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EDWARD WALTER WOLFE KEENE

Overview
  • Total Patents
    12
About

EDWARD WALTER WOLFE KEENE has a total of 12 patent applications. Its first patent ever was published in 1921. It filed its patents most often in United Kingdom and Germany. Its main competitors in its focus markets chemical engineering and electrical machinery and energy are DRUZHBY NARODOV NI V, FOSHAN JINKAIDI FILTRATION EQUIPMENT CO LTD and ZAYAVITEL.

Patent filings in countries

World map showing EDWARD WALTER WOLFE KEENEs patent filings in countries
# Country Total Patents
#1 United Kingdom 11
#2 Germany 1

Patent filings per year

Chart showing EDWARD WALTER WOLFE KEENEs patent filings per year from 1900 to 2020

Focus technologies

# Technology
#1 Separation
#2 Cables and insulators

Latest patents

Publication Filing date Title
GB851851A Improvements in or relating to rotary filters
GB637790A Improvements in or relating to filtration apparatus
GB576542A Improvements in filters
GB519689A Improvements in or relating to rotary filters
GB472540A Improvements in or relating to filters
GB356806A Improvements in or relating to filters
GB326221A Improvements in filtering apparatus
GB261140A Improvements in filtering apparatus
GB220157A Improvements in filtering apparatus
GB218447A Improvements in filtering apparatus
GB179494A Improved filtering apparatus