE.

Patent filings in countries

World map showing LIN PING WHAs patent filings in countries
# Country Total Patents
#1 United States 8
#2 Canada 5
#3 EPO (European Patent Office) 1

Patent filings per year

Chart showing LIN PING WHAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lin Ping-Wha 14

Latest patents

Publication Filing date Title
US5084258A Lin flue gas SOx /NOx removal process and its by-product utilization
US4975257A Lin's flue gas desulfurization process according to reaction mechanism
US4756893A Utilization of sulphur dioxide for energy production
US4600570A Continuous controlled process for removing sulphur oxides gases from stack gases
US4470921A Process and pollution-treatment particulate material for effecting removal of sulfur oxide gases from stack gases
US4387078A Process for effecting removal of sulfur oxide gases from stack gases
US4054463A Process for producing cementitious product from quenched fly ash
CA1005285A Materials for water and wastewater treatment
CA989879A Calcium oxide particles coated with calcium sulfate
US3861930A Construction materials